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This quasi experiment research with two-group pretest-posttest design aimed to compare the effects from the use of a procedural model to reduce the risk of coronary heart disease by implementing and holding on 3R (Risk stratification—Risk education—Risk reduction) with Royal Thai Air Force personnel. A sample of 60 with risk of coronary heart disease were divided into experimental and control groups of 30 each. Data concerning the risk were collected before and 3 months after using procedural model, and the follow-up data were collected 1 year later in order to examine the persistence of the model’s results. Descriptive statistics and t- test were used for data analysis.
The results showed that 1) the risk to coronary heart disease of the experimental group in 3 months and one year after using procedural model was less than before using the procedural model with statistical significance of p<0.05; 2) the risk to coronary heart disease of the experimental group was less than that of the control group with statistical significance of p<0.05 both in 3 months after using the model and one year later. It might be concluded that persons using a procedural model are less exposed to the risk of coronary heart disease.
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