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Related Experiment Videos

A meta-analytic evaluation of couples weight-loss programs.

D R Black1, L J Gleser, K J Kooyers

  • 1Purdue University, West Lafayette, IN 47907-1899.

Health Psychology : Official Journal of the Division of Health Psychology, American Psychological Association
|January 1, 1990
PubMed
Summary

Couples-based behavioral weight-control programs are more effective than individual programs immediately after treatment. Partner support in weight management shows potential, especially post-therapy.

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Area of Science:

  • Behavioral psychology
  • Health psychology
  • Meta-analysis

Background:

  • Behavioral weight-control programs are common.
  • The role of social support in weight management is recognized.
  • Involvement of partners in treatment is a variable factor.

Purpose of the Study:

  • To compare the effectiveness of couples-based behavioral weight-control programs versus subject-alone programs.
  • To analyze the impact of partner involvement on weight-control outcomes.
  • To identify potential areas for optimizing partner support in weight management.

Main Methods:

  • A meta-analysis was conducted using Hedges and Olkin's (1985) statistical procedures.
  • Summary data from published studies comparing couples and subject-alone programs were analyzed.

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  • Effect sizes were calculated to determine program efficacy.

    • Main Results:

    • Couples programs demonstrated statistically significant superiority over subject-alone programs at posttreatment (p < .05).
    • A nearly significant superiority for couples programs was observed at 2- to 3-month follow-up (p = .06).
    • No significant difference was found at later follow-up points.

    Conclusions:

    • Involving partners in behavioral weight-control programs enhances immediate posttreatment outcomes.
    • The specific types of partner social support require further investigation.
    • Leveraging partner support after formal therapy presents an underexplored opportunity for sustained weight management.