Moderators in a physical activity intervention for adolescent girls.

ABSTRACT:

Background

The purpose was to explore whether baseline sociodemographic and physical characteristics moderated effects of an intervention on moderate-to-vigorous physical activity (MVPA), percent body fat, body mass index z-score, and cardiorespiratory fitness (CRF) at post intervention, relative to the control condition.

Methods

A secondary analysis of data from a group randomized trial including 24 schools (12 intervention and 12 control; N = 1519 girls) was conducted. Age, ethnicity, race, socioeconomic status, and pubertal stage were assessed via survey. Height, weight, MVPA (min/h), percent body fat, and CRF were measured. Mixed-effects linear models were performed.

Results

Compared to the control, the intervention increased overweight and obese girls' CRF (b = 0

SUBMITTER: Robbins LB 

PROVIDER: S-EPMC7483146 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature