Original articleBody Image Dissatisfaction and the Adrenarchal Transition☆
Section snippets
Participants and procedure
Participants were drawn from the first wave of the Childhood to Adolescence Transition Study, a longitudinal study of health and wellbeing across the pubertal transition. A full study protocol for Childhood to Adolescence Transition Study has been published [23]. In brief, a stratified random sample was selected comprising 43 primary schools (Government, Catholic, and Independent strata) in metropolitan Melbourne, Australia. All grade three students (fourth year of formal schooling) were
Results
Of the 1,239 children recruited, 73 were excluded because they did not have at least one adrenal hormone measure, 14 were excluded due to missing body dissatisfaction or covariate measures, and 15 were excluded because they were outside the 8–9 year age range. All participants within the age range were included regardless of self- or parent-reported maturation status. The final sample comprised 1,137 (92%) participants, consisting of 621 females and 516 males with a mean age of 8.97years
Discussion
Children who were more advanced in adrenarche compared to peers had higher rates of body image dissatisfaction. Specifically, females with more advanced levels of DHEA and testosterone relative to peers, and males with more advanced levels of testosterone relative to peers, reported greater body dissatisfaction. However, after the inclusion of covariates, only BMI was significantly associated with body dissatisfaction. Given data used for these analyses were cross-sectional, it is not possible
Acknowledgments
We would like to thank all of the families and schools who participated in this study, and the staff and volunteers involved in data collection and processing at the Centre for Adolescent Health and MCRI.
Financial Support
This research was supported by a project grant from Australia's National Health and Medical Research Council (NHMRC #1010018). MCRI research is supported by the Victorian Government's Operational Infrastructure Program. Dr Hughes is supported by a grant from the Baker Foundation. Dr Mundy is partially supported by a grant from the Invergowrie Foundation. Professor Wake is supported by a NHMRC Senior Research Fellowship (#1046518). Professor Patton is supported by a NHMRC Senior Principal
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Conflicts of interest: The authors report no financial interests or potential conflicts of interest.