Stefan Nygaard Hansen

1.9k total citations · 1 hit paper
34 papers, 803 citations indexed

About

Stefan Nygaard Hansen is a scholar working on Clinical Psychology, Pediatrics, Perinatology and Child Health and Speech and Hearing. According to data from OpenAlex, Stefan Nygaard Hansen has authored 34 papers receiving a total of 803 indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Clinical Psychology, 9 papers in Pediatrics, Perinatology and Child Health and 9 papers in Speech and Hearing. Recurrent topics in Stefan Nygaard Hansen's work include Adolescent and Pediatric Healthcare (7 papers), Autism Spectrum Disorder Research (7 papers) and Family and Disability Support Research (6 papers). Stefan Nygaard Hansen is often cited by papers focused on Adolescent and Pediatric Healthcare (7 papers), Autism Spectrum Disorder Research (7 papers) and Family and Disability Support Research (6 papers). Stefan Nygaard Hansen collaborates with scholars based in Denmark, United States and Sweden. Stefan Nygaard Hansen's co-authors include Erik Thorlund Parner, Diana Schendel, Joseph D. Buxbaum, Abraham Reichenberg, Dorothy E. Grice, Helen Leonard, Sven Sandin, Mika Gissler, Christina M. Hultman and Jenny Bourke and has published in prestigious journals such as Nature Medicine, Scientific Reports and Journal of the American Academy of Child & Adolescent Psychiatry.

In The Last Decade

Stefan Nygaard Hansen

27 papers receiving 780 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Explaining the Increase in the Prevalence of Autism Spectrum Disorders

2014 310 citations Stefan Nygaard Hansen, Diana Schendel et al. profile →

Peers

Stefan Nygaard Hansen

PMH

GENET

EDUCA

Selma Idring Sweden

Vincent Guinchat France

Carmela Miniscalco Sweden

Núria Voltas Spain

Audrey Mars United States

P. Gail Williams United States

Anoek M. Oerlemans Netherlands

Sanne Lemcke Denmark

Alesha Hill United Kingdom

Fatih Ünal Türkiye

Selma Idring Sweden

Stefan Nygaard Hansen

635 ×1.4

373 ×1.2

298 ×1.3

PMH

240 ×1.6

GENET

155 ×1.2

EDUCA

Citations per year, relative to Stefan Nygaard Hansen Stefan Nygaard Hansen (= 1×) peers Selma Idring

Countries citing papers authored by Stefan Nygaard Hansen

Since Specialization

Citations

This map shows the geographic impact of Stefan Nygaard Hansen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Stefan Nygaard Hansen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stefan Nygaard Hansen more than expected).

Fields of papers citing papers by Stefan Nygaard Hansen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stefan Nygaard Hansen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Stefan Nygaard Hansen. The network helps show where Stefan Nygaard Hansen may publish in the future.

Co-authorship network of co-authors of Stefan Nygaard Hansen

This figure shows the co-authorship network connecting the top 25 collaborators of Stefan Nygaard Hansen. A scholar is included among the top collaborators of Stefan Nygaard Hansen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Stefan Nygaard Hansen. Stefan Nygaard Hansen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Khachadourian, Vahe, Meredith Anderson, Jakob Grove, et al.. (2025). Cross-Setting Replication of the Associations Between Maternal Health and Autism. Journal of the American Academy of Child & Adolescent Psychiatry.

Hansen, Stefan Nygaard, Henrik Nielsen, Charlotte Ulrikka Rask, et al.. (2025). Cohort profile: The BiCoVac cohort - a nationwide Danish cohort to assess short and long-term symptoms following COVID-19 vaccination. European Journal of Epidemiology. 40(2). 225–233.

Plana‐Ripoll, Oleguer, Natalie C. Momen, Stefan Nygaard Hansen, et al.. (2025). Impact of Washout Duration to Account for Left Truncation in Register-based Epidemiologic Studies: Estimating the Risk of Mental Disorders. Epidemiology. 36(6). 719–729. 1 indexed citations

Christensen, Thomas, Niels Katballe, René Horsleben Petersen, et al.. (2025). Cardiorespiratory fitness after correction of pectus excavatum: a systematic review with meta-analysis. Scientific Reports. 15(1). 26282–26282.

