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To evaluate the risk of obstructive sleep apnea (OSA) in a primary care population of elderly Nigerians and to determine its correlates.

Clinical and demographic data of 414 elderly individuals in a primary care clinic were obtained. Their risk of OSA was estimated using Berlin questionnaire while Epworth sleepiness scale and the Center for Epidemiologic Studies Depression Scale (CESD-10) were also administered.

Of the 414 subjects, 96 (23.2%) met the criteria for a high risk for OSA with a male to female ratio of 1:1. Subjects at high OSA risk (high OSA risk group) were younger than those at low OSA risk (low OSA risk group) (71.4±6.8 vs 73.6±7.7, p=0.011). Mean body mass index (BMI, kg/m²) (27.3±5.8 vs 24.7±5.1, p<0.001) and waist circumference (WC, cm) (90.7±13.1 vs 86.5±13.9, p=0.011) were higher in the high OSA risk group compared with the low OSA risk group. A total of 215 …