ArticlePaediatric and perinatal epidemiology2020
Risk of selection bias due to non-participation in a cohort study on pubertal timing.
Article in Paediatric and perinatal epidemiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 23 citations in OpenAlex.
- Pubertal timing and tempo and body mass index trajectories: investigating the confounding role of childhood body mass index.American journal of epidemiology · 2025Article
- Atopic dermatitis in childhood and pubertal development: A nationwide cohort study.JAAD international · 2025Article
- The estimated effect of season and vitamin D in the first trimester on pubertal timing in girls and boys: a cohort study and an instrumental variable analysis.International journal of epidemiology · 2023Article
- Maternal Intake of Vitamin D Supplements during Pregnancy and Pubertal Timing in Children: A Population-Based Follow-Up Study.Nutrients · 2023Article
- Timing of Pubertal Development in Boys and Girls With Congenital Heart Defects: A Nationwide Cohort Study.Journal of the American Heart Association · 2022Article
- Nausea During Pregnancy and Timing of Pubertal Development in Sons and Daughters: A Population-Based Cohort Study.Clinical epidemiology · 2021Article
- Risk of selection bias due to non-participation in a cohort study on pubertal timing.Paediatric and perinatal epidemiology · 2020Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundNon-participation in aetiologic studies of pubertal timing is frequent. However, little effort has been given to explore the risk and potential impact of selection bias in studies of pubertal timing.
objectiveWe aimed to explore the risk of selection bias due to non-participation in a newly established puberty cohort.
methodsWe evaluated whether three maternal exposures chosen a priori (pre-pregnancy obesity, smoking, and alcohol drinking during pregnancy) were associated with participation, whether pubertal timing was associated with participation, and whether selection bias influenced the associations between these exposures and pubertal timing. In total, 22 439 children from the Danish National Birth Cohort born 2000-2003 were invited to the Puberty Cohort and 15 819 (70%) participated. Exposures were self-reported during pregnancy. Pubertal timing was measured using a previously validated marker, "the height difference in standard deviations" (HD:SDS), which is the difference between pubertal height and adult height, both in standard deviations. For this study, pubertal height at around 13 years in sons and around 11 years in daughters was obtained from an external database, and adult height was predicted based on parental height reported by mothers.
resultsParticipation was associated with most exposures but not with pubertal timing, measured by HD:SDS. The associations between exposures and HD:SDS were comparable for participants only and all invited for participation.
conclusionIn conclusion, the risk of selection bias in aetiologic studies on pubertal timing in the Puberty Cohort appears minimal.
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