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Catarina Almqvist Malmros

Professor/senior physician

About me

Current position and commissions of trust

  • Professor in Clinical Epidemiology, KI
  • Consultant Pediatrician, Astrid Lindgren Children's Hospital
  • Member of Executive committee MEB, KI

Education

  • 1993 MD Karolinska Institutet; Board certified physician 1995
  • 2002 PhD Pediatrics, Karolinska Institutet
  • 2005-2007 Post-Doc Woolcock Inst of Medical Research, Sydney, Australia
  • 2008 Board certificated Specialist in Pediatrics
  • 2010 Associate Professor, Karolinska Institutet

Research description

The major theme of my research has been in assessing early risks and consequences for asthma and other diseases in childhood and adolescence, as well as co-morbidity between disease groups. It also includes the effects of growth such as fetal programming and pubertal changes on asthma. The research is focused towards combining register-based information with experimental and clinical data, using advanced family and twin design.

Research projects

Five selected publications

25432937

Fall T, Lundholm C, Örtqvist AK, Fall K, Fang F, Hedhammar A, Kämpe O, Ingelsson E, Almqvist C. Early Exposure to Dogs and Farm Animals and the Risk of Childhood Asthma. JAMA Pediatr. 2015;169(11):e153219.

Heritability and confirmation of genetic association studies for childhood asthma in twins.
Ullemar V, Magnusson P, Lundholm C, Zettergren A, Melén E, Lichtenstein P, et al
Allergy 2016 Feb;71(2):230-8

Adverse Pregnancy Outcomes in Asthmatic Women: A Population-Based Family Design Study.
Rejnö G, Lundholm C, Larsson K, Larsson H, Lichtenstein P, D'Onofrio B, et al
J Allergy Clin Immunol Pract 2017 Sep;():

Longitudinal depression or anxiety in mothers and offspring asthma: a Swedish population-based study.
Brew B, Lundholm C, Viktorin A, Lichtenstein P, Larsson H, Almqvist C
Int J Epidemiol 2017 Sep;():

Current postdocs

Current doctoral students

Previous postdocs

Previous doctoral students

Funding

  • Swedish Research Council
  • Swedish Heart Lung Foundation
  • Swedish Asthma and Allergy Association’s Research Foundation
  • Grants provided by the Stockholm County Council (ALF projects)
  • FORTE
  • KID and CSTP funding for doctoral students
  • H.K.H. Kronprinsessan Lovisas förening för barnsjukvård
  • Åke Wibergs stiftelse, Stiftelsen Frimurare Barnahuset Stockholm, Sällskapet Barnavård

Teaching portfolio

Supervisor of 12 exjobb students in the medical program

Academic honours, awards and prizes

  • 2004 “Rookie of the year” from the Stockholm Association for Allergology
  • 2007 European Respiratory Society’s Pediatric Respiratory Epidemiology Award for Young Investigators
  • 2010 European Respiratory Society’s Romain Pauwel Young Investigator Award
  • 2010 Young Scholar Award from the Strategic Research Program in Epidemiology, KI
  • 2011 Karolinska Institutet KI fonder and Board of Research Young Investigator Award in Public Health and international health

Links

Publications

Adverse Pregnancy Outcomes in Asthmatic Women: A Population-Based Family Design Study
Rejnö G, Lundholm C, Larsson K, Larsson H, Lichtenstein P, D'onofrio Bm, et al
The journal of allergy and clinical immunology. In practice 2017;():-

A Family-Based Study of the Association Between Labor Induction and Offspring Attention-Deficit Hyperactivity Disorder and Low Academic Achievement
Wiggs Kk, Rickert Me, Hernandez-diaz S, Bateman Bt, Almqvist C, Larsson H, et al
Behavior genetics 2017;47(4):383-393

Are carriers of CYP21A2 mutations less vulnerable to psychological stress? A population-based national cohort study
Nordenström A, Butwicka A, Lindén Hirschberg A, Almqvist C, Nordenskjöld A, Falhammar H, et al
Clinical endocrinology 2017;86(3):317-324

Association Between Maternal Smoking During Pregnancy and Severe Mental Illness in Offspring
Quinn Pd, Rickert Me, Weibull Ce, Johansson Alv, Lichtenstein P, Almqvist C, et al
JAMA psychiatry 2017;74(6):589-596

Association Between Medication Use and Performance on Higher Education Entrance Tests in Individuals With Attention-Deficit/Hyperactivity Disorder
Lu Y, Sjölander A, Cederlöf M, D'onofrio Bm, Almqvist C, Larsson H, et al
JAMA psychiatry 2017;74(8):815-822

Associations Between Asthma and Sensitization to Pet or Pollen Allergens in Young Swedish Twins - The STOPPA Study
Lindemalm C, Nordlund B, Örtqvist Ak, Lundholm C, Van Hage M, Gong T, et al
Twin research and human genetics : the official journal of the International Society for Twin Studies 2017;20(5):380-388

Associations of Maternal Antidepressant Use During the First Trimester of Pregnancy With Preterm Birth, Small for Gestational Age, Autism Spectrum Disorder, and Attention-Deficit/Hyperactivity Disorder in Offspring
Sujan Ac, Rickert Me, Öberg As, Quinn Pd, Hernández-díaz S, Almqvist C, et al
JAMA 2017;317(15):1553-1562

