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A large-scale, short-term, media-based weight loss program.

L A Jason1, B J Greiner, K Naylor

  • 1DePaul University, Chicago, Illinois.

American Journal of Health Promotion : AJHP
|June 8, 1991
PubMed
Summary

Adding self-help groups to a media-based weight loss program significantly boosted short-term results. Participants in groups lost over nine pounds, compared to less than one pound for those only using media and manuals.

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Area of Science:

  • Behavioral Science
  • Public Health
  • Nutrition Science

Background:

  • Evaluation of a media-based weight loss and nutrition program.
  • Utilized a television news program format for intervention delivery.
  • Program duration was three weeks in November 1986.

Purpose of the Study:

  • To assess the effectiveness of a media-based weight loss program.
  • To compare outcomes with and without the addition of self-help groups.
  • To evaluate changes in weight, dietary fat intake, exercise, and psychological factors.

Main Methods:

  • Seventy-four participants were divided into two groups.
  • Group 1 received a television program and manual.
  • Group 2 received the television program, manual, and encouragement to attend self-help groups.

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  • Repeated measures analysis of variance was used for statistical analysis.

    • Main Results:

    • Participants attending self-help groups lost an average of over nine pounds.
    • Participants receiving only the television program and manual lost less than one pound.
    • Self-help group attendees showed significant reductions in dietary fat intake and increases in aerobic exercise.
    • Enhanced hopefulness, motivation, and stimulus control were observed in the self-help group.

    Conclusions:

    • Short-term mass media programs alone are likely not highly effective for weight loss.
    • Supplementing media interventions with self-help manuals and support groups can yield significant short-term weight loss.
    • The combination approach positively impacts dietary habits, physical activity, and psychological readiness for change.