• Sei J Lee, Andrew J Karter, Julie N Thai, Stephen K Van Den Eeden, and Elbert S Huang.
• 1 Division of Geriatrics, University of California-San Francisco , San Francisco, California.
• J Womens Health (Larchmt). 2013 Dec 1; 22 (12): 1049-55.

BackgroundAlthough many studies have shown that diabetes increases the risk for urinary incontinence, it is unclear whether poor glycemic control in women with diabetes is associated with incontinence. This study aims to determine the relationship between the hemoglobin A1c (HbA1c) level and urinary incontinence in a large, diverse cohort of older women.MethodsWe examined 6026 older women who responded to a survey (62% response rate) and were enrolled in the Diabetes and Aging Study, an ethnically stratified random sample of patients with diabetes enrolled in Kaiser Permanente Northern California. Our primary independent variable was the mean of all HbA1c measurements in the year preceding the survey. Outcomes included the presence/absence of incontinence and limitations in daily activities due to incontinence. We used modified Poisson regression and ordinal logistic regression models to account for age, race, body mass index, parity, diabetes treatment, duration of diabetes, and comorbidity.ResultsSixty-five percent of women reported incontinence (mean age 59±10 years). After adjustment, HbA1c levels were not associated with the presence or absence of incontinence. However, among women reporting incontinence, HbA1c ≥9% was associated with more limitations due to incontinence than HbA1c <6% (adjusted odds ratio 1.67, 95% confidence interval: 1.09-2.57).ConclusionIn this cross-sectional analysis, HbA1c level is not associated with the presence or absence of incontinence. However, for women with incontinence, poor glycemic control (HbA1c ≥9%) is associated with more limitations in daily activities due to incontinence. Longitudinal studies are needed to determine whether improving glycemic control to HbA1c <9% leads to fewer limitations in daily activities due to incontinence.

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