Khachadourian, Vahe, Jakob Grove, Paul F. O’Reilly, et al.. (2025). Familial confounding in the associations between maternal health and autism. Nature Medicine. 31(3). 996–1007. 6 indexed citations

Hansen, Stefan Nygaard, et al.. (2024). School Well-Being and Academic Performance of Children With Juvenile Idiopathic Arthritis: A National Register-Based Study. The Journal of Rheumatology. 51(8). 804–810. 1 indexed citations

Hansen, Stefan Nygaard & Morten Overgaard. (2024). Variance estimation for average treatment effects estimated by g-computation. Metrika. 88(4). 419–443.

Bech, Bodil Hammer, Stefan Nygaard Hansen, Henrik Nielsen, et al.. (2024). COVID-19 vaccination and involuntary movements: A longitudinal panel study. Journal of the Neurological Sciences. 463. 123136–123136. 1 indexed citations

Hansen, Stefan Nygaard. (2024). Pigs’ physiological need for zinc from weaning to 30 kg:Evaluating optimal dietary levels and the impact on growth and health under Danish production conditions.

10.

Bech, Bodil Hammer, Stefan Nygaard Hansen, Charlotte Ulrikka Rask, et al.. (2024). Does health anxiety and vaccine concern predict self-reported adverse events following COVID-19 vaccination?–A Danish national cohort study. Public Health. 237. 299–306. 1 indexed citations

11.

Hansen, Stefan Nygaard, et al.. (2023). Psychiatric Morbidity Is Common Among Children With Juvenile Idiopathic Arthritis: A National Matched Cohort Study. The Journal of Rheumatology. 51(2). 181–188. 5 indexed citations

12.

Zhang, Jie, Gemma Clayton, Stefan Nygaard Hansen, et al.. (2023). Maternal Pre-Pregnancy BMI, Offspring Adiposity in Late Childhood, and Age of Weaning: A Causal Mediation Analysis. Nutrients. 15(13). 2970–2970.

13.

Bech, Bodil Hammer, Stefan Nygaard Hansen, Charlotte Ulrikka Rask, et al.. (2023). Immediate adverse reactions following COVID-19 vaccination among 16–65-year-old Danish citizens. Vaccine. 41(33). 4879–4887. 8 indexed citations

14.

Amidi, Ali, Søren K. Kjærgaard, Vivi Schlünssen, et al.. (2023). The effect of air quality on sleep and cognitive performance in school children aged 10–12 years: a double-blinded, placebo-controlled, crossover trial. International Journal of Occupational Medicine and Environmental Health. 36(2). 177–191. 5 indexed citations

15.

Hansen, Stefan Nygaard, et al.. (2023). Outdoor Alternaria and Cladosporium spores and acute asthma. Clinical & Experimental Allergy. 53(12). 1256–1267. 5 indexed citations

16.

Pereira, Gavin, Richard W. Francis, Mika Gissler, et al.. (2021). Optimal interpregnancy interval in autism spectrum disorder: A multi‐national study of a modifiable risk factor. Autism Research. 14(11). 2432–2443. 6 indexed citations

17.

Hansen, Stefan Nygaard, Diana Schendel, Richard W. Francis, et al.. (2019). Recurrence Risk of Autism in Siblings and Cousins: A Multinational, Population-Based Study. Journal of the American Academy of Child & Adolescent Psychiatry. 58(9). 866–875. 58 indexed citations

18.

Browne, Heidi A., Amirhossein Modabbernia, Joseph D. Buxbaum, et al.. (2016). Prenatal Maternal Smoking and Increased Risk for Tourette Syndrome and Chronic Tic Disorders. Journal of the American Academy of Child & Adolescent Psychiatry. 55(9). 784–791. 29 indexed citations

19.

Grønborg, Therese Koops, Stefan Nygaard Hansen, Svend Vendelbo Nielsen, Axel Skytthe, & Erik Thorlund Parner. (2015). Stoppage in Autism Spectrum Disorders. Journal of Autism and Developmental Disorders. 45(11). 3509–3519. 10 indexed citations

20.

Atladóttir, Hjördís Ósk, David Gyllenberg, Amanda Langridge, et al.. (2014). The increasing prevalence of reported diagnoses of childhood psychiatric disorders: a descriptive multinational comparison. European Child & Adolescent Psychiatry. 24(2). 173–183. 199 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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