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Compounding inequalities in the oral health of older women living outside Dublin.

BACKGROUND
The Irish population is ageing with an increase in the absolute number of older people. However, there is a deficiency of information on the oral health status of older people in the Republic of Ireland. Traditionally, the primary measure of oral health status in older populations has been the prevalence of edentulousness. The aim of this retrospective study was to obtain information on the edentulous status of older people and to investigate the compounding effects of age, gender and area-of-residency on the prevalence of edentulism, using as a sample those over 65 year-olds who registered at dental hospitals in the Republic of Ireland during 1995.


DESIGN
All patient records from both dental hospitals in the Republic were identified on electronic databases, and information was collected over a period of six months. Of the 566 patients who registered at the dental hospitals in 1995, it was possible to access 524 (93 per cent) records.


RESULTS
The edentulous rate in the sample was 42 per cent, but significant variations were apparent with age, gender and geographical residency. In addition, there was evidence of compounding inequalities in the prevalence of edentulism when the combined effects of age, gender and area of residency were studied. Considerable inequalities were observed; at age 65 women resident outside Dublin were 1.65 times more likely (or 65 per cent more likely) to be edentulous than men resident in Dublin of the same age. At age 75, women were 1.46 times more likely to be edentulous than men.