Self-reported measures of periodontitis developed for use in population surveillance are increasingly used in causal research. Numerous studies evaluate the validity of these measures against clinical parameters of periodontitis, yet few include validation parameters outside of multivariable models. Individual item validity is necessary to adequately inform use of these measures in causal research.

中文翻译：

---

个人自我报告口腔健康措施在评估牙周炎以用于因果研究应用中的有效性

为人口监测而开发的牙周炎自我报告测量方法越来越多地用于因果研究。许多研究评估了这些措施针对牙周炎临床参数的有效性，但很少包括多变量模型之外的验证参数。单个项目的有效性对于在因果研究中充分告知这些措施的使用是必要的。