中文摘要：

研究目的：调查护士肠易激综合征（IBS）的患病率以及精神心理因素等是否为IBS患病的危险因素，明确精神心理因素是否影响到IBS患者的症状严重性和生活质量。创新要点：在中国，针对特殊人群（如护士）IBS患病率及其影响因素的调查相对较少。特殊人群因工作性质等原因，可能成为IBS的高发人群，了解其患病情况和可能的致病因素为针对性治疗提供理论依据。研究方法：针对北京某三甲医院临床科室护士采取自愿填写封闭式问卷的方式进行横断面调查。重要结论：护士人群的IBS患病率达17．4％，与健康对照组相比，IBS患者精神心理评分升高（P〈0．001），且生活质量明显降低（77．18±21．93 vs．88．44±11．89，P〈0．001）。饮酒、缺乏锻炼、精神心理异常等因素可能和IBS患病有关。

英文摘要：

The prevalence of irritable bowel syndrome （IBS） and associated factors, especially psychological and lifestyle factors, in nurses in China have not been investigated previously. The aims of this study were to assess the prevalence of IBS in nurses, to evaluate whether factors, such as psychological disorders, are associated with IBS, and to determine whether psychological disorders can influence the severity of symptoms of IBS and quality of life （QOL）. A cross-sectional study was conducted for Chinese nurses from November 2012 to February 2013. Partici- pants were asked to complete questionnaires. The prevalence of IBS was 17.4%. The revised symptom checklist 90 （SCL-90-R） scores were significantly higher for nurses with IBS than for those without IBS （P〈0.001）, and no difference in scores between IBS subtypes was found （F=1.893, P=-0.142）. The scores of QOL for nurses with and without IBS were 77.18±21.93 and 88.44±11.89 （P〈0.001）, respectively. Psychological disorders did not show statistically significant correlations with severity of symptoms of IBS or QOL. Alcohol consumption, low level of exercise, and psychological disorders were risk factors for IBS. In summary, nurses in China show a high prevalence of IBS. Psy- chological disorders and some related lifestyle factors are probably responsible for the development of IBS in nurses.