Associations of Maternal Antidepressant Use During the First Trimester of Pregnancy With Preterm Birth, Small for Gestational Age, Autism Spectrum Disorder, and Attention-Deficit/Hyperactivity Disorder in Offspring
Sujan Ac, Rickert Me, Oberg As, Quinn Pd, Hernandez-diaz S, Almqvist C, et al
OBSTETRICAL & GYNECOLOGICAL SURVEY 2017;72(9):523-524

Celiac Disease Is Associated with Childhood Psychiatric Disorders: A Population-Based Study
Butwicka A, Lichtenstein P, Frisén L, Almqvist C, Larsson H, Ludvigsson Jf
The Journal of pediatrics 2017;184():87-93.e1

Cohort Profile: Pregnancy And Childhood Epigenetics (PACE) Consortium
Felix Jf, Joubert Br, Baccarelli Aa, Sharp Gc, Almqvist C, Annesi-maesano I, et al
International journal of epidemiology 2017;():-

Dog Exposure During the First Year of Life and Type 1 Diabetes in Childhood
Wernroth Ml, Svennblad B, Fall K, Fang F, Almqvist C, Fall T
JAMA pediatrics 2017;171(7):663-669

Education in Twins and Their Parents Across Birth Cohorts Over 100 years: An Individual-Level Pooled Analysis of 42-Twin Cohorts
Silventoinen K, Jelenkovic A, Latvala A, Sund R, Yokoyama Y, Ullemar V, et al
Twin research and human genetics : the official journal of the International Society for Twin Studies 2017;20(5):395-405

Familial Liability to Epilepsy and Attention-Deficit/Hyperactivity Disorder: A Nationwide Cohort Study
Brikell I, Ghirardi L, D'onofrio Bm, Dunn Dw, Almqvist C, Dalsgaard S, et al
Biological psychiatry 2017;():-

Fetal Growth and Childhood Lung Function in the Swedish Twin Study on Prediction and Prevention of Asthma
Örtqvist Ak, Ullemar V, Lundholm C, Kuja-halkola R, Magnusson Pke, Lichtenstein P, et al
Annals of the American Thoracic Society 2017;14(7):1147-1153

Impact of childhood asthma on growth trajectories in early adolescence: Findings from the Childhood Asthma Prevention Study (CAPS)
Movin M, Garden Fl, Protudjer Jl, Ullemar V, Svensdotter F, Andersson D, et al
Respirology (Carlton, Vic.) 2017;22(3):460-465

Increased Risk for Substance Use-Related Problems in Autism Spectrum Disorders: A Population-Based Cohort Study
Butwicka A, Långström N, Larsson H, Lundström S, Serlachius E, Almqvist C, et al
Journal of autism and developmental disorders 2017;47(1):80-89

Maternal depressive symptoms, maternal asthma, and asthma in school-aged children
Medsker Bh, Brew Bk, Forno E, Olsson H, Lundholm C, Han Yy, et al
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology 2017;118(1):55-60.e1

Neurodegenerative and psychiatric diseases among families with amyotrophic lateral sclerosis
Longinetti E, Mariosa D, Larsson H, Ye W, Ingre C, Almqvist C, et al
Neurology 2017;89(6):578-585

Older fathers' children have lower evolutionary fitness across four centuries and in four populations
Arslan Rc, Willführ Kp, Frans Em, Verweij Kjh, Bürkner Pc, Myrskylä M, et al
Proceedings. Biological sciences 2017;284(1862):-

Parental antibiotics and childhood asthma-a population-based study
Örtqvist Ak, Lundholm C, Fang F, Fall T, Almqvist C
The journal of allergy and clinical immunology. In practice 2017;5(5):1451-1454.e4

Paternal age at childbirth and eating disorders in offspring
Javaras Kn, Rickert Me, Thornton Lm, Peat Cm, Baker Jh, Birgegård A, et al
Psychological medicine 2017;47(3):576-584

Perinatal Exposure to Traffic-Related Air Pollution and Autism Spectrum Disorders
Gong T, Dalman C, Wicks S, Dal H, Magnusson C, Lundholm C, et al
Environmental health perspectives 2017;125(1):119-126

Perinatal risk factors in Tourette's and chronic tic disorders: a total population sibling comparison study
Brander G, Rydell M, Kuja-halkola R, Fernández De La Cruz L, Lichtenstein P, Serlachius E, et al
Molecular psychiatry 2017;():-

Physical and cognitive fitness in young adulthood and risk of amyotrophic lateral sclerosis at an early age
Longinetti E, Mariosa D, Larsson H, Almqvist C, Lichtenstein P, Ye W, et al
European journal of neurology 2017;24(1):137-142

Psychosocial outcomes in adult men born with hypospadias: A register-based study
Skarin Nordenvall A, Norrby C, Butwicka A, Frisén L, Nordenström A, Almqvist C, et al
PloS one 2017;12(4):e0174923-

Reduced Frequency of Biological and Increased Frequency of Adopted Children in Males With 21-Hydroxylase Deficiency: A Swedish Population-Based National Cohort Study
Falhammar H, Frisén L, Norrby C, Almqvist C, Hirschberg Al, Nordenskjöld A, et al
The Journal of clinical endocrinology and metabolism 2017;102(11):4191-4199

Risk of being convicted of theft and other crimes in anorexia nervosa and bulimia nervosa: A prospective cohort study in a Swedish female population
Yao S, Kuja-halkola R, Thornton Lm, Norring C, Almqvist C, D'onofrio Bm, et al
The International journal of eating disorders 2017;50(9):1095-1103

Risk of eating disorders in immigrant populations
Mustelin L, Hedman Am, Thornton Lm, Kuja-halkola R, Keski-rahkonen A, Cantor-graae E, et al
Acta psychiatrica Scandinavica 2017;136(2):156-165

