![]() ![]() Wearables bieten Potenziale zur Förderung körperlicher Aktivität bei Älteren, jedoch sind Studien, die Effektivität und Nutzerfreundlichkeit gemeinsam betrachten, begrenzt. Acceptance of wearables can be expected to be high. ![]() The HAPA variables seem to play a limited role to explain activity levels. Providing an intervention based on established behavior change techniques and self-monitoring via wearables seems to be effective for increasing physical activity among older adults. Multilevel models including HAPA variables explained small but significant amounts of variance in MVPA (8% within-person, 26% between-person) and steps (11% within-person, 12% between-person). In the follow-up, the intervention effect was still significant for the number of steps, while MVPA dropped back to baseline. An additional benefit of the role model component could be observed for MVPA. The MVPA increased by an average of 19 min per week and steps by 1317 per day. Social cognitive predictors based on the health action process approach (HAPA) and user experience were assessed via questionnaires. The intervention comprised feedback, goal setting and planning and 50% of the participants were additionally randomized to a role model component. In this study 80 older adults (mean = 67.03 years, standard deviation = 3.97 years 59% women) wore a Fitbit Charge HR for 21 days including a baseline, a postintervention and a follow-up week. Acceptance regarding the devices was analysed in various domains. The effects of a comprehensive self-regulative intervention on moderate to vigorous physical activity (MVPA) and number of steps were examined using commercially available activity trackers. Wearables provide new opportunities to promote physical activity also among older adults but data on effectiveness and user friendliness are rare. ![]()
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