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EFFECT OF EXERCISE AND DAY-LONG MOVEMENT ON SOCIAL COGNITIVE OUTCOMES IN OLDER ADULTS

J Furlipa

Abstract

Joy Furlipa. Wake Forest University, Winston Salem, NC.

BACKGROUND: Maintaining a healthy body weight and participating in sufficient levels of physical activity are important inputs to quality of life and physical function in aging. Existing weight loss and activity interventions largely focus on structured bouts of exercise, which often have the unintended consequences of increasing sedentary time and decreasing non-exercise physical activities. Therefore, it is unsurprising that weight loss is quickly regained on completion of the intervention. Less is known about the impact of accumulating movement across the day while reducing sedentary time on key psychosocial mediators of long-term weight maintenance. The objective of this study is to investigate the cross-sectional and longitudinal relationships between profiles of movement and key quality of life (QOL) and social cognitive theory (SCT) mediators of lasting behavior change in older adults. METHODS: Low active older adults (N=135; 70.0±4.42 years; 76.8% female; BMI=35.63.76) were randomized to one of three 6-month mHealth-supported group mediated weight loss (WL) interventions: WL+structured treadmill-based aerobic exercise (EX); WL+a novel daily movement intervention (SitLess); WL+EX+SitLess in older adults. Questionnaires including the 36-item short form survey (SF-36), the satisfaction with function scale (SAT-F), the self-efficacy for walking scale (SEW) were collected at baseline and 6-month follow-up. RESULTS: Regarding SEW, a mixed effects ANOVA revealed no group x time interaction and a significant main effect for time, F(1,135)=81.03, p < .001, =.38, such that all groups increased walking self-efficacy from baseline to follow-up. Similar results were observed for SAT-F [main effect for time: F(1,135)= 47.15, p < .001, =.52] as well as several SF-36 subscales including physical function F(1,135)= 37.24, p < .001, =.22], role limitations due to physical health F(1,135)= 8.58, p = .004, =.06], energy/fatigue F(1,135)= 34.34, p < .001, =.204], social functioning F(1,135)= 7.05, p = .009, =.05], bodily pain F(1,135)= 4.28, p = .041, =.031], and general health F(1,135)= 20.72, p < .001, =.133]. CONCLUSIONS: These results suggest a group mediated intervention paired with either structured exercise or day-long movement produces similar improvements to key mediators of long-term behavior change. FUNDING: This work was supported by the National Institute on Aging (R01AG05162).

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