Abstract
Abstract Purpose To estimate the prevalence of overactive bladder (OAB) with and without nocturnal enuresis (NE), and to asses the relating factors of OAB in Korea. Material and Methods A randomly selected cross sectional study was conducted in 27 kindergartens and 28 elementary schools (16,516 children: 6–13 years). The questionnaires included items about the OAB and NE. OAB was defined as urgency with or without urge incontinence, usually with increased daytime frequency and nocturia (group A) or increased daytime frequency (>8 times/day) and/or urge urinary incontinence (group B). Results The overall prevalence of OAB was 16.59 % (group A) and 18.79% (group B). In group A and B, prevalence of OAB was decreased with age from 22.99% to 12.16% and from 40.44% to 9.60%, respectively (p = 0.0001). Compared to normal, children with OAB had a higher prevalence of NE (p = 0.0001), constipation (p = 0.002), fecal incontinence (p = 0.0001) and history of urinary tract infection (p = 0.001), and a statistically insignificant relation with delayed bladder control, toilet type, parent's scholarship, double-income family and amount of income. Increased daytime frequency and urge incontinence in group A and normal children,were 3.69%, 2.31% (p = 0.009), and 26.97%, 14.78% (p = 0.0001), respectively. Prevalences of increased daytime frequency and urge incontinence in group A were decreased with age from 5.04% to 3.06% and from 45.74% to 18.50%, respectively (p = 0.0001). Conclusions The overall prevalence of OAB in group A in Korean children was similar to that in group B. NE, constipation, fecal incontinence and history of urinary tract infection may be risk factors of OAB.
Published Version
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