| Objective: To investigate the prevalence of the subgroups of obesity which was known as metabolically obese normal-weight(MONW) and metabolically normal obese(MNO), and the influencing factors in Chongqing university community.Methods: 3543 subjects aged 22-95 years old [56.20% males and 43.80% females, mean age (58.32+0.21)] between march and June 2008 were recruited in community of Chongqing university. Questionnaire survey, Physical examination and biochemical test were detected and analyzed. The multivariable logistic regression model was used to analyze the related factors to MONW and MNO subgroups, respectively.Results: Among all subjects we studied, the prevalence of MONW and MNO was 4.90% and 5.09%; 13.15% of normal weight subjects were metabolically abnormal, whereas 14.15% of obese subjects were metabolically healthy. The prevalence of MONW was increased with aging either in men or in women, while the prevalence of MNO was decreased with aging in men. But the highest level of the prevalence of MNO in women was in middle-aged group (6.17%), and decreased after 60 years old. Among the factors entered into multivariable logistic regression models, age,former smoking,alcohol intake history,family history of type 2 diabetes mellitus were the related factors for MONW, while age,waist circumference,slightly physical activity,moderate physical activity and family history of hypertension were the related factors for MNO.Conclusion: The prevalence of obesity in Chongqing university community was relatively high. Its special subgroups MONW and MNO were also common. We could use some simple factors such as: demography information,life style,diseases and family history to find the person who had the high risk to have MONW, to diagnose and treat in earlier time was important to prevent the cardiovascular disease, and the identification of the MNO subgroup was important to discriminate the different treat way among the different subgroups of obesity.
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