Anikó Lovik

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About me

I am a (part-time) post-doctoral researcher at the Unit of Integrative Epidemiology working on several projects related to COVID-19 (including the Omtanke2020 study) and ALS. My background is in biostatistics and psychology and I am interested in both applied and methodological topics.

Articles

Article: NATURE COMMUNICATIONS. 2024;15(1):8124
Mental illness and COVID-19 vaccination: a multinational investigation of observational & register-based data
Barker MM; Koiv K; Magnusdottir I; Milbourn H; Wang B; Du X; Murphy G; Herweijer E; Gisladottir EU; Li H; Lovik A; Kahler AK; Campbell A; Feychting M; Hauksdottir A; Joyce EE; Thordardottir EB; Frans EM; Hoffart A; Magi R; Tomasson G; Asbjornsdottir K; Jakobsdottir J; Andreassen OA; Sullivan PF; Johnson SU; Aspelund T; Brandlistuen RE; Ask H; McCartney DL; Ebrahimi OV; Lehto K; Valdimarsdottir UA; Nyberg F; Fang F
Article: JOURNAL OF NEUROLOGY. 2024;271(8):5267-5274
Repeated cognitive assessments show stable function over time in patients with ALS
Oijerstedt L; Foucher J; Lovik A; Yazdani S; Juto A; Klappe U; Fang F; Ingre C
Article: JOURNAL OF NEUROLOGY. 2024;271(8):5447-5459
Lifestyle and medical conditions in relation to ALS risk and progression-an introduction to the Swedish ALSrisc Study
Chourpiliadis C; Seitz C; Lovik A; Joyce EE; Pan L; Hu Y; Klappe U; Samuelsson K; Press R; Ingre C; Fang F
Article: CLINICAL IMMUNOLOGY. 2024;265:110270
T cell subset composition differs between blood and cerebrospinal fluid in amyotrophic lateral sclerosis
Yazdani S; Lovik A; Seitz C; Ingre C; Fang F; Andersson J
Article: AMYOTROPHIC LATERAL SCLEROSIS AND FRONTOTEMPORAL DEGENERATION. 2024;25(7-8):708-716
ECAS correlation with metabolic alterations on FDG-PET imaging in ALS
Foucher J; Oijerstedt L; Lovik A; Sun J; Ismail M-A; Sennfalt S; Savitcheva I; Estenberg U; Pagani M; Fang F; Pereira JB; Ingre C
Article: JAMA NETWORK OPEN. 2024;7(4):e244525
Metabolic Profile and Long-Term Risk of Depression, Anxiety, and Stress-Related Disorders
Chourpiliadis C; Zeng Y; Lovik A; Wei D; Valdimarsdottir U; Song H; Hammar N; Fang F
Article: AMYOTROPHIC LATERAL SCLEROSIS AND FRONTOTEMPORAL DEGENERATION. 2024;25(1-2):150-161
Neurodegenerative biomarkers outperform neuroinflammatory biomarkers in amyotrophic lateral sclerosis
Klappe U; Sennfalt S; Lovik A; Finn A; Bofaisal U; Zetterberg H; Blennow K; Piehl F; Kmezic I; Press R; Samuelsson K; Manberg A; Fang F; Ingre C
Article: THE LANCET REGIONAL HEALTH. EUROPE. 2023;35:100756
COVID-19 illness severity and 2-year prevalence of physical symptoms: an observational study in Iceland, Sweden, Norway and Denmark.
Shen Q; Joyce EE; Ebrahimi OV; Didriksen M; Lovik A; Sævarsdóttir KS; Magnúsdóttir I; Mikkelsen DH; Unnarsdóttir AB; Hauksdóttir A; Hoffart A; Kähler AK; Thórdardóttir EB; Eythórsson E; Frans EM; Tómasson G; Ask H; Hardardóttir H; Jakobsdóttir J; Lehto K; Lu L; Andreassen OA; Sullivan PF; Pálsson R; Erikstrup C; Ostrowski SR; Werge T; Aspelund T; Pedersen OBV; Johnson SU; Fang F; Valdimarsdóttir UA
