Original articleAdrenarche and the Emotional and Behavioral Problems of Late Childhood
Section snippets
Study design and participants
Data for this study are based on the first wave of the Childhood to Adolescence Transition Study, whose design is described in detail elsewhere [14]. Briefly, children were sampled from a stratified random sample of 43 primary schools (government, catholic, independent strata) in metropolitan Melbourne, Australia. School principals provided consent for their school's participation. If a school did not provide consent to take part then a replacement school from the same stratum was randomly
Results
In total, 1,239 (54%) participants were recruited through the provision of active, informed parent consent (see Figure 1). Of the recruited sample, the mean age was 108 months (SD 5 months, range 94–128 months). Of the children recruited, 1,194 (96%) children and 1,222 (99%) of their parents took part in wave one. The recruited sample contained a slightly smaller proportion of males (46%) compared with census data for eight- to nine-year-old children enrolled in grade three across the state of
Discussion
This is the first large population-based study to show that DHEA(S) and testosterone are associated with emotional and behavioral problems in males in late childhood. For males, all androgens tended to be associated with greater total difficulties and peer relationship problems. Higher DHEA and testosterone were associated with emotional symptoms and DHEA-S with conduct problems. In contrast, for females, little evidence was found of relationships between androgens with emotional and behavioral
Acknowledgments
The authors would like to thank all the families and schools who have participated in this study. The authors would like to thank all staff and volunteers involved in data collection and processing at MCRI. Contributors: G.P., N.A., R.V., J.B. led the overall conception and design of the study. L.M., G.P., and N.A. contributed to study implementation and coordination. L.M. contributed to acquisition of the data. H.R., L.C., S.H., J.C., and G.P. were involved in analysis. All authors were
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Conflicts of Interest: The authors report no financial interests or potential conflicts of interest.