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What are the associations and risk factors for otitis media with effusion (glue-ear)? A 1 year case control study in 5-7 year old children from four south-west Hampshire schools examined some of the factors highlighted by the literature. A history of frequent ear problems over the previous year, a history of earache at any time in the child's life, bottle feeding, a red drum at otoscopy and the new finding of night cough all carried an increased relative risk.
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Williamson et al. (1994) studied this question.
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