Evaluation of a Diffusion Strategy for School-Based Hypertension Education

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Abstract
The purpose of this research was to evaluate the effectiveness of hypertension (HBP) education within a population of sixth grade students (n = 1204) and their parents (n = 1446). The "3Rs and HBP" curriculum attempts to diffuse the HBP information from teachers, to pupils and then to parents using the sixth grade son/daughter as a "health messenger." This curriculum was tested with and without a home blood pressure measurement component versus controls in 21 schools randomly assigned to the three conditions. Postintervention data were collected from students at school and from their parents at home interviews. Students were compared for knowledge, blood pressure measurement skill, and home diffusion activities. Parents were compared for knowledge, risk factor reduction, blood pressure, care-seeking, and compliance behaviors. Student self-esteem and family interactions were investigated as possible intervening variables in the diffusion process. Student knowledge, BP measurement skills, and diffusion to parents was increased by the 3Rs and HBP curriculum with the home component. Parental effects beyond the diffusion process were limited to knowledge improvement in certain groups. Family interaction (level and style) was found to be a significant intervening variable in the diffusion process.

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