Bastos J L, Gigante D P, Peres K G
Post-graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil.
Oral Dis. 2008 May;14(4):320-6. doi: 10.1111/j.1601-0825.2007.01379.x.
The aim of this study was to estimate toothache prevalence and associated factors among adult residents in Pelotas, a southern Brazilian city.
A cross-sectional population-based study was carried out in individuals aged > or = 20 years (n = 3353). A multi-stage sampling scheme was adopted, and data collection was performed at participants' homes through standardized pre-tested questionnaires. Toothache in the past 6 months was regarded as the outcome. Socioeconomic and demographic data as well as health-related behavioural data were collected. All analyses were undertaken with a Poisson regression model, following a hierarchical conceptual model.
The response rate was 93.5% and toothache prevalence was 17.7% (95% CI 16.0-19.3). Multivariable analyses revealed that toothache was more likely to be reported by those with low educational attainment and low family income. Younger subjects, women and black people were also more likely to report toothache. Current smokers and problem drinkers were at increased risk of experiencing toothache in the past 6 months.
The toothache prevalence reported in the present study is not negligible and should initiate the formulation of preventive policies and support the planning of local oral health services.
本研究旨在评估巴西南部城市佩洛塔斯成年居民的牙痛患病率及相关因素。
对年龄≥20岁的个体（n = 3353）开展了一项基于人群的横断面研究。采用多阶段抽样方案，通过标准化的预测试问卷在参与者家中收集数据。将过去6个月内的牙痛视为研究结果。收集社会经济和人口统计学数据以及与健康相关的行为数据。按照分层概念模型，采用泊松回归模型进行所有分析。
应答率为93.5%，牙痛患病率为17.7%（95%可信区间16.0 - 19.3）。多变量分析显示，受教育程度低和家庭收入低的人更有可能报告牙痛。年轻受试者、女性和黑人也更有可能报告牙痛。当前吸烟者和有饮酒问题者在过去6个月内经历牙痛的风险增加。
本研究报告的牙痛患病率不可忽视，应启动预防政策的制定并支持当地口腔卫生服务的规划。
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