Shared familial risk factors between attention-deficit/hyperactivity disorder and overweight/obesity - a population-based familial coaggregation study in Sweden
Chen Q, Kuja-halkola R, Sjölander A, Serlachius E, Cortese S, Faraone Sv, et al
Journal of child psychology and psychiatry, and allied disciplines 2017;58(6):711-718

Similar familial risk in multiple sclerosis subgroups
Song J, Karrenbauer V, Manouchehrinia A, Almqvist C, Hillert J, Westerlind H
Multiple sclerosis (Houndmills, Basingstoke, England) 2017;23(13):1782-1785

The Risk of Treatment-Emergent Mania With Methylphenidate in Bipolar Disorder
Viktorin A, Rydén E, Thase Me, Chang Z, Lundholm C, D'onofrio Bm, et al
The American journal of psychiatry 2017;174(4):341-348

The sex-shift in single disease and multimorbid asthma and rhinitis during puberty - a study by MeDALL
Keller T, Hohmann C, Standl M, Wijga Ah, Gehring U, Melén E, et al
Allergy 2017;():-

The STOPPA Twin Study Explains the Exhaled Nitric Oxide and Asthma Link by Genetics and Sensitization
Nordlund B, Lundholm C, Ullemar V, Van Hage M, Örtqvist Ak, Almqvist C
Twin research and human genetics : the official journal of the International Society for Twin Studies 2017;20(4):330-337

Towards non-conventional methods of designing register-based epidemiological studies: An application to pediatric research
Gong T, Brew B, Sjölander A, Almqvist C
Scandinavian journal of public health 2017;45(17_suppl):30-35

Using fathers as a negative control exposure to test the Developmental Origins of Health and Disease Hypothesis: A case study on maternal distress and offspring asthma using Swedish register data
Brew Bk, Gong T, Williams Dm, Larsson H, Almqvist C
Scandinavian journal of public health 2017;45(17_suppl):36-40

A Genetically Informed Study of the Associations Between Maternal Age at Childbearing and Adverse Perinatal Outcomes
Sujan Ac, Rickert Me, Class Qa, Coyne Ca, Lichtenstein P, Almqvist C, et al
Behavior genetics 2016;46(3):431-56

Air Pollution Exposure during Pregnancy and Childhood Autistic Traits in Four European Population-Based Cohort Studies: The ESCAPE Project
Guxens M, Ghassabian A, Gong T, Garcia-esteban R, Porta D, Giorgis-allemand L, et al
Environmental health perspectives 2016;124(1):133-40

Antibiotic Treatment and Length of Hospital Stay in Relation to Delivery Mode and Prematurity
Ahlén Km, Örtqvist Ak, Gong T, Wallas A, Ye W, Lundholm C, et al
PloS one 2016;11(10):e0164126-

Association of Labor Induction With Offspring Risk of Autism Spectrum Disorders
Oberg As, D'onofrio Bm, Rickert Me, Hernandez-diaz S, Ecker Jl, Almqvist C, et al
JAMA pediatrics 2016;170(9):e160965-

Association of Perinatal Risk Factors With Obsessive-Compulsive Disorder: A Population-Based Birth Cohort, Sibling Control Study
Brander G, Rydell M, Kuja-halkola R, Fernández De La Cruz L, Lichtenstein P, Serlachius E, et al
JAMA psychiatry 2016;73(11):1135-1144

Association of Resting Heart Rate and Blood Pressure in Late Adolescence With Subsequent Mental Disorders: A Longitudinal Population Study of More Than 1 Million Men in Sweden
Latvala A, Kuja-halkola R, Rück C, D'onofrio Bm, Jernberg T, Almqvist C, et al
JAMA psychiatry 2016;73(12):1268-1275

Autism and epilepsy: A population-based nationwide cohort study
Sundelin He, Larsson H, Lichtenstein P, Almqvist C, Hultman Cm, Tomson T, et al
Neurology 2016;87(2):192-7

Depression or anxiety in adult twins is associated with asthma diagnosis but not with offspring asthma
Tedner Sg, Lundholm C, Olsson H, Almqvist C
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2016;46(6):803-12

Factors Associated With Adherence to Methylphenidate Treatment in Adult Patients With Attention-Deficit/Hyperactivity Disorder and Substance Use Disorders
Skoglund C, Brandt L, Almqvist C, Dʼonofrio Bm, Konstenius M, Franck J, et al
Journal of clinical psychopharmacology 2016;36(3):222-8

Familial Liability for Eating Disorders and Suicide Attempts: Evidence From a Population Registry in Sweden
Yao S, Kuja-halkola R, Thornton Lm, Runfola Cd, D'onofrio Bm, Almqvist C, et al
JAMA psychiatry 2016;73(3):284-91

Heritability and confirmation of genetic association studies for childhood asthma in twins
Ullemar V, Magnusson Pk, Lundholm C, Zettergren A, Melén E, Lichtenstein P, et al
Allergy 2016;71(2):230-8

Hypospadias as a novel feature in spinal bulbar muscle atrophy
Nordenvall As, Paucar M, Almqvist C, Nordenström A, Frisén L, Nordenskjöld A
Journal of neurology 2016;263(4):703-6

Medicine use and disease control among adolescents with asthma
Dahlén E, Wettermark B, Bergström A, Jonsson Ew, Almqvist C, Kull I
European journal of clinical pharmacology 2016;72(3):339-47

