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10-year changes in accelerometer-based physical activity and sedentary time during midlife: CARDIA Study

To describe 10-year changes in accelerometer-determined physical activity (PA) and sedentary time in a midlife cohort, within and by race/sex groups. Coronary Artery Risk Development in Young Adults participants (n = 962) who wore the accelerometer with valid wear (≥4 of 7 days, ≥10 hours per day) at baseline (2005-06; ages 38-50; ActiGraph 7164) and 10-year follow-up (2015-16; ages 48-60; ActiGraph wGT3X-BT). Data were calibrated to account for accelerometer model differences. Participants (aged 45.0 ± 3.5 years at baseline) experienced reductions in accelerometer counts overall [-65.5 (10.2) ct·min·d-1], and within race/sex groups (all p

Authors: Gabriel KP; Sidney S; Sternfeld B; et al.

Am J Epidemiol. 2018 Jun 11.

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