Zoë Haime, Laura Kennedy, Lydia Grace, Rachel Cohen, Jane Derges, Lucy Biddle
The Journey of Engaging With Web-Based Self-Harm and Suicide Content: Longitudinal Qualitative Study
JMIR infodemiology
children meet recommendations schooltime daily moderatetovigorous physical activity significant demographic disparities declines elementary school years investigators examined impact fueling learning exercise study schoolbased physical activity programs schooltime total daily moderatetovigorous physical activity among lowerincome school children urban elementary schools n18 cluster randomized 100 mile club move control data collection analyses occurred 2015 2019 among third fourthgrade school children n1008 across 2 academic years students moderatetovigorous physical activity measured 7day accelerometry actigraph gt3x baseline intervention midpoint 6 months endpoint 18 months mixedeffects linear regression models examined program impact schooltime daily moderatetovigorous physical activity adjusting clustering demographics weight status freereducedprice lunch eligibility school physical activity environment wear time weather program reach sex weight status raceethnicity baseline activity levels explored 979 participants analyzed aged 87 sd07 years 44 male 60 nonwhite 40 overweightobese 55 eligible freereducedprice lunch 84 182 sd79 minutes per day 198 456 sd194 minutes per day fulfilled 30minute schooltime 60minute daily moderatetovigorous physical activity recommendations baseline respectively overall daily moderatetovigorous physical activity decreased baseline 18 months p0001 53 minutes 95 ci 82 24 effect programming however schooltime moderatetovigorous physical activity intervention schools maintained schooltime moderatetovigorous physical activity across 2 academic years whereas schooltime moderatetovigorous physical activity decreased control schools p0004 23 minutes 95 ci 43 04 program reach schooltime moderatetovigorous physical activity appeared equitable sex weight status different raceethnicity p0001 two different schoolbased physical activity programs effective preventing decline schooltime moderatetovigorous physical activity typical across elementary years similar reach sex weight status multiple opportunities physical activity school needed promote meeting schooltime moderatetovigorous physical activity recommendations among diverse children study registered wwwclinicaltrialsgov nct02810834