EFFICACY OF A SELF-DIRECTED BEHAVIORAL HEALTH CHANGE PROGRAM - WEIGHT, BODY-COMPOSITION, CARDIOVASCULAR FITNESS, BLOOD-PRESSURE, HEALTH RISK, AND PSYCHOSOCIAL MEDIATING VARIABLES

This study assessed the efficacy of a comprehensive behavioral health program designed to promote self-initiated change in overweight healthy middle-aged adults (M=49 years). Three treatment groupss (total n=25) differing in type of social support provided (i.e., group plus professional versus group plus peer versus group only) received 13 treatment sessions and 6 maintenance sessions scheduled over a full year. A self-directed change intervention taught several cognitive-behavioral techniques as they applied to exercise adherence, weight reduction/maintenance, and stress management. Combined treatment groups (n=25) improved significantly more than an assessment only control group (n=9) in weight, percentage body fat, cardiovascular fitness, exercise adherence, health-risk appraisal, chronic tension (MBHI, scale A), and systolic and diastolic blood pressure at both post-treatment and 6-month follow-up assessments. Self-motivation, group treatment attendance, and health-risk appraisal significantly related (r's=.30-.56) to several posttreatment and follow-up measures of behavioral health change. No significant differences were found among the three treatment groups on any of the outcome measures. © 1991 Plenum Publishing Corporation.