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目的:研究抑郁障碍患者躯体化症状与体质量指数(body mass index，BMI)、睡眠及认知功能的关系。方法:选取2019年1~12月于心理门诊就诊的119例抑郁障碍患者。按照病人健康问卷躯体症状群量表(patient health questionnaire-15，PHQ-15)得分分为轻度躯体化组(n n＝75)与中重度躯体化组(n n＝44)。采用汉密尔顿抑郁量表24项(Hamilton depression scale，HAMD-24)、PHQ-15、匹兹堡睡眠质量指数量表(Pittsburgh sleep quality index，PSQI)、蒙特利尔认知评估量表(Montreal cognitive assessment，MoCA)对所有被试进行评估。采用SPSS 23.0软件进行数据分析，采用独立样本n t检验比较两组间BMI、睡眠和认知功能评分；采用Pearson相关分析研究躯体化症状与睡眠质量和认知功能的相关性。n 结果:两组患者的BMI[(21.70±3.09)kg/mn 2，(23.31±3.51)kg/mn 2]、PSQI总分[(12.56±4.37)分，(14.37±3.72)分]、睡眠质量[(1.87±0.86)分，(2.21±0.80)分]、睡眠障碍[(1.24±0.59)分，(1.65±0.53)分]及日间功能障碍[(2.45±0.81)分，(2.77±0.48)分]差异有统计学意义(n t＝-3.783~-2.133，均n P0.05)。相关分析显示，控制HAMD得分后，PHQ-15评分与PSQI总分、睡眠质量、睡眠障碍、日间功能障碍、MoCA中的语言得分呈显著正相关(n r＝0.205~0.298，均n P<0.05)。n 结论:抑郁障碍患者躯体化严重程度与BMI、睡眠质量、睡眠障碍、日间功能障碍及语言功能密切相关，提示其可能在伴有躯体化的抑郁障碍发病过程中起到重要的作用。“,”Objective:To study the relationship between somatization symptoms and body mass index (BMI), sleep and cognitive function in patients with depression.Methods:A total of 119 patients with depression were selected from January to December in 2019.According to the score of patient health questionnaire-15(PHQ15), they were divided into mild somatization group (n n=75) and moderate severe somatization group (n n=44). Hamilton depression scale-24(HAMD-24), patient health questionnaire-15, Pittsburgh sleep quality index(PSQI) and Montreal cognitive assessment(MoCA) were used to evaluate all subjects.SPSS 23.0 software was used for data analysis.Independent sample n t-test was used to compare BMI, sleep and cognitive function scores between the two groups.Pearson correlation analysis was used to study the correlation between somatization symptoms and sleep quality and cognitive function.n Results:There were significant differences in BMI((21.70±3.09)kg/mn 2, (23.31±3.51)kg/mn 2), PSQI((12.56±4.37), (14.37±3.72)), sleep quality(1.87±0.86), (2.21±0.80)), sleep disorder ((1.24±0.59), (1.65±0.53))and daytime dysfunction((2.45±0.81), (2.77±0.48)) between the two groups (n t=-3.783--2.133, all n P0.05). Correlation analysis showed that after controlling HAMD, PHQ-15 was positively correlated with PSQI, sleep quality, sleep disorder, daytime dysfunction and language score in MoCA (n r=0.205-0.298, all n P<0.05).n Conclusion:The severity of somatization in patients with depression is related to BMI, sleep quality, sleep disorder, daytime dysfunction and language function, suggesting that they may play an important role in the pathogenesis of depression with somatization.