Mental illness and suicide after self-harm among young adults: long-term follow-up of self-harm patients, admitted to hospital care, in a national cohort
Beckman K, Mittendorfer-rutz E, Lichtenstein P, Larsson H, Almqvist C, Runeson B, et al
Psychological medicine 2016;46(16):3397-3405

Nationwide population-based cohort study of psychiatric disorders in individuals with Ehlers-Danlos syndrome or hypermobility syndrome and their siblings
Cederlöf M, Larsson H, Lichtenstein P, Almqvist C, Serlachius E, Ludvigsson Jf
BMC psychiatry 2016;16():207-

No association between macrolide treatment in infancy and later pyloric stenosis in Sweden
Ludvigsson Jf, Lundholm C, Örtqvist Ak, Almqvist C
European journal of epidemiology 2016;31(3):331-2

Patterns of Nonrandom Mating Within and Across 11 Major Psychiatric Disorders
Nordsletten Ae, Larsson H, Crowley Jj, Almqvist C, Lichtenstein P, Mataix-cols D
JAMA psychiatry 2016;73(4):354-61

Registers of the Swedish total population and their use in medical research
Ludvigsson Jf, Almqvist C, Bonamy Ak, Ljung R, Michaëlsson K, Neovius M, et al
European journal of epidemiology 2016;31(2):125-36

Selective serotonin re-uptake inhibitor use during pregnancy: association with offspring birth size and gestational age
Viktorin A, Lichtenstein P, Lundholm C, Almqvist C, D'onofrio Bm, Larsson H, et al
International journal of epidemiology 2016;45(1):170-7

Sibship and risk of asthma in a total population: A disease comparative approach
Almqvist C, Olsson H, Fall T, Lundholm C
The Journal of allergy and clinical immunology 2016;138(4):1219-1222.e3

The association between childhood relocations and subsequent risk of suicide attempt, psychiatric problems, and low academic achievement
Bramson Lm, Rickert Me, Class Qa, Sariaslan A, Almqvist C, Larsson H, et al
Psychological medicine 2016;46(5):969-79

Translational Epidemiologic Approaches to Understanding the Consequences of Early-Life Exposures
D'onofrio Bm, Class Qa, Rickert Me, Sujan Ac, Larsson H, Kuja-halkola R, et al
Behavior genetics 2016;46(3):315-28

A Longitudinal Study of Resting Heart Rate and Violent Criminality in More Than 700 000 Men
Latvala A, Kuja-halkola R, Almqvist C, Larsson H, Lichtenstein P
JAMA psychiatry 2015;72(10):971-8

Association between parental age and asthma in a population-based register study
Almqvist C, Olsson H, Ullemar V, D'onofrio Bm, Frans E, Lundholm C
The Journal of allergy and clinical immunology 2015;136(4):1103-5.e2

Asthma and height in twins: a cohort and within-pair analyses study
Protudjer Jl, Lundholm C, Almqvist C
Twin research and human genetics : the official journal of the International Society for Twin Studies 2015;18(2):142-50

Birth weight as an independent predictor of ADHD symptoms: a within-twin pair analysis
Pettersson E, Sjölander A, Almqvist C, Anckarsäter H, D'onofrio Bm, Lichtenstein P, et al
Journal of child psychology and psychiatry, and allied disciplines 2015;56(4):453-9

Childhood injury after a parental cancer diagnosis
Chen R, Regodón Wallin A, Sjölander A, Valdimarsdóttir U, Ye W, Tiemeier H, et al
eLife 2015;4():-

Cohort Profile: Swedish Twin Study on Prediction and Prevention of Asthma (STOPPA)
Almqvist C, Örtqvist Ak, Ullemar V, Lundholm C, Lichtenstein P, Magnusson Pk
Twin research and human genetics : the official journal of the International Society for Twin Studies 2015;18(3):273-80

Early Exposure to Dogs and Farm Animals and the Risk of Childhood Asthma
Fall T, Lundholm C, Örtqvist Ak, Fall K, Fang F, Hedhammar Å, et al
JAMA pediatrics 2015;169(11):e153219-

Gestational Age and Birth Weight and the Risk of Childhood Type 1 Diabetes: A Population-Based Cohort and Sibling Design Study
Khashan As, Kenny Lc, Lundholm C, Kearney Pm, Gong T, Mcnamee R, et al
Diabetes care 2015;38(12):2308-15

Impact of asthma medication and familial factors on the association between childhood asthma and attention-deficit/hyperactivity disorder: a combined twin- and register-based study: Epidemiology of Allergic Disease
Holmberg K, Lundholm C, Anckarsäter H, Larsson H, Almqvist C
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2015;45(5):964-973

Increased Cardiovascular and Metabolic Morbidity in Patients With 21-Hydroxylase Deficiency: A Swedish Population-Based National Cohort Study
Falhammar H, Frisén L, Hirschberg Al, Norrby C, Almqvist C, Nordenskjöld A, et al
The Journal of clinical endocrinology and metabolism 2015;100(9):3520-8

Individual maternal and child exposure to antibiotics in hospital - a national population-based validation study
Almqvist C, Örtqvist Ak, Gong T, Wallas A, Ahlén Km, Ye W, et al
Acta paediatrica (Oslo, Norway : 1992) 2015;104(4):392-5

Intellectual disability and cognitive ability in Darier disease: Swedish nation-wide study
Cederlöf M, Karlsson R, Larsson H, Almqvist C, Magnusson Pk, Nordlind K, et al
The British journal of dermatology 2015;173(1):155-8

