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Is Caffeine Intake Associated With Urinary Incontinence in Japanese Adults?
Fumi Hirayama, Andy H. Lee
J Prev Med Public Health. 2012;45(3):204-208.   Published online May 31, 2012
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  • 11 Crossref
AbstractAbstract PDF

To investigate whether caffeine intake is associated with urinary incontinence (UI) among Japanese adults.


A total of 683 men and 298 women aged 40 to 75 years were recruited from the community in middle and southern Japan. A validated food frequency questionnaire was administered face-to-face to obtain information on dietary intake and habitual beverage consumption. Urinary incontinence status was ascertained using the International Consultation on Incontinence Questionnaire-Short Form.


Mean daily caffeine intake was found to be similar between incontinent subjects (men 120 mg, women 94 mg) and others without the condition (men 106 mg, women 103 mg), p=0.33 for men and p=0.44 for women. The slight increases in risk of UI at the highest level of caffeine intake were not significant after adjusting for confounding factors. The adjusted odds ratios (95% confidence interval) were 1.36 (0.65 to 2.88) and 1.12 (0.57 to 2.22) for men and women, respectively.


No association was evident between caffeine intake and UI in middle-aged and older Japanese adults. Further studies are required to confirm the effect of caffeine in the prevention of UI.



Citations to this article as recorded by  
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    Masafumi Saito, Satomi Kobayashi, Hiroyuki Uchida, Hitomi Suga, Jun Kobayashi, Satoshi Sasaki, the Three-Generation Study of Women
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  • Impact of Caffeine on Overactive Bladder Symptoms
    Imari-Ashley F. Palma, Andrea Staack
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  • Coffee and caffeine intake and risk of urinary incontinence: a meta-analysis of observational studies
    Shenyou Sun, Dongbin Liu, Ziyao Jiao
    BMC Urology.2016;[Epub]     CrossRef
  • Caffeine Intake Is Associated with Urinary Incontinence in Korean Postmenopausal Women: Results from the Korean National Health and Nutrition Examination Survey
    Jong Min Baek, Jae Yen Song, Sung Jong Lee, Eun Kyung Park, In Cheul Jeung, Chan Joo Kim, Yong Seok Lee, Jayoung Kim
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  • Caffeine Intake and its Association with Urinary Incontinence in United States Men: Results from National Health and Nutrition Examination Surveys 2005–2006 and 2007–2008
    Nicole J. Davis, Camille P. Vaughan, Theodore M. Johnson, Patricia S. Goode, Kathryn L. Burgio, David T. Redden, Alayne D. Markland
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  • Selected Literature Watch

    Journal of Caffeine Research.2012; 2(2): 99.     CrossRef

JPMPH : Journal of Preventive Medicine and Public Health