Validity of Items Assessing Self-Reported Number of Breaks in Sitting Time among Children and Adolescents.

ABSTRACT: Background: Sedentary behaviour guidelines recommend that individuals should regularly break up sitting time. Accurately monitoring such breaks is needed to inform guidelines concerning how regularly to break up sitting time and to evaluate intervention effects. We investigated the concurrent validity of three "UP4FUN child questionnaire" items assessing the number of breaks in sitting time among children and adolescents. Methods: Fifty-seven children and adolescents self-reported number of breaks from sitting taken at school, while watching TV, and during other screen time activities. Participants also wore an activPAL monitor (PAL Technologies, Glasgow, UK) to objectively assess the number of sitting time breaks (frequency/hour) during the school period and the school-free period (which

SUBMITTER: Van Oeckel V 

PROVIDER: S-EPMC7558442 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature