Intent to Participate in Worksite Health Promotion Activities: A Model of Risk Factors and Psychosocial Variables

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Abstract
A model of risk factors and psychosocial variables that should enhance the prediction of participation in worksite health promotion programs was evaluated by a sample survey (10% random sample) of approximately 13,000 State employees in South Carolina. The response rate for the survey was 66.3%, n = 854. A split sample strategy was employed to develop and then validate the psychosocial model. Degree of satisfaction with one's current status and intent to change it were assessed in six health areas: weight, nutrition, exercise, cigarette smoking, alcohol consumption, and the handling of stress and tension. In each area, a known risk factor was used to predict degree of satisfaction and intent to change. Variables from the psychosocial model were added in a step-wise regression procedure. The key variables in the psychosocial model were Personal Efficacy (specific to each of five areas), Job Stress, Trait Anxiety, and Health Knowledge. Risk factors contribute significantly to the prediction of dissatisfaction and intent to change in all areas except cigarette smoking and nutrition. The model of psychosocial factors contributed significantly to the prediction of dissatisfaction and intent to change in all areas. Personal Efficacy was significantly related both to dissatisfaction and intent to change, whereas the Job Stress and Anxiety variables were more effective in predicting dissatisfaction than intent to change. Health Knowledge had little direct or interactive effects on dissatisfaction or intent to participate. The implications of these findings for health promotion programs were examined.