The Results of the Families Improving Together (FIT) for Weight Loss Randomized Trial in Overweight African American Adolescents

Dawn K. Wilson, Allison M. Sweeney, M. Lee Van Horn, Heather Kitzman, Lauren H. Law, Haylee Loncar, Colby Kipp, Asia Brown, Mary Quattlebaum, Tyler McDaniel, Sara M. St George, Ron Prinz, Ken Resnicow

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

BACKGROUND: Few intervention studies have integrated cultural tailoring, parenting, behavioral, and motivational strategies to address African American adolescent weight loss. PURPOSE: The Families Improving Together (FIT) for Weight Loss trial was a randomized group cohort study testing the efficacy of a cultural tailoring, positive parenting, and motivational intervention for weight loss in overweight African American adolescents (N = 241 adolescent/caregiver dyads). METHODS: The trial tested an 8-week face-to-face group motivational plus family weight loss program (M + FWL) compared with a comprehensive health education control program. Participants were then rerandomized to an 8-week tailored or control online program to test the added effects of the online intervention on reducing body mass index and improving physical activity (moderate-to-vigorous physical activity [MVPA], light physical activity [LPA]), and diet. RESULTS: There were no significant intervention effects for body mass index or diet. There was a significant effect of the group M + FWL intervention on parent LPA at 16 weeks (B = 33.017, SE = 13.115, p = .012). Parents in the group M + FWL intervention showed an increase in LPA, whereas parents in the comprehensive health education group showed a decrease in LPA. Secondary analyses using complier average causal effects showed a significant intervention effect at 16 weeks for parents on MVPA and a similar trend for adolescents. CONCLUSIONS: While the intervention showed some impact on physical activity, additional strategies are needed to impact weight loss among overweight African American adolescents.

Original languageEnglish (US)
Pages (from-to)1042-1055
Number of pages14
JournalAnnals of Behavioral Medicine
Volume56
Issue number10
DOIs
StatePublished - Oct 3 2022
Externally publishedYes

Keywords

  • Adolescents
  • African American
  • Diet
  • Family intervention
  • Physical activity
  • Weight loss

ASJC Scopus subject areas

  • Psychology(all)
  • Psychiatry and Mental health

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