Mediators of Physical Activity Behavior Change in the "Girls on the Move" Intervention.

ABSTRACT: BACKGROUND:The minimal effect of interventions to date on increasing young adolescent girls' physical activity (PA) may be due to inadequate understanding of the mechanisms underlying behavior change, yet sparse research testing a PA intervention has examined the capacity of theories to explain PA, particularly when using objective measures. OBJECTIVES:The aim of the study was to examine whether constructs from the health promotion model and self-determination theory mediated changes in moderate-to-vigorous physical activity (MVPA) following a 17-week intervention. METHODS:The study was a secondary analysis of data from a group randomized trial, including 12 intervention and 12 control schools in the Midwestern United States. Data were collected in 2012-2016. Girls (fifth- to eighth-grade,

SUBMITTER: Robbins LB 

PROVIDER: S-EPMC6602810 | biostudies-literature | 2019 Jul/Aug

REPOSITORIES: biostudies-literature