Maternal body mass index in early pregnancy and offspring asthma, rhinitis and eczema up to 16 years of age
Ekström S, Magnusson J, Kull I, Lind T, Almqvist C, Melén E, et al
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2015;45(1):283-91

Omega-3 supplementation during the first 5 years of life and later academic performance: a randomised controlled trial
Brew Bk, Toelle Bg, Webb Kl, Almqvist C, Marks Gb, Caps Investigators
European journal of clinical nutrition 2015;69(4):419-24

Parental cancer diagnosis and child mortality--a population-based cohort study in Sweden
Chen R, Sjölander A, Valdimarsdóttir U, Varnum C, Almqvist C, Ye W, et al
Cancer epidemiology 2015;39(1):79-85

Population-based data on asthma and allergic disease call for advanced epidemiologic methods
Almqvist C, Lundholm C
The Journal of allergy and clinical immunology 2015;136(3):656-7

Predictors of adolescents' consent to use health records for research and results from data collection in a Swedish twin cohort
Ullemar V, Lundholm C, Örtqvist Ak, Gumpert Ch, Anckarsäter H, Lundström S, et al
Twin research and human genetics : the official journal of the International Society for Twin Studies 2015;18(3):256-65

Risks of psychiatric disorders and suicide attempts in children and adolescents with type 1 diabetes: a population-based cohort study
Butwicka A, Frisén L, Almqvist C, Zethelius B, Lichtenstein P
Diabetes care 2015;38(3):453-9

The influence of childhood asthma on puberty and height in Swedish adolescents
Protudjer Jlp, Lundholm C, Bergstrom A, Kull I, Almqvist C
PEDIATRIC ALLERGY AND IMMUNOLOGY 2015;26(5):474-81

Twins' risk of childhood asthma mediated by gestational age and birthweight
Ullemar V, Lundholm C, Almqvist C
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2015;45(8):1328-36

Antibiotics in fetal and early life and subsequent childhood asthma: nationwide population based study with sibling analysis
Örtqvist Ak, Lundholm C, Kieler H, Ludvigsson Jf, Fall T, Ye W, et al
BMJ (Clinical research ed.) 2014;349():g6979-

Asthma during pregnancy in a population-based study--pregnancy complications and adverse perinatal outcomes
Rejnö G, Lundholm C, Gong T, Larsson K, Saltvedt S, Almqvist C
PloS one 2014;9(8):e104755-

Breastfeeding and snoring: a birth cohort study
Brew Bk, Marks Gb, Almqvist C, Cistulli Pa, Webb K, Marshall Ns
PloS one 2014;9(1):e84956-

Exposure to air pollution from traffic and neurodevelopmental disorders in Swedish twins
Gong T, Almqvist C, Bölte S, Lichtenstein P, Anckarsäter H, Lind T, et al
Twin research and human genetics : the official journal of the International Society for Twin Studies 2014;17(6):553-62

Factors associated with concordance between parental-reported use and dispensed asthma drugs in adolescents: findings from the BAMSE birth cohort
Dahlén E, Almqvist C, Bergström A, Wettermark B, Kull I
Pharmacoepidemiology and drug safety 2014;23(9):942-9

Genetic contribution to postpartum haemorrhage in Swedish population: cohort study of 466,686 births
Oberg As, Hernandéz-diaź S, Frisell T, Greene Mf, Almqvist C, Bateman Bt
BMJ (Clinical research ed.) 2014;349():g4984-

Increased mortality in patients with congenital adrenal hyperplasia due to 21-hydroxylase deficiency
Falhammar H, Frisén L, Norrby C, Hirschberg Al, Almqvist C, Nordenskjöld A, et al
The Journal of clinical endocrinology and metabolism 2014;99(12):E2715-21

Maternal age at childbirth and risk for ADHD in offspring: a population-based cohort study
Chang Z, Lichtenstein P, D'onofrio Bm, Almqvist C, Kuja-halkola R, Sjölander A, et al
International journal of epidemiology 2014;43(6):1815-24

Maternal diabetes in pregnancy and offspring cognitive ability: sibling study with 723,775 men from 579,857 families
Fraser A, Almqvist C, Larsson H, Långström N, Lawlor Da
Diabetologia 2014;57(1):102-9

Mode of obstetrical delivery and type 1 diabetes: a sibling design study
Khashan As, Kenny Lc, Lundholm C, Kearney Pm, Gong T, Almqvist C
Pediatrics 2014;134(3):e806-13

New data identify an increasing sex ratio of multiple sclerosis in Sweden
Westerlind H, Boström I, Stawiarz L, Landtblom Am, Almqvist C, Hillert J
Multiple sclerosis (Houndmills, Basingstoke, England) 2014;20(12):1578-83

Parental socioeconomic status, childhood asthma and medication use--a population-based study
Gong T, Lundholm C, Rejnö G, Mood C, Långström N, Almqvist C
PloS one 2014;9(9):e106579-

Paternal age at childbearing and offspring psychiatric and academic morbidity
D'onofrio Bm, Rickert Me, Frans E, Kuja-halkola R, Almqvist C, Sjölander A, et al
JAMA psychiatry 2014;71(4):432-8

Patterns of recurrence of postpartum hemorrhage in a large population-based cohort
Oberg As, Hernandez-diaz S, Palmsten K, Almqvist C, Bateman Bt
American journal of obstetrics and gynecology 2014;210(3):229.e1-8

Puberty and asthma in a cohort of Swedish children
Protudjer Jl, Lundholm C, Bergström A, Kull I, Almqvist C
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology 2014;112(1):78-9

