Purpose:To (i) describe the characteristics of physical fitness and cardiometabolic risk in Chinese university students with normal-weight obesity (NWO); (ii) assess the association between NWO with physical fitness and cardiometabolic risk.Methods:A total of 249 participants from the 2018 Shanghai University of Sport Alumni Health Cohort Study in China formed the study cohort. NWO was defined as normal body mass index (17.9-23.9 kg/m 2 for males; 17.2-23.9 kg/m 2 for females) but with excess body-fat percentage (≥20% for males; ≥30% for females). Body composition was assessed by dual-energy X-ray absorptiometry. Physical-fitness scores were calculated from a battery of sex-specific tests. Cardiometabolic risk was calculated using a continuous clustered risk (MetS) score.Results:We found that 16.7% of male and 45.3% of female university students were classified as having NWO. Participants with NWO showed worse cardiorespiratory fitness than those with normal weight (NW) (male NWO (37±8) vs male NW (41±6) mL/kg/min, p0.01; female NWO (31±4) vs female NW (33±6) mL/kg/min, p0.01). NWO was associated negatively with the fitness score (OR = 0.853; 95% CI = 0.793-0.917) and was associated positively with the MetS score (1.280; 1.162-1.410).Conclusion:University students with NWO were characterized by higher cardiometabolic risk and lower levels of physical fitness. Our findings implied that university students with NWO should be mindful of the potential hidden health risks of excess body fat and participate in exercise to enhance physical fitness.? 2020 Tian et al.
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机译：目的：（i）描述中国大学生患有正常肥胖症（NWO）的身体健康和心脏素风险的特征; （ii）评估NWO与体质健身和心脏差异的关系。方法：2018年上海体育大学校友健康队列研究中共有249名与会者，在中国形成了研究队列。 NWO被定义为正常体重指数（男性17.9-23.9 kg / m 2;女性的17.2-23.9 kg / m 2），但体脂多余百分比（雄性≥20％;女性≥30％）。通过双能X射线吸收测定评估体组合物。物理健身评分由特定的性别测试的电池计算。使用连续聚类风险（METS）得分计算了心电图风险。结果：我们发现16.7％的男性和45.3％的女大学生被归类为有NWO。 NWO的参与者表现出比具有正常重量（NW）（雄性NWO）（37±8）Vs雄性NW（41±6）ml / kg / kg / kg / min，p <0.01;雌性NWO（31±4）vs女性NW（33±6）ml / kg / min，p <0.01）。 NWO对健身得分（或= 0.853; 95％CI = 0.793-0.917）负相关，并与METS得分积极相关联（1.280; 1.162-1.410）。结论：具有NWO的大学生以更高的心肌差异风险为特征。较低的身体健康。我们的研究结果暗示，大学生与NWO的学生应该注意过多的身体脂肪的潜在隐藏的健康风险，并参与运动以提高身体健康。 2020 Tian等人。
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