ArticleMolecular psychiatry2025
Association between bullying victimization and obsessive-compulsive disorder: a population-based, genetically informative study.
Article in Molecular psychiatry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed.
- Repetitive transcranial magnetic stimulation treatment for obsessive-compulsive disorder.Current opinion in psychiatry · 2026Review
- The risk factors of obsessive-compulsive disorder: a cross-sectional study in Southwestern China.BMC psychiatry · 2025Article
- Biological, Psychosocial, and Microbial Determinants of Childhood-Onset Obsessive-Compulsive Disorder: A Narrative Review.Children (Basel, Switzerland) · 2025Review
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
The extent to which bullying victimization is associated with an increased risk of obsessive-compulsive disorder (OCD) has received little empirical attention. This longitudinal, population-based, genetically informative study examined whether self-reported bullying victimization at age 15 was associated with a clinical diagnosis of OCD in the Swedish National Patient Register and with self-reported obsessive-compulsive symptoms (OCS) at ages 18 and 24 in 16,030 twins from the Child and Adolescent Twin Study in Sweden. Using a discordant twin design, including monozygotic (MZ) and dizygotic (DZ) twins, each twin was compared with their co-twin, allowing a strict control of genetic and environmental confounding. At the population level, adjusting for birth year and sex, each standard deviation (SD) increase in bullying victimization was associated with a 32% increase in the odds of an OCD diagnosis (OR, 1.32; 95% CI, 1.21-1.44), of 0.13 SD in OCS at age 18 (β, 0.13; 95% CI, 0.11-0.16), and of 0.11 SD in OCS at age 24 (β, 0.11; 95% CI, 0.07-0.16). While associations tended to persist in the within DZ-twin comparison models, the estimates attenuated and were no longer statistically significant in the within MZ-twin comparisons. These results suggest that the association between bullying victimization and OCD/OCS is likely due to genetic confounding and therefore incompatible with a strong causal effect. Other mechanisms, such as evocative gene-environment correlations, are more plausible explanations for the observed associations.
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Registered trials
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