目的：调查上海市白领的口臭流行情况及影响因素。方法采取多级、整群、随机抽样的方法，从上海市白领公司较为集中的六个区内随机抽取3个区，每个区内随机抽取一个白领公司，并在抽取的公司内随机抽取3个部门作为调查单位，对每个调查单位内所有对象进行问卷调查、临床检查及口气检查。结果共调查上海市白领805人，收回问卷及接受检查720人。 VSC平均值为（117．47±102．56） mg／L，口臭检出率为33．2％。舌苔厚度、牙周袋深度、食用甜食频率和2 h内是否进食进入回归方程。结论白领人群中，舌苔与牙周疾病与口臭明显相关，有必要增加宣传，增强人群口腔保健意识，从而预防口臭。同时，食用甜食可能会减少VSC产生，但该结果仍有待进一步研究。%Objective To investigate the factors associated with halitosis in Shanghai white⁃collar employees. Methods Subjects in three randomly selected office buildings in Shanghai, China, were enrolled in this cross⁃sectional study using cluster random sampling. Oral malodor was assessed by measuring volatile sulfur compounds ( VSCs) with a portable sulfide monitor. Subjects�oral health, inclu⁃ding dental caries, periodontal status, and tongue coating, was evaluated clinically. A questionnaire was used to obtain information a⁃bout participants� demographic characteristics, oral hygiene habits, and health behaviors. Results Of 805 subjects invited to partici⁃pate in this study, 720 were enrolled (89.4% response rate) and data from these subjects were used for statistical analyses. The mean VSC was (117.47±102.56) mg/L, and the prevalence of halitosis was 33.2% (VSC≥110 mg/L). In the final regression model, hal⁃itosis was significantly related to tongue coating thickness, periodontal pocket depth, food consumption within 2 h prior to oral examina⁃tion, and intake frequency of sweet foods. Conclusion In this Shanghai white⁃collar population, tongue coating and periodontal dis⁃ease were associated with halitosis. Oral hygiene education should be provided at the population level to encourage the maintenance of o⁃ral health and fresh breath. Sweet food may reduce VSC production, but this finding requires further investigation.
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