Abstract
Objective To evaluate the effects of a comprehensive intervention including regular aerobic exercise and health education on knowledge, attitude, belief, practice (KAP) scores, body mass index (BMI), waist circumferences, blood pressure, serum glucose and lipid levels in middle-aged and elderly people with overweight and obesity. Methods Three resident communities were chosen randomly from Wangdingdi community in Nankai district in Tianjin. Totally 125 overweight people were involved in this study, 62 and 63 people were randomly assigned to intervention group and control group respectively. The members of intervention group were asked to participate in aerobic exercise and health education program 3 times per week within 6 months. And control group members received no intervention. Then to evaluate the effects of intervention of regular aerobic exercise and health education by physical examination and questionnaire. Comparison between intervention group and control group was performed using a repeated-measures analysis of variance. Results The comprehensive intervention resulted in significant improvement of the KAP scores [13.82 (95%CI: 12.42-15.23)] and high-density lipoprotein cholesterol [0.22 (95% CI: 0.17-0.28) mmol/L] and reductions in intervention group in body mass index [-0.47 (95% CI: -0.58-0.36) kg/m2], waist circumference [-4.00 (95% CI: -5.01--2.99) cm], systolic blood pressure [-11.69 (95% CI:-13.84--9.55) mmHg] (1 mmHg=0.133 kPa), fasting plasma glucose [-1.21 (95% CI:-1.55--0.88) mmol/L], triglyceride [-0.06 (95% CI: -0.25-0.13) mmol/L], low-density lipoprotein cholesterol [-0.48 (95% CI: -0.62--0.34) mmol/L]. Conclusion Regular aerobic exercise and health education program in community can successfully reduce body mass index, waist circumference and some other risk factors related to overweight and obesity. It is effective to improve awareness, physical fitness, change lifestyle for middle-aged and elderly people in the community. Key words: Overweight; Obesity; Health education; Aerobic exercise
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