Factors Associated with General Oral Health Assessment Index (GOHAI) in Independent Elderly People

Abstract

We investigated the associations among the oral health-related quality of life (OHRQoL) and oral status, health behaviors, and life environment to analyze factors which affect the OHRQoL. As the index of the OHRQoL, we used the General Oral Health Assessment Index (GOHAI).

The subjects were independent elderly people who used the two welfare facilities for the elderly in the city of Chiba, aged between 60 to 86. An anonymous self-administered questionnaire was completed by the subjects. The total number of subjects was 216, and the valid number of responses was 145.

The results of logistic regression analysis showed that a high GOHAI score was associated with higher numbers of remaining teeth, having regular dental check–ups, and a better subjective chewing ability. A better subjective chewing ability was particularly strongly associated with the GOHAI. These findings suggest that maintaining a better subjective chewing ability is important to maintain a good OHRQoL.

In conclusion, we found that a higher number of remaining teeth, having regular dental check–ups, and a better subjective chewing ability are associated with a better OHRQoL.