Stephanie Stockwell|Patricia Schofield|Abi Fisher|Joseph Firth|Sarah E. Jackson|Brendon Stubbs|Lee Smith
Digital behavior change interventions to promote physical activity and/or reduce sedentary behavior in older adults: A systematic review and meta-analysis
Anglia Ruskin University|Anglia Ruskin University|University College London|Western Sydney University|University of Manchester|University College London|South London and Maudsley NHS Foundation Trust|King's College London|Anglia Ruskin University|Anglia Ruskin University
physical activity sedentary behavior modifiable risk factors noncommunicable disease healthy ageing however majority older adults remain insufficiently active digital behavior change interventions dbci potential reach many older adults promote physical activity reduce sedentary time study aims assess efficacy dbci interventions older adults 50 years physical activity sedentary behavior systematic review major databases inception 032018 undertaken randomized controlled trials rct prepost interventions assessing effects dbci physical activity andor sedentary behavior older adults 50 years included random effects metaanalyses carried twentytwo studies included including 1757 older adults mean age 67 years male 41 68 showed moderatehigh risk bias metaanalyses suggested dbci increased total physical activity among rct studies n 8 smd 028 95ci 001 056 p 004 prepost studies n 6 smd 025 95ci 009 041 p 0002 increased moderatetovigorous physical activity smd 047 95ci 032 062 p 0001 md 52 minweek reduced sedentary time smd 045 95ci 069 019 p 0001 md 58 minday reductions systolic blood pressure 11 bpm p 004 improvements physical functioning p 003 also observed dbci may increase physical activity physical functioning reduce sedentary time systolic blood pressure older adults however highquality studies required