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目的探讨健康体检者体质指数(body mass index,BMI)与血压、血脂、血糖及健康相关生命质量(health-related quality of life,HRQo L)的关系。方法本研究为横断面调查,采用方差分析,多因素Logistic回归模型和标准最小二乘回归模型进行分析。结果不同BMI类型的各疾病指标之间的差异均有统计学意义(均有P<0.05)。在SF-36生理领域和心理领域,BMI过轻者得分均低于BMI正常者(均有P<0.05),超重和肥胖者得分均高于BMI正常者(均有P<0.05)。超重、肥胖和年老增加慢性病患病风险(均有P<0.05);超重、肥胖、经常运动、不吸烟者HRQo L较高,女性、年老、未婚者HRQo L较低(均有P<0.05)。超重及肥胖者患高血压、高脂血症、糖尿病的风险均高于BMI正常者(均有P<0.05)。结论体重增加是多种慢性病的危险因素,而超重及肥胖者较BMI正常者有较好的HRQo L。
Objective To explore the relationship between body mass index (BMI) and blood pressure, blood lipid, blood glucose and health-related quality of life (HRQo L) in healthy subjects. Methods This study was a cross-sectional survey using analysis of variance, multivariate logistic regression models and standard least-squares regression models. Results There were significant differences among the indexes of different types of BMI (all P <0.05). In SF-36 physiological and psychological areas, those with a low BMI score were lower than those with normal BMI (all P <0.05), those with overweight and obesity scores were higher than those with normal BMI (both P <0.05). Overweight, obesity and old age increased the risk of chronic diseases (all P <0.05); overweight, obesity, regular exercise, non-smokers HRQo L higher, women, elderly, unmarried HRQo L lower (P < 0.05). Overweight and obesity patients with hypertension, hyperlipidemia, diabetes were higher than those with normal BMI (P <0.05). Conclusion Body weight gain is a risk factor for many chronic diseases, while overweight and obese patients have better HRQoL than those with normal BMI.