Psychosocial constructs were not mediators of intervention effects for dietary and physical activity outcomes in a church-based lifestyle intervention: Delta Body and Soul III

Public Health Nutrition
Jessica L ThomsonMelissa H Goodman

Abstract

Evaluating an intervention's theoretical basis can inform design modifications to produce more effective interventions. Hence the present study's purpose was to determine if effects from a multicomponent lifestyle intervention were mediated by changes in the psychosocial constructs decisional balance, self-efficacy and social support. Delta Body and Soul III, conducted from August 2011 to May 2012, was a 6-month, church-based, lifestyle intervention designed to improve diet quality and increase physical activity. Primary outcomes, diet quality and aerobic and strength/flexibility physical activity, as well as psychosocial constructs, were assessed via self-report, interviewer-administered surveys at baseline and post intervention. Mediation analyses were conducted using ordinary least squares (continuous outcomes) and maximum likelihood logistic (dichotomous outcomes) regression path analysis. Churches (five intervention and three control) were recruited from four counties in the Lower Mississippi Delta region of the USA. Rural, Southern, primarily African-American adults (n 321). Based upon results from the multiple mediation models, there was no evidence that treatment (intervention v. control) indirectly influenced changes i...Continue Reading

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Citations

Apr 12, 2017·The Journal of Rural Health : Official Journal of the American Rural Health Association and the National Rural Health Care Association·Paul A GilbertSusan J Curry
Jan 12, 2020·Prevention Science : the Official Journal of the Society for Prevention Research·Leah FrerichsGiselle Corbie-Smith

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