The purpose of the present study was to determine the relationship between physical activity level and coronary heart disease risk factors in middle-aged male workers . The subjects, age, weight and height were respectively 44.63± 3.52 yrs, 76.63± 7.41 kg and 170±5.04 cm. Subjects completed Baecke physical activity questionnaire and we measured weight, height, abdominal and hip circumference. Also, we measured skin fold in chest, abdomen and thigh to determine BF%. Finally we determined coronary heart disease risk factors such as SBP, DBP, TJ, LDL-c, HDL-c, TG, TC/HDL and WHR. We used pearson correlation analysis to analyze data at minimal level of significance (‘P<0.05). The results showed that there is a reverse significant relationship between physical activity level with TC,LDL-C, TC, HDL and BMI (‘P<0.05), whereas there is not a significant relationship between physical activity level with HDL-C, TG, WHR, SBP, DBP and BF%. The results showed that PA can cause a decrease in CHD risk factors and middle-aged workers can promote their health.
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