Article: STRESS AND HEALTH. 2023;39(4):828-840
Unravelling the link between sleep and mental health during the COVID-19 pandemic
Gonzalez-Hijon J; Kahler AK; Frans EM; Valdimarsdottir UA; Sullivan PF; Fang F; Lovik A
Journal article: THE LANCET REGIONAL HEALTH. EUROPE. 2023;33:100733
Elevated symptoms of depression and anxiety among family members and friends of critically ill COVID-19 patients - an observational study of five cohorts across four countries.
Lovik A; González-Hijón J; Hoffart A; Fawns-Ritchie C; Magnúsdóttir I; Lu L; Unnarsdóttir AB; Kähler AK; Campbell A; Hauksdóttir A; Chourpiliadis C; McCartney DL; Thordardóttir EB; Joyce EE; Frans EM; Jakobsdóttir J; Trogstad L; Andreassen OA; Magnus P; Johnson SU; Sullivan PF; Aspelund T; Porteous DJ; Ask H; Ebrahimi OV; Valdimarsdóttir UA; Fang F
Article: THE LANCET REGIONAL HEALTH. EUROPE. 2023;33:100733
Elevated symptoms of depression and anxiety among family members and friends of critically ill COVID-19 patients - an observational of five cohorts across four countries
Lovik A; Gonzalez-Hijon J; Hoffart A; Fawns-Ritchie C; Magnusdottir I; Lu L; Unnarsdottir AB; Kaehler AK; Campbell A; Hauksdottir A; Chourpiliadis C; Mccartney DL; Thordardottir EB; Joyce EE; Frans EM; Jakobsdottir J; Trogstad L; Andreassen OA; Magnus P; Johnson SU; Sullivan PF; Aspelund T; Porteous DJ; Ask H; Ebrahimi OV; Valdimarsdottir UA; Fang F
Article: AMYOTROPHIC LATERAL SCLEROSIS AND FRONTOTEMPORAL DEGENERATION. 2023;24(7-8):1-6
Validity and reliability measures of the Swedish Karolinska version of the Edinburgh Cognitive and Behavioral ALS Screen (SK-ECAS)
Foucher J; Winroth I; Lovik A; Sennfalt S; Pereira JBB; Fang F; Lule D; Andersen PMM; Ingre C
Article: JOURNAL OF AFFECTIVE DISORDERS. 2023;322:108-117
Mental health indicators in Sweden over a 12-month period during the COVID-19 pandemic - Baseline data of the Omtanke2020 Study
Lovik A; Gonzalez-Hijon J; Kahler AK; Valdimarsdottr UA; Frans EM; Magnusson PKE; Pedersen NL; Hall P; Czene K; Sullivan PF; Fang F
Article: PLOS ONE. 2023;18(2):e0280587
Short-term improvement of mental health after a COVID-19 vaccination
Chourpiliadis C; Lovik A; Kahler AK; Valdimarsdottir UA; Frans EM; Nyberg F; Sullivan PF; Fang F
Article: RHEUMATOLOGY. 2022;62(1):108-115
New indicator for discordance between patient-reported and traditional disease activity outcomes in patients with early rheumatoid arthritis
Pazmino S; Lovik A; Boonen A; De Cock D; Stouten V; Joly J; Doumen M; Bertrand D; Westhovens R; Verschueren P
Article: NATURE COMMUNICATIONS. 2022;13(1):6733
T cell responses at diagnosis of amyotrophic lateral sclerosis predict disease progression
Yazdani S; Seitz C; Cui C; Lovik A; Pan L; Piehl F; Pawitan Y; Klappe U; Press R; Samuelsson K; Yin L; Vu TN; Joly A-L; Westerberg LS; Evertsson B; Ingre C; Andersson J; Fang F
