Changes in Weight, Sedentary Behaviour and Physical Activity during the School Year and Summer Vacation.

ABSTRACT: Background: To examine bidirectional associations between body weight and objectively assessed sedentary behaviour (SB) and physical activity (PA) during the school year and summer vacation. Methods: Participants were 209 Japanese boys and girls (9.0 ± 1.8 years at baseline). SB and PA were measured using triaxial accelerometry that discriminated between ambulatory and non-ambulatory PA, screen time measured by questionnaire during the school-term was evaluated in May and the summer vacation, and relative body weight measured in May and just after the end of summer vacation. Results: There were no significant relationships between changes in SB or PA and changes in body weight. However, higher relative body weight at baseline was associated with decreased non-am

SUBMITTER: Tanaka C 

PROVIDER: S-EPMC5981954 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature