| Learning Objective #1: Discuss the implementation of an individually-tailored, computer-based counseling intervention designed specifically to assist girls of middle school age in increasing their physical activity | |||
| Learning Objective #2: Explore directions for future research involving physical activity interventions as a means of health promotion |
Physical activity (PA) during adolescence decreases more drastically for girls than boys. The purpose of this pilot study, a 2-group pretest-posttest design, was to test the effectiveness of a computer-based interactive program to promote increased PA among sedentary girls (11 to 14 years) of low socioeconomic status and from diverse racial backgrounds. Girls were recruited from two middle schools in the Midwest. Each girl responded to questions about her PA as they were presented on a computer set up in each school’s wellness center. Seventy-seven girls were identified as either contemplators or preparers (Prochaska & DiClemente, 1984) and based on grade were assigned to either the intervention or control group. Questionnaires assessed variables from the Health Promotion Model (Pender, Murdaugh, & Parsons, 2002). Girls in the intervention group received tailored messages based upon personal answers to questions. Three and nine weeks after the initial visit, they completed computerized questionnaires to assess PA self-efficacy and barriers and received tailored feedback to increase PA self-efficacy. Each computer session was followed by a contracting session with a nurse practitioner to set PA goals. The intervention group received three prompt telephone calls. Tip sheets were sent to parents to enhance social support. Girls in both groups returned to the wellness center 12 weeks after initial contact to complete the final assessment questionnaires. Univariate and repeated measures ANOVA indicated no significant difference between intervention and control groups on stage of change, days of PA per week, and number of minutes of moderate and vigorous PA reported. However, a subgroup of girls in the intervention group (60%) benefited from the intervention (responders) and had a significantly higher level of PA at the posttest than the control group. Findings and implications for future research will be discussed. The study was supported by The Robert Wood Johnson Foundation.
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