Journal article: FRONTIERS FOR YOUNG MINDS. 2022;10:812576
Lou Gehrig’s Disease: Amyotrophic Lateral Sclerosis
Joyce EE; González-Hijón J; Chourpiliadis C; Lovik A; Seitz C; Cui C; Sun J; Hu Y; Pan L; Andersson J
Article: INTERNATIONAL JOURNAL OF EPIDEMIOLOGY. 2022;51(3):e108-e122
Cohort Profile: COVIDMENT: COVID-19 cohorts on mental health across six nations
Unnarsdottir AB; Lovik A; Fawns-Ritchie C; Ask H; Koiv K; Hagen K; Didriksen M; Christoffersen LAN; Gardarsson AB; McIntosh A; Kahler AK; Campbell A; Hauksdottir A; Erikstrup C; Mikkelsen DH; Altschul D; Thordardottir EB; Frans EM; Kvale G; Tomasson G; Kariis HM; Jonsdottir HL; Runarsdottir H; Magnusdottir I; Eid J; Jakobsdottir J; Nielsen KR; Kaspersen KA; Milani L; Trogstad L-IS; Yi L; Bruun MT; Sullivan PF; Magnus PM; Shen Q; Nesvag R; Brandlistuen RE; Magi R; Ostrowski SR; Lokhammer S; Solem S; Reichborn-Kjennerud T; Hansen TF; Werge T; Aspelund T; Porteous DJ; Fang F; Lehto K; Andreassen OA; Pedersen OBV; Le Hellard S; Valdimarsdottir UA
Article: THE LANCET PUBLIC HEALTH. 2022;7(5):e406-e416
Acute COVID-19 severity and mental health morbidity trajectories in patient populations of six nations: an observational study
Magnusdottir I; Lovik A; Unnarsdottir AB; McCartney D; Ask H; Koiv K; Christoffersen LAN; Johnson SU; Hauksdottir A; Fawns-Ritchie C; Helenius D; Gonzalez-Hijon J; Lu L; Ebrahimi OV; Hoffart A; Porteous DJ; Fang F; Jakobsdottir J; Lehto K; Andreassen OA; Pedersen OBV; Aspelund T; Valdimarsdottir UA
Article: JOURNAL OF RHEUMATOLOGY. 2021;48(2):174-178
Does Including Pain, Fatigue, and Physical Function When Assessing Patients with Early Rheumatoid Arthritis Provide a Comprehensive Picture of Disease Burden?
Pazmino S; Lovik A; Boonen A; De Cock D; Stouten V; Joly J; Bertrand D; Van der Elst K; Westhovens R; Verschueren P
Article: METHODOLOGY. 2020;16(1):59-74
A Modified Tucker's Congruence Coefficient for Factor Matching
Lovik A; Nassiri V; Verbeke G; Molenberghs G
Article: BEHAVIOR RESEARCH METHODS. 2018
On using multiple imputation for exploratory factor analysis of incomplete data.
Nassiri V; Lovik A; Molenberghs G; Verbeke G
Article: BEHAVIOR RESEARCH METHODS. 2018;50(2):501-517
On using multiple imputation for exploratory factor analysis of incomplete data
Nassiri V; Lovik A; Molenberghs G; Verbeke G
Article: CLINICAL INTERVENTIONS IN AGING. 2018;13:1259-1266
Nutritional and physical exercise programs for older people: program format preferences and (dis)incentives to participate
Dedeyne L; Dewinter L; Lovik A; Verschueren S; Tournoy J; Gielen E
Article: PERSONALITY AND INDIVIDUAL DIFFERENCES. 2017;117:122-129
Psychometric properties and comparison of different techniques for factor analysis on the Big Five Inventory from a Flemish sample
Lovik A; Nassiri V; Verbeke G; Molenberghs G; Sodermans AK
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All other publications

