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Ethn Dis. 2007 Winter;17(1):19-22.

Relations of changes in exercise self-efficacy, physical self-concept, and body satisfaction with weight changes in obese white and African American women initiating a physical activity program.

Author information

  • Wellness Department, YMCA of Metropolitan Atlanta, Georgia, USA. jamesa@ymcaatlanta.org

Abstract

OBJECTIVE:

To determine the effectiveness of changes in factors associated with self-efficacy theory for predicting weight change in obese women of two ethnic groups.

DESIGN:

Obese (body mass index [BMI] > or = 30 kg/m2) White (n = 34) and African American (n = 30) women (mean age 44 years) were assessed on measures of body satisfaction, self-efficacy, and weight change over 20 weeks.

SETTING:

Community wellness centers.

INTERVENTION:

A supported exercise and nutrition information treatment.

MAIN OUTCOME MEASURES:

Changes in Body Areas Satisfaction Scale (BAS), Physical Self-Concept Scale (PSCS), and Exercise Self-Efficacy Scale (ESES) scores and changes in body weight over 20 weeks.

RESULTS:

Significant improvements were found on measures of exercise self-efficacy, body satisfaction, and weight, with a trend (P = .073) toward significantly greater mean weight loss by the White group (-15.5 kg vs -9.1 kg). Linear multiple regression analyses, with simultaneous entry of changes in BAS, PSCS, and ESES scores, significantly predicted changes in weight for both the White (R2 = .25) and African American (R2 = .50) group. The primary predictor of weight change for the White group was change in BAS scores (beta = -.42) and for the African American group was change in ESES scores (beta = -.68).

CONCLUSIONS:

Self-efficacy theory was supported as an explanatory model for both groups, with notable differences. Implications for weight loss intervention design and application are discussed.

PMID:
17274204
[PubMed - indexed for MEDLINE]
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