Association Between Chewing Difficulty and Symptoms of Depression in Adults: Results from the Korea National Health and Nutrition Examination Survey.

Objectives: To assess the association between chewing difficulty and symptoms of depression in a representative sample of the Korean population.

Design: Cross-sectional.

Setting: Korea National Health and Nutrition Examination Survey (KNHANES).

Validation of a Korean version of the Child Oral Health Impact Profile (COHIP) among 8- to 15-year-old school children.

Objectives: The purpose of this study was to assess reliability, discriminant validity, and convergent validity of the Oral Health Impact Profile (COHIP) Korean version in a representative community sample of 8- to 15-year-old Korean children.

Methods: A Korean version of COHIP was developed according to the standard procedure of cross-cultural adaptation of self-reported instruments. A representative community sample of 2236 schoolchildren was selected by cluster sampling method.