Nutrition education worksite intervention for university staff: application of the health belief model
Doris A Abood1, David R Black, Diane Feral
1Department of Nutrition, Food, and Exercise Sciences, Florida State University, Tallahassee, Florida 32306, USA. dabood@mailer.fsu.edu
Objective:
To evaluate the efficacy of an 8-week worksite nutrition education intervention for university staff using the Health Belief Model (HBM) to promote healthful dietary behaviors that reduce risks for cardiovascular disease and cancer.
Design:
2 3 2 repeated measures baseline/posttest ex post facto research design.
Participants:
Staff employees were randomly assigned to treatment (n = 28) and control groups (n = 25).
Intervention:
The intervention focused on specific health beliefs, nutrition knowledge, and dietary practices to demonstrate treatment effect.
Main Outcome Measures:
Dependent variables were specific health beliefs, nutrition knowledge, and dietary behaviors. Independent variables were demographic characteristics and group assignment.
Analyses:
Tests of parametric assumptions, power analyses, analysis of variance, and Kuder-Richardson and Pearson product-moment coefficients were computed and specificity of treatment effects was assessed.
Results:
Perceived benefits of healthy nutrition practices and nutrition knowledge related to cardiovascular disease and cancer significantly improved among the treatment participants, P <.001. Treatment group participants also significantly reduced total calories, fat, saturated fat, and cholesterol intake (each P <.001).
Conclusions:
The intervention appears to be related to treatment effects and significantly increased nutrition knowledge and decreased energy, fat, saturated fat, and cholesterol intake to levels consistent with national recommendations.
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