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Int J Dev Sci. 2013;7(2):105-116.

Height-based Indices of Pubertal Timing in Male Adolescents.

Author information

1
Rotman Research Institute and Institute of Medical Science, University of Toronto, Toronto, Canada.
2
School of Social and Community Medicine, University of Bristol, Bristol, UK.
3
Montreal Neurological Institute, McGill University, Canada.
4
University of Quebec in Chicoutimi, Chicoutimi, Quebec, Canada ; ECOBES, Research and transfert, CEGEP Jonquière, Jonquière, Quebec, Canada.
5
University of Quebec in Chicoutimi, Chicoutimi, Quebec, Canada.
6
Hospital for Sick Children University of Toronto, Toronto, Canada.

Abstract

It is important to account for timing of puberty when studying the adolescent brain and cognition. The use of classical methods for assessing pubertal status may not be feasible in some studies, especially in male adolescents. Using data from a sample of 478 males from a longitudinal birth cohort, we describe the calculations of three independent height-based markers of pubertal timing: Age at Peak Height Velocity (APHV), Height Difference in Standard Deviations (HDSDS), and Percent Achieved of Adult Stature (PAAS). These markers correlate well with each other. In a separate cross-sectional study, we show that the PAAS marker correlates well with testosterone levels and self-reported pubertal-stage scores. We conclude by discussing key considerations for investigators when drawing upon these methods of assessing pubertal timing.

KEYWORDS:

ALSPAC; Males; Saguenay Youth Study; height; pubertal timing; testosterone

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