Abstract

Abstract Objective To identify the prevalence and factors related to nocturia in women presenting lower urinary tract symptoms. Methods Observational cross-sectional survey, individualized, hospital-based, involving women attended by the Unified Health System in urogynecology outpatient clinics in Niterói and Petrópolis, RJ, Brazil. Sociodemographic, clinical, and lifestyle data were collected. Two outcomes of nocturia were considered: one or more nocturnal voids and two or more nocturnal voids, the latter due to its greater impact on quality of life. Associations between the investigated variables and the outcomes were assessed by logistic regression models, and crude and adjusted odds ratios were obtained. Results A total of 132 participants were included. The prevalence of nocturia was 71.2%, and of two or more voids, 56.8%. Lower education level OR 0,260 (0,106; 0,637), mixed urinary incontinence OR 2,533 (1,103; 5,817), and three or more comorbidities OR 3,105 (1,340; 7,196) were associated with a higher chance of nocturia. Lower education level OR 0,324 (0,148; 0,709), lower caffeine consumption OR 0,995 (0,990; 1,000), and overactive bladder syndrome OR 2,761 (1,189; 6,409) were associated with a higher chance of two or more voids. Conclusions In the population attending specialized services, the prevalence of nocturia was similar to that of the general population and to that of similar services, but the prevalence of two or more voids was higher. Active screening for nocturia in women with comorbidities, especially three or more, and their adequate management, proved to be important in addressing the symptom.

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