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Chewing ability and associated factors in a Sudanese population.

This study aimed to assess self-reported chewing ability among a sample of Sudanese adults and to identify factors associated with impaired oral function. A total of 1,888 adults (≥16 years old) attending outpatient clinics in Khartoum State were included. Subjective chewing ability was assessed by interviewing participants on chewing complaints and perceived difficulty of chewing 15 common Sudanese foods. Pearson and multivariate analyses were used to examine relationships between chewing ability and characteristics obtained from interviews and clinical examination. Chewing complaints were reported by 33.5% of subjects; 15.2-33.4% had perceived difficulty of chewing hard foods, whereas only 1.5-6.9% had difficulty eating soft foods. The likelihood of chewing complaints was higher in people with dry mouth, <20 teeth, tooth decay, poor self-rated oral health, perceived difficulty of chewing, and higher oral health-related quality of life (OHRQoL) scores. Individuals with <20 teeth, poor self-rated general health, and higher OHRQoL scores were all more likely to have perceived difficulty of chewing certain foods. Impaired chewing ability was rather highly prevalent among Sudanese adults. Addressing factors such as dry mouth and tooth loss/decay, which have been identified to be associated with impaired oral function, might help to decrease the risk of omission of essential foods from the diet and improve OHRQoL.