Richard M A Parker, Kate Tilling, Graciela Muniz Terrera, Jessica K Barrett
Modeling Risk Factors for Intraindividual Variability: A Mixed-Effects Beta-Binomial Model Applied to Cognitive Function in Older People in the English Longitudinal Study of Ageing
American journal of epidemiology
active breaks classroom shown effective increasing childrens physical activity simultaneously improving classroom behaviour outcomes however limited evidence feasibility fidelity programs outside research context purpose study conduct process evaluation explore factors associated feasibility fidelity classroom active break actibreak program designed improve classroom behaviour physical activity outcomes children primary elementary school years 3 4 six schools 3 intervention 3 control 374 children 74 response included actibreak pilot cluster randomised controlled trial intervention involved teachers implementing 3 5minute moderateintensity actibreaks classroom routines daily study focuses responses students n 138 teachers n 7 participated actibreak intervention group intervention fidelity assessed number actibreaks completed per class per day minutes spent moderateintensity physical activity accelerometry per actibreak change physical activity baseline mid end intervention intervention feasibility explored telephone interviews teachers questionnaires focus groups students teacher observations acute effects classroom behaviour qualitative data analysed using thematic analyses acute effects classroom behaviour change physical activity explored using paired ttests questionnaire data described frequencies teachers implemented two actibreaksday average mostly lightintensity physical activity physical activity increased baseline mid baseline endintervention classroom behaviour improved immediately following actibreaks barriers implementation included ability students return task scheduling facilitators included ease implementation flexible delivery options student enjoyment students largely satisfied program enjoyed actibreaks incorporated choice imagination challenge enjoy actibreaks evoked silliness perceived difficult like actibreaks confined space classroom results indicated actibreak program acceptable students feasible teachers however minor modifications terms required frequency intensity could improve fidelity australia new zealand clinical trials registry actrn12617000602325 retrospectively registered 27 april 2017