The association between caesarean section and asthma or allergic disease continues to challenge
Almqvist C, Oberg As
Acta paediatrica (Oslo, Norway : 1992) 2014;103(4):349-51

Birth mode of delivery in the modern delivery ward - indication improves understanding of childhood asthma
Almqvist C, Rejnö G
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2013;43(3):264-7

Cat and house dust mite allergen content is stable in frozen dust over time
Merritt As, Andersson N, Almqvist C
Environmental science & technology 2013;47(8):3796-9

Development of atopic disease and disturbed sleep in childhood and adolescence--a longitudinal population-based study
Jernelöv S, Lekander M, Almqvist C, Axelsson J, Larsson H
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2013;43(5):552-9

Outcomes of the childhood asthma prevention study at 11.5 years
Toelle Bg, Garden Fl, Ng Kk, Belousova Eg, Almqvist C, Cowell Ct, et al
The Journal of allergy and clinical immunology 2013;132(5):1220-1222.e3

The observed association between maternal anxiety and adolescent asthma: children of twin design suggest familial effects
Havland I, Lundholm C, Lichtenstein P, Neiderhiser Jm, Ganiban Jm, Spotts El, et al
PloS one 2013;8(6):e66040-

The Swedish Twin Registry: establishment of a biobank and other recent developments
Magnusson Pk, Almqvist C, Rahman I, Ganna A, Viktorin A, Walum H, et al
Twin research and human genetics : the official journal of the International Society for Twin Studies 2013;16(1):317-29

Validation of asthma and eczema in population-based Swedish drug and patient registers
Örtqvist Ak, Lundholm C, Wettermark B, Ludvigsson Jf, Ye W, Almqvist C
Pharmacoepidemiology and drug safety 2013;22(8):850-60

Analysis of 1:1 Matched Cohort Studies and Twin Studies, with Binary Exposures and Binary Outcomes
Sjolander A, Johansson Alv, Lundholm C, Altman D, Almqvist C, Pawitan Y
STATISTICAL SCIENCE 2012;27(3):395-411

Antibiotics and asthma medication in a large register-based cohort study - confounding, cause and effect
Almqvist C, Wettermark B, Hedlin G, Ye W, Lundholm C
CLINICAL AND EXPERIMENTAL ALLERGY 2012;42(1):104-11

Breastfeeding, asthma, and allergy: a tale of two cities
Brew Bk, Kull I, Garden F, Almqvist C, Bergstrom A, Lind T, et al
PEDIATRIC ALLERGY AND IMMUNOLOGY 2012;23(1):75-82

Development and comorbidity of eczema, asthma and rhinitis to age 12-data from the BAMSE birth cohort
Ballardini N, Kull I, Lind T, Hallner E, Almqvist C, Ostblom E, et al
ALLERGY 2012;67(4):537-44

Fetal growth and risk of childhood asthma and allergic disease
Tedner Sg, Örtqvist Ak, Almqvist C
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2012;42(10):1430-47

The impact of birth mode of delivery on childhood asthma and allergic diseases--a sibling study
Almqvist C, Cnattingius S, Lichtenstein P, Lundholm C
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology 2012;42(9):1369-76

Association between childhood asthma and ADHD symptoms in adolescence - a prospective population-based twin study
Mogensen N, Larsson H, Lundholm C, Almqvist C
ALLERGY 2011;66(9):1224-30

Celiac disease confers a 1.6-fold increased risk of asthma: A nationwide population-based cohort study
Ludvigsson Jf, Hemminki K, Wahlstrom J, Almqvist C
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2011;127(4):1071-3

Infant and early childhood dietary predictors of overweight at age 8 years in the CAPS population
Garden Fl, Marks Gb, Almqvist C, Simpson Jm, Webb Kl
EUROPEAN JOURNAL OF CLINICAL NUTRITION 2011;65(4):454-62

LifeGene-a large prospective population-based study of global relevance
Almqvist C, Adami Ho, Franks Pw, Groop L, Ingelsson E, Kere J, et al
EUROPEAN JOURNAL OF EPIDEMIOLOGY 2011;26(1):67-77

Maternal Bereavement and Childhood Asthma-Analyses in Two Large Samples of Swedish Children
Fang F, Hoglund Co, Arck P, Lundholm C, Langstrom N, Lichtenstein P, et al
PLOS ONE 2011;6(11):e27202-

Viruses and bacteria in acute asthma exacerbations - A GA2LEN-DARE* systematic review
Papadopoulos Ng, Christodoulou I, Rohde G, Agache I, Almqvist C, Bruno A, et al
ALLERGY 2011;66(4):458-68

Cat sensitization identified by recombinant Fel d 1 several years before symptoms - results from the bamse cohort
Saarne T, Gronlund H, Kull I, Almqvist C, Wickman M, Van Hage M
PEDIATRIC ALLERGY AND IMMUNOLOGY 2010;21(2):277-83

Effects of early cat or dog ownership on sensitisation and asthma in a high-risk cohort without disease-related modification of exposure
Caps Investigators, Almqvist C, Garden F, Kemp As, Li Q, Crisafulli D, et al
PAEDIATRIC AND PERINATAL EPIDEMIOLOGY 2010;24(2):171-8

Eight-year outcomes of the Childhood Asthma Prevention Study
Childhood Asthma Prevention Team, Toelle Bg, Ng Kkw, Crisafulli D, Belousova Eg, Almqvist C, et al
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2010;126(2):388-9

Impaired fetal growth decreases the risk of childhood atopic eczema: a Swedish twin study
Lundholm C, Ortqvist Ak, Lichtenstein P, Cnattingius S, Almqvist C
CLINICAL AND EXPERIMENTAL ALLERGY 2010;40(7):1044-53

Developments in the field of allergy in 2008 through the eyes of Clinical & Experimental Allergy
Almqvist C, Bradding Pb, Chakir J, Ebo D, Grattan C, Kariyawasam Hh, et al
CLINICAL AND EXPERIMENTAL ALLERGY 2009;39(10):1482-98

Dietary supplementation with n-3 polyunsaturated fatty acids in early childhood: effects on blood pressure and arterial structure and function at age 8 y
Ayer Jg, Harmer Ja, Xuan W, Toelle B, Webb K, Almqvist C, et al
AMERICAN JOURNAL OF CLINICAL NUTRITION 2009;90(2):438-46

Familial Factors Do not Confound the Association Between Birth Weight and Childhood Asthma
Ortqvist Ak, Lundholm C, Carlstrom E, Lichtenstein P, Cnattingius S, Almqvist C
PEDIATRICS 2009;124(4):e737-43

Fetal growth and birth weight and the risk of atopic eczema and hay fever in childhood
Lundholm C, Ortqvist A, Lichtenstein P, Cnattingius S, Almqvist C
ALLERGY 2009;:92-92

Risk factors of adverse reactions to food in German adults
Soost S, Leynaert B, Almqvist C, Edenharter G, Zuberbier T, Worm M
CLINICAL AND EXPERIMENTAL ALLERGY 2009;39(7):1036-44

Sex-specific differences in allergic sensitization to house dust mites: a meta-analysis
Goldhahn K, Bockelbrink A, Nocon M, Almqvist C, Dunngalvin A, Willich Sn, et al
ANNALS OF ALLERGY ASTHMA & IMMUNOLOGY 2009;102(6):487-94

Adherence to allergy prevention recommendations in children with a family history of asthma
Caps Team, Mihrshahi S, Webb K, Almqvist C, Kemp As
PEDIATRIC ALLERGY AND IMMUNOLOGY 2008;19(4):355-62

Domestic cat allergen and allergic sensitisation in young children
Chen Cm, Gehring U, Wickman M, Hoek G, Giovannangelo M, Nordling E, et al
INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH 2008;211(3-4):337-44

Effect of omega 3 and omega 6 fatty acid intakes from diet and supplements on plasma fatty acid levels in the first 3 years of life
Hoyos C, Almqvist C, Garden F, Xuan W, Oddy Wh, Marks Gb, et al
ASIA PACIFIC JOURNAL OF CLINICAL NUTRITION 2008;17(4):552-7

Impact of gender on asthma in childhood and adolescence: a GA(2)LEN review
Working Grp Ga2 Len Wp 25 'gender', Almqvist C, Worm M, Leynaert B
ALLERGY 2008;63(1):47-57

Nonlinear relationship of mite allergen exposure to mite sensitization and asthma in a birth cohort
Tovey Er, Almqvist C, Li Q, Crisafulli D, Marks Gb
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2008;122(1):114-8

Symptoms to pollen and fruits early in life and allergic disease at 4 years of age
Mai Xm, Neuman A, Ostblom E, Pershagen G, Nordvall L, Almqvist C, et al
ALLERGY 2008;63(11):1499-504

Birth anthropometric measures, body mass index and allergic diseases in a birth cohort study (BAMSE)
Mai Xm, Almqvist C, Nilsson L, Wickman M
ARCHIVES OF DISEASE IN CHILDHOOD 2007;92(10):881-6

Do immune responses to inhaled skin flakes modulate the expression of allergic disease?
Tovey Er, Kemp As, Almqvist C, Sharland A, Marks Gb
CLINICAL AND EXPERIMENTAL ALLERGY 2007;37(8):1199-203

Early predictors for developing allergic disease and asthma: examining separate steps in the 'allergic march'
Caps Team, Almqvist C, Li Q, Britton Wj, Kemp As, Xuan W, et al
CLINICAL AND EXPERIMENTAL ALLERGY 2007;37(9):1296-302

IL-5 T-cell responses to house dust mite are associated with the development of allergen-specific IgE responses and asthma in the first 5 years of life
Childhood Asthma Prevention Study, Weber-chrysochoou C, Crisafulli D, Almqvist C, Li Q, Kemp As, et al
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2007;120(2):286-92

Omega-3 and omega-6 fatty acid exposure from early life does not affect atopy and asthma at age 5 years
Caps Team, Almqvist C, Garden F, Xuan W, Mihrshahi S, Leeder Sr, et al
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2007;119(6):1438-44

Predictors for snoring in children with rhinitis at age 5
Cap Study Team, Marshall Ns, Almqvist C, Grunstein Rr, Marks Gb
PEDIATRIC PULMONOLOGY 2007;42(7):584-91

Seasonal trends in house dust mite allergen in children's beds over a 7-year period
Crisafulli D, Almqvist C, Marks G, Tovey E
ALLERGY 2007;62(12):1394-400

The association between infant feeding practices and subsequent atopy among children with a family history of asthma
Caps Team, Mihrshahi S, Ampon R, Webb K, Almqvist C, Kemp As, et al
CLINICAL AND EXPERIMENTAL ALLERGY 2007;37(5):671-9

Childhood cat allergen exposure in three European countries: The AIRALLERG study
Giovannangelo M, Gehring U, Nordling E, Oldenwening M, De Wind S, Bellander T, et al
SCIENCE OF THE TOTAL ENVIRONMENT 2006;369(1-3):82-90

