Survey on the Prevalence Rates of SBS Symptoms in a Middle School, Beijing

Abstract

PP-29-149 Background/Aims: To understand the reported prevalence rates of SBS symptom of students at the school time, and provide the clue for the improvement of indoor environmental quality of the classroom and the studying efficiency. Methods: We used self-fill questionnaire to inquiry 385 junior high school students in Grade 1 and Grade 2 on their prevalence of SBS symptoms in the last week and the last year. The survey was conducted on 28 May 2007. We input and manipulated the raw data with Epidata 3.0 software and calculated the prevalence rates for each SBS symptom. Results: The students who reported the SBS-like symptom in the last year and in the last week account for 70.39% and 58.70% of the total students finished the survey. The most reported symptoms are fatigue (50.13%), concentration difficulty (29.62%), nose stuffed (28.90%), headache (25.45%), and eye dry or itching (25.20%) in the last year. Meanwhile the most reported symptoms are fatigue (47.79%), concentration difficulty (26.50%), eye dry or itching (17.40%), headache (15.84%), and dizziness (15.33%) in the last week. Conclusion: The prevalence rate of SBS symptoms reported in junior students was very high and most reported symptoms were fatigue, concentration difficulty, eye dry or itching, and headache.