Preprint: SPRINGER SCIENCE AND BUSINESS MEDIA LLC. 2024
The influence of social network on depressive and anxiety symptoms during the COVID-19 pandemic: findings from a Swedish cohort study
Murphy GL; Joyce EE; Lovik A; Gísladóttir EU; Vincze K; Kähler AK; Frans EM; Valdimarsdóttir UA; Sullivan PF; Barker M; Fang F
Preprint: RESEARCH SQUARE. 2024
Mental illness and COVID-19 vaccination: a multinational investigation of observational & register-based data
Barker M; Kõiv K; Magnúsdóttir I; Milbourn H; Wang B; Du X; Murphy G; Herweijer E; Gísladóttir E; Li H; Lovik A; Kahler A; Campbell A; Feychting M; Hauksdóttir A; Joyce E; Thordardottir E; Frans E; Hoffart A; Magi R; Tómasson G; Ásbjörnsdóttir K; Jakobsdóttir J; Andreassen O; Sullivan P; Johnson S; Aspelund T; Brandlistuen R; Ask H; McCartney D; Ebrahimi O; Lehto K; Valdimarsdóttir U; Nyberg F; Fang F
Preprint: MEDRXIV. 2024
Mental illness and COVID-19 vaccination: a multinational investigation of observational & register-based data
Barker M; Kõiv K; Magnúsdóttir I; Milbourn H; Wang B; Du X; Murphy G; Herweijer E; Gísladóttir E; Li H; Lovik A; Kähler A; Campbell A; Feychting M; Hauksdóttir A; Joyce E; Thordardottir EB; Frans E; Hoffart A; Mägi R; Tómasson G; Ásbjörnsdóttir K; Jakobsdóttir J; Andreassen O; Sullivan P; Johnson SU; Aspelund T; Brandlistuen RE; Ask H; McCartney D; Ebrahimi O; Lehto K; Valdimarsdóttir U; Nyberg F; Fang F
Preprint: MEDRXIV. 2023
COVID-19 illness severity and 2-year prevalence of physical symptoms: an observational study in Iceland, Sweden, Norway and Denmark
Shen Q; Joyce EE; Ebrahimi OV; Didriksen M; Lovik A; Sævarsdóttir KS; Magnúsdóttir I; Mikkelsen DH; Unnarsdóttir AB; Hauksdóttir A; Hoffart A; Kähler AK; Thórdardóttir EB; Eythórsson E; Frans EM; Tómasson G; Ask H; Hardardóttir H; Jakobsdóttir J; Lehto K; Lu L; Andreassen OA; Sullivan PF; Pálsson R; Erikstrup C; Ostrowski SR; Werge T; Aspelund T; Pedersen OBV; Johnson SU; Fang F; Valdimarsdóttir UA
Preprint: MEDRXIV. 2023
Elevated symptoms of depression and anxiety among family members of critically ill COVID-19 patients - An observational study of five cohorts across four countries
Lovik A; González-Hijón J; Hoffart A; Fawns-Ritchie C; Magnúsdóttir I; Lu L; Unnarsdóttir AB; Kähler AK; Campbell A; Hauksdóttir A; Chourpiliadis C; McCartney DL; Thordardóttir EB; Joyce EE; Frans EM; Jakobsdóttir J; Trogstad L; Andreassen OA; Magnus P; Johnson SU; Sullivan PF; Aspelund T; Porteous DJ; Ask H; Ebrahimi OV; Valdimarsdóttir UA; Fang F
Preprint: MEDRXIV. 2023
Mental health, gender, and care-seeking behavior during the COVID-19 pandemic in Sweden: An exploratory study
Vincze K; Murphy G; Barker M; González-Hijón J; Kähler A; Frans E; Sullivan P; Valdimarsdóttir U; Fang F; Lovik A
Letter: JOURNAL OF RHEUMATOLOGY. 2022;49(4):436-437
Evaluation of Disease Burden by (Separate) Scores in Patients With Established Rheumatoid Arthritis: A Factor Analysis Replication
Pazmino S; Lovik A; Westhovens R; Verschueren P
Preprint: MEDRXIV. 2022
Unravelling the link between sleep and mental health during the COVID-19 pandemic
González-Hijón J; Kähler A; Frans E; Valdimarsdóttir U; Sullivan P; Fang F; Lovik A
Preprint: MEDRXIV. 2022
Short-term improvement of mental health after a COVID-19 vaccination
Chourpiliadis C; Lovik A; Kähler A; Valdimarsdóttir U; Frans E; Nyberg F; Sullivan P; Fang F
Preprint: MEDRXIV. 2021
Acute COVID-19 severity and 16-month mental morbidity trajectories in patient populations of six nations
