Age at puberty and accelerometer-measured physical activity: Findings from two independent UK cohorts

It is unclear if puberty timing influences future physical activity (PA).To investigate the association of puberty timing with PA across adolescence and adulthood.Data were from two British cohorts. Participants from an adolescent birth cohort (females = 2349, males = 1720) prospectively reported age at menarche and voice break and had PA recorded by Actigraph accelerometers at ages 14 years and 16 years. A cohort of middle-aged and older adults...