Association between urinary incontinence and bone health in Korean elderly women based on data from the Korea National Health and Nutrition Examination Survey
Ji Hyun Moon 1
Yun Hwan Oh 2
Mi Hee Kong 1
Jung Sik Huh 3
Hyeon Ju Kim 1  
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Department of Family Medicine Jeju National University & Hospital, South Korea
Department of Family Medicine Jeju National University Hospital, South Korea
Department of Urology, Jeju National University & Hospital, South Korea
Online publish date: 2019-05-16
Publish date: 2019-05-16
Electron J Gen Med 2019;16(3):em140
Urinary incontinence and impaired bone health are significant health problems among the elderly. We evaluated the impact of urinary incontinence on bone health in the elderly.

Material and Methods:
Our study used data from the Korea National Health and Nutrition Examination. We included 901 women aged ≥ 65 years. The bone mineral density was measured by dual-energy X-ray absorptiometry. Impaired bone health was characterized by lumbar spine, femoral neck, or total femur T-scores of ≤ −1.0 SD. Each participant’s incontinence status was recorded using constructed questionnaires.

The prevalence of self-reported urinary incontinence in the women aged ≥ 65 years was 9.5%. After adjustments for age, height, and weight, the T-scores for the lumbar spine of the urinary incontinence and the no urinary continence groups were −2.48 ± 0.11 and −2.37 ± 0.03, respectively and didn’t show the difference between them (p = 0.390). Likewise, the T-scores for the total femur and femoral neck were not significantly different. After adjusting for covariates, we found no statistically significant association between impaired bone health with urinary incontinence.

This study found urinary incontinence was not an independent risk factor of impaired bone health in the elderly women.

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