Paper
Thursday, 20 July 2006
This presentation is part of : Exercise Programs to Improve Health
Comparison of Three Interventions to Increase Walking in Sedentary Women
Mary A. Nies, RN, PhD, FAAN, FAAHB, Health Sciences Center, State University of New York, Stony Brook, NY, USA and Ty Partridge, PhD, Department of Psychology, Wayne State University, Detroit, MI, USA.
Learning Objective #1: compare 3 interventions to increase physical activity
Learning Objective #2: determine which was most effective for sedentary women
Purpose: The purpose of this study was to increase walking activity in sedentary European American and African American women.  Three 1 year interventions, video education/control, brief telephone call, and telephone counseling, were designed to help women begin and maintain a walking program.  Theoretical Framework:  A conceptual model linking the psychosocial determinants, environmental factors, and host factors with physical activity, physiological health, and psychological health was used to guide the study.  Methods:  Design:  Randomized clinical trial. Women (N = 253) were randomly assigned to 1 of 3 groups:  video education/control;  brief telephone calls with no counseling; and telephone calls with counseling.  Setting: Metropolitan community.  Measurements:  Physical activity level was measured with an 11-point scale, the 7 day physical activity recall, and the Rockport 1-mile walk test.  Mood was measured with the profile of mood status (POMS).  Analysis:  A latent growth curve (LGC) modeling approach was employed to assess the relationship between time and intervention group membership across domains of outcome variables.  Conclusions:  Telephone counseling, brief telephone calls, and video education/control was equally successful in increasing amount of walking, speed, and in reducing negative mood.  Although there was no difference between the groups, women decreased their time to walk one mile and improved their mood.  Implications:  Study outcomes support recommendations for integrating physical activity into one’s daily life.  The use of low cost minimal intensity interventions, especially with women, may have advantages over programs that require structure, transportation, money, and time away from the home.  All 3 interventions appear to be a cost effective means of increasing physical activity for previously sedentary women. 

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