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Background In recent years, with the increase of academic pressure, it is common for high school students to stay up late, eat and rest irregularly, leading to gradually increased yearly incidence of irritable bowel syndrome (IBS) in this population. IBS has a long course, long-term recurrent symptoms and unsatisfactory treatment effects, seriously affecting patients' quality of life, and causing socioeconomic burden of IBS. Objective To examine the prevalence, epidemiology, and risk factors of IBS in senior high school students, to provide a scientific basis for formulating practical and feasible IBS treatment plans for this group. Methods An epidemiological questionnaire survey was conducted with acluster random sample of senior high school students in Shanghai, Qinghai, Henan and Macao from July to August in 2020. The questionnaire includes demographic information, the prevalence of IBS, mental health, sleep habits, living habits and other relevant information. The Rome Ⅳ Criteria for IBS were used to diagnose IBS. The Symptom Checklist-90 (SCL-90) was used to assess mental problems and symptoms. The Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality. SPSS 21.0 was used for the analysis of risk factors of IBS. Results A total of 5 046 cases attended the survey, 4 793 (95.00%) of them who returned effective questionnaires were included for final analysis. The prevalence of IBS was 4.50% (217/4 793) . It was found that higher grade, depression, anxiety, sensitive interpersonal relationships, eating spicy food, skipping meals, drinking alcohol, excessively bright and noisy sleep environment, poor and very poor sleep quality, sleeping latency≥ 15 min, sleeping time per night ≤7 h, taking hypnotic drugs, daytime disturbance and total PSQI score ≥7 points were associated with increased risks of IBS (P |