Magnúsdóttir I; Lovik A; Unnarsdóttir AB; McCartney D; Ask H; Kõiv K; Christoffersen LAN; Johnson SU; McIntosh A; Kähler AK; Campbell A; Hauksdóttir A; Fawns-Ritchie C; Erikstrup C; Helenius D; Altschul D; Thordardottir EB; Eyþórsson E; Frans EM; Tómasson G; Jónsdóttir HL; Rúnarsdóttir H; Hjalgrim H; Harðardóttir H; González-Hijón J; Banasik K; Dinh KM; Lu L; Milani L; Trogstad L; Didriksen M; Ebrahimi OV; Sullivan PF; Magnus PM; Shen Q; Nesvåg R; Mägi R; Pálsson R; Ostrowski SR; Werge T; Hoffart A; Porteous DJ; Fang F; Jakobsdóttir J; Lehto K; Andreassen OA; Pedersen OBV; Aspelund T; Valdimarsdóttir UA
Preprint: MEDRXIV. 2021
Mental health indicators in Sweden over a 12-month period during the COVID-19 pandemic
Lovik A; González-Hijón J; Kähler A; Valdimarsdóttir U; Frans E; Magnusson P; Pedersen N; Hall P; Czene K; Sullivan P; Fang F
Preprint: MEDRXIV. 2021
A new indicator to measure discordance between patient reported outcomes and traditional disease activity holds promise to advance care trajectories improve care in patients with early Rheumatoid Arthritis
Pazmino S; Lovik A; Boonen A; De Cock D; Stouten V; Joly J; Doumen M; Bertrand D; Westhovens R; Verschueren P
Meeting abstract: ANNALS OF THE RHEUMATIC DISEASES. 2021;80:1083
VALIDATION OF SEPARATE PATIENT-REPORTED, CLINICAL AND LABORATORY FACTOR SCORES AS REPRESENTATION OF DISEASE BURDEN IN A POPULATION WITH ESTABLISHED RHEUMATOID ARTHRITIS
Pazmino S; Lovik A; De Cock D; Stouten V; Bertrand D; Joly J; Doumen M; Westhovens R; Verschueren P
Meeting abstract: ANNALS OF THE RHEUMATIC DISEASES. 2021;80:484
EN THE DISCORDANCE BETWEEN PATIENT-REPORTED AND CLINICAL/BIOLOGICAL OUTCOMES COULD HELP IN PREDICTING FUTURE DISEASE IMPACT IN PATIENTS WITH RHEUMATOID ARTHRITIS
Pazmino S; Lovik A; Boonen A; De Cock D; Stouten V; Bertrand D; Doumen M; Joly J; Westhovens R; Verschueren P
Dataset: 2021
mifa: Multiple Imputation for Exploratory Factor Analysis
Nassiri V; Lovik A; Molenberghs G; Verbeke G; Busch T
Meeting abstract: ANNALS OF THE RHEUMATIC DISEASES. 2020;79:582.1-582
CLINICAL TREATMENT RESPONSE STILL DOES NOT MATCH PATIENT REPORTED IMPROVEMENT, EVEN IN EARLY RHEUMATOID ARTHRITIS
Pazmino S; Lovik A; Boonen A; De Cock D; Stouten V; Joly J; Bertrand D; Westhovens R; Verschueren P
Conference publication: ARTHRITIS & RHEUMATOLOGY. 2019;71
Including Pain, Fatigue and Functionality Regularly in the Assessment of Patients with Early Rheumatoid Arthritis Separately Adds to the Evaluation of Disease Status
Pazmino S; Lovik A; Boonen A; De Cock D; Stouten V; Joly J; Van der Elst K; Bertrand D; Westhovens R; Verschueren P
Book chapter: QUANTITATIVE PSYCHOLOGY: SPRINGER PROCEEDINGS IN MATHEMATICS AND STATISTICS. 2018;p. 211-219
Combining Factors from Different Factor Analyses Based on Factor Congruence
Lovik A; Nassiri V; Verbeke G; Molenberghs G

Grants

Social isolation and mental health of older adults during and after the COVID-19 pandemic
Fredrik och Ingrid Thurings Stiftelse
1 January 2024 - 31 December 2024
Multifaceted mental health impact of COVID-19 – a cross-country comparison between Sweden and five other European countries
Swedish Research Council for Health Working Life and Welfare
1 January 2023 - 31 December 2025
Social isolation and mental health of older adults during the COVID-19 pandemic
Fredrik och Ingrid Thurings Stiftelse
1 January 2023 - 31 December 2023

Employments

Assistant professor, Leiden University, 2023-
Postdoctoral Researcher, Institute of Environmental Medicine, Karolinska Institutet, 2020-2025

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