Pilot study: Effect of a worksite weight-loss intervention and social influence on self-efficacy and self-regulation for eating and exercise

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dc.contributor.authorSandon, Lonaen_US
dc.contributor.committeeChairCrosslin, Katie
dc.contributor.committeeMemberGolman, Mandy
dc.contributor.committeeMemberParker, Kimberly A., Ph. D.
dc.date.accessioned2016-09-14T20:20:22Z
dc.date.available2016-09-14T20:20:22Z
dc.date.issued5/9/2016en_US
dc.description.abstractEmployers need more effective workplace interventions to address overweight and obesity. Self-efficacy (SE) and self-regulation (SR) of weight management behaviors and social influence are important factors for weight loss. The purpose of this mixed methods study was to assess the influence of an intervention on SR, SE, and weight at a worksite and investigate the effect of social influence on these variables. Female employees (age M = 46.5) with a BMI greater than 25 consented and enrolled in the 10-week intervention (n = 58) or control (n = 38) group. Intervention (n = 41) and control (n = 32) participants completed the WEL-SF, PAAI, SR-Eat, and SR-PA questionnaires and weight measurements at week-1, 10, and 14. A sub-set of intervention participants (n = 11) completed interviews during week-11 and 12. Using mixed ANOVA, only WEL-SF scores were significant for between-subjects effects (p < .01). Time and time-by-group effect were significant for weight and BMI (p = .01, p = .00), SE-Eat, SR-Eat (p = .00), SE-PA (p = .00, p = .02 respectively), and SR-PA (p = .00, p = .04 respectively). Independent t-tests were significant for SE-Eat and SR-Eat at week-10 vi (p < .01). Intervention group paired t-tests were significant for increased SE-Eat, SR-Eat, SE-PA, SR-PA, fruit intake, strength/stretching, and aerobic exercise (p < .01), and decreased weight and BMI (p < .01) at week-10 and 14. Attendance correlated with weight loss, SR-Eat, and aerobic exercise (p < .05). Change in SR-Eat was correlated with change in weight at week-10 (r = -.43, p = .01) compared to change in SE-Eat and weight (r = -.35, p = .02). Interviewees perceived limited social influence of co-workers. Social influence on SE and SR included themes of support, role modeling, competition, accountability, and motivation. Behavioral-based worksite weight-loss interventions can influence SE, SR, lead to weight loss, and changes in eating and exercise behaviors. Attendance is a factor for SR and weight loss outcomes. SR for eating behavior was stronger than SE for weight loss outcomes. Social influence played a small role, but interviewees did not perceive it as a strong influence.en_US
dc.identifier.urihttp://hdl.handle.net/11274/8300
dc.language.isoen_USen_US
dc.subjectObesity
dc.subjectSelf-efficacy
dc.subjectSelf-regulation
dc.subjectHealth Studiesen_US
dc.subjectSocial influence
dc.subjectHealth and environmental sciencesen_US
dc.subjectWeight loss
dc.subjectEducationen_US
dc.subjectWorksite health promotion
dc.subjectNutritionen_US
dc.titlePilot study: Effect of a worksite weight-loss intervention and social influence on self-efficacy and self-regulation for eating and exerciseen_US
dc.typeDissertationen_US
thesis.degree.departmentHealth Studies
thesis.degree.grantorTexas Woman's University
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

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