Prevention of asthma during the first 5 years of life: A randomized controlled trial
Childhood Asthma Prevention Study, Marks Gb, Mihrshahi S, Kemp As, Tovey Er, Webb K, et al
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2006;118(1):53-61

Sensitization to different pollens and allergic disease in 4-year-old Swedish children
Ghunaim N, Wickman M, Almqvist C, Soderstrom L, Ahlstedt S, Van Hage M
CLINICAL AND EXPERIMENTAL ALLERGY 2006;36(6):722-7

High allergen exposure as a risk factor for asthma and allergic disease
Almqvist C
CLINICAL REVIEWS IN ALLERGY & IMMUNOLOGY 2005;28(1):25-41

Is randomization of breast-feeding feasible? Reply
Kull I, Almqvist C, Lilja G, Pershagen G, Wickman M
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2005;115(6):1324-1325

Low socioeconomic status as a risk factor for asthma, rhinitis and sensitization at 4 years in a birth cohort
Almqvist C, Pershagen G, Wickman M
CLINICAL AND EXPERIMENTAL ALLERGY 2005;35(5):612-8

Breast-feeding reduces the risk of asthma during the first 4 years of life
Kull I, Almqvist C, Lilja G, Pershagen G, Wickman M
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2004;114(4):755-60

[Discussed connection between early exposure to fur animals and risk of allergy]
Almqvist C, Hedlin G, Pershagen G, Wickman M
Lakartidningen 2004;101(21-22):1916-9

Cat and dog allergens - can intervention studies solve their inscrutable riddle?
Almqvist C, Van Hage-hamsten M
CLINICAL AND EXPERIMENTAL ALLERGY 2003;33(9):1167-70

Direct and indirect exposure to pets - risk of sensitization and asthma at 4 years in a birth cohort
Almqvist C, Egmar Ac, Hedlin G, Lundqvist M, Nordvall Sl, Pershagen G, et al
CLINICAL AND EXPERIMENTAL ALLERGY 2003;33(9):1190-7

Heredity, pet ownership, and confounding control in a population-based birth cohort
Almqvist C, Egmar Ac, Van Hage-hamsten M, Berglind N, Pershagen G, Nordvall L, et al
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2003;111(4):800-6

Strategies for preventing wheezing and asthma in small children
Wickman M, Melen E, Berglind N, Nordvall Sl, Almqvist C, Kull I, et al
ALLERGY 2003;58(8):742-7

Evaluation of Petri dish sampling for assessment of cat allergen in airborne dust
Karlsson As, Hedren M, Almqvist C, Larsson K, Renstrom A
ALLERGY 2002;57(2):164-8

Selection for keeping of furred pets
Almqvist C, Berglind N, Svartengren M, Hedlin G, Nordvall L, Pershagen G, et al
ALLERGY 2002;:21-21

Sensitisation and allergic disease at four years of age in the BAMSE birth-cohort study
Almqvist C, Kull I, Van Hage-hamsten M, Nordvall L, Pershagen G, Wickman M
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 2002;109(1):S136-S136

Worsening of asthma in children allergic to cats, after indirect exposure to cat at school
Almqvist C, Wickman M, Perfetti L, Berglind N, Renstrom A, Hedren M, et al
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE 2001;163(3):694-8

Fel d 1 and Can f 1 in settled dust and airborne Fel d 1 in allergen avoidance day-care centres for atopic children in relation to number of pet-owners, ventilation and general cleaning
Wickman M, Egmar Ac, Emenius G, Almqvist C, Berglind N, Larsson P, et al
CLINICAL AND EXPERIMENTAL ALLERGY 1999;29(5):626-32

Risk factors for sensitization to fur pets.
Melen E, Almqvist C, Nordvall L, Van Hage-hamsten M, Wickman M, Lindfors A
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 1999;103(1):S120-S120

School as a risk environment for children allergic to cats and a site for transfer of cat allergen to homes
Almqvist C, Larsson Ph, Egmar Ac, Hedren M, Malmberg P, Wickman M
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 1999;103(6):1012-7

Seasonal variation in concentrations of mite allergen (Der p 1) in the mattress
Carswell F, Al-dabbagh M, Carswell Aj, Hunt L, Almquist C
INTERNATIONAL ARCHIVES OF ALLERGY AND IMMUNOLOGY 1999;118(2-4):326-7

Worsening of symptoms after school start in asthmatic children allergic to cats.
Almqvist C, Perfetti L, Malmberg Pp, Wickman M
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 1999;103(1):S22-S22

Cat and dog allergen in mattresses and textile-covered floors of homes which do or do not have pets, either in the past or currently
Egmar Ac, Emenius G, Almqvist C, Wickman M
PEDIATRIC ALLERGY AND IMMUNOLOGY 1998;9(1):31-5

Deposition of cat (Fel d 1), dog (Can f 1), and horse allergen over time in public environments - a model of dispersion
Egmar Ac, Almqvist C, Emenius G, Lilja G, Wickman M
ALLERGY 1998;53(10):957-61

Exposure to airborne cat allergen among children at school.
Egmar Ac, Almqvist C, Hedren M, Larsson P, Lauber A, Malmberg P, et al
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 1998;101(1):S83-S83

Transferral of cat allergen from schools to pet-free homes.
Almqvist C, Egmar Ac, Hedren M, Larsson P, Lauber A, Malmberg P, et al
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY 1998;101(1):S48-S48

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