Worldwide

World Health Organization - 1st International Consultation on Incontinence

Prevalence: Estimates that bladder problems affect approximately 200 million people worldwide.

Hunskaar S, Burgio K, Diokno AC, et al: Epidemiology and natural history of urinary incontinence. In: Abrams P, Cardozo L, Khoury S, et al (Eds): 2nd International Consultation on Incontinence. Health PublicationLtd. Plymouth, U.K., 2002, pp. 165-202.

10 to 30% of women between the ages of 20 and 55 years, and in up to 40% of older women.

Hunskaar, S. Prevalence Study on Urinary Incontinence in Asia. Asia Pacific Continence Advisory Board, 1999. (Incontinence. Ed. Abrams, Khoury and Wein. 1999)

Hunskaar, S., Lose G., Viktrup L., Gohier J., Voss S. (Universities of Bergen, Copenhagen, ResearchUnit for General Practice, Lilly Research Laboratories and Lilly Research Center respectively) Prevalence of Stress Urinary Incontinence in Women in Four European Countries, 2002

Prevalence:
Spain	15%
France	32%
UK	32%
Germany	34%

The median age for the women with any UI was 50.9 years, the women with SUI were 47.3 years, p <0.05) and the majority of women had had their symptoms for more than 2 years.
http://www.icsoffice.org/publications/2002/pdf/257.pdf

Milsom I, The prevalence of urinary incontinence. Acta Obstet Gynecol Scand 2000 Dec; 79(12): 1056-9 (ISSN: 0001-6340) Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Goteborg University, Sweden.

50 million men and women worldwide are afflicted with urinary incontinence. Population studies have demonstrated that approximately 10% of all women suffer from urinary incontinence. Prevalence figures increase with increasing age and affect 20% of all women 70 years of age or older.
http://www.obgyn.net/medline.asp

Royal College of Physicians (1995)

Percentage of adults with urinary incontinence

Women living at home:
Ages 15-44:	5-7%
Ages 45-64:	8-15%
Ages 65+:	10-20%

Men living at home:
Ages 15-44:	3%
Ages 45-64:	3%
Ages 65+:	7-10%

Chen GD, Lin TL, Hu SW, Chen YC, Lin LY; Prevalence and correlation of urinary incontinence and overactive bladder in Taiwanese women. Neurourol Urodyn 2003; 22(2)109-17

The prevalence of stress urinary incontinence, overactive bladder, and mixed incontinence, mutually exclusive of each, was 18.0%, 18.6%, and 17.1% respectively.

United States

Urinary Incountinence

Prevalence: About 13 million adults¹
Societal cost(1995): $26.3 billion for individuals age 65 and older²

Acute urinary conditions
(infections of the kidneys and urinary tract, nephrotic syndrome, urethral stricture, cystitis, other)

Incidence(1996): 8.405 million new conditions (in the civilian noninstitutionalized population)³

Bladder disorders

Prevalence(1996): 3.139 million chronic conditions (in the civilian noninstitutionalized population)³

NIH
Prevalence: rates range from 8 to 51%; an estimate of 15 to 30% for community-dwelling older persons, and of these, 20 to 25% may be classified as severe. 2x higher in women than men, and higher in older than younger adults. 50% or more of the 1.5 million American in nursing homes suffer from UI.
www.consensus.nih.gov/cons/071/071_statement.htm

NIH
Prevalence rates vary from 8 to 51% in community-dwelling populations to 38 to 55% in long-term care institutionalized populations (Diokno, Brock, & Herzog, 196; Mohide, 1986) Estimates for prevalence of incontinence in older persons admitted to an acute-care hospital is approximately 19% (Sullivan & Lindsay, 1984)
www.nih.gov/ninr/research/vol3/Urinary.html

National Bladder Foundation - Visit this site

• Half of all women experience incontinence at some point in their lives
  
• 1/3 develop a regular problem
• After age 60, incontinence is 2x as common among women than men
• ½ of all nursing home residents are incontinent
• 75% of nursing home residents over the age of 75 are women
• Estimated 50-70% of women with UI fail to seek medical help
• 43.6% of women and 20.9% of men over the age of 20 suffer UI (Emory University study (Atlanta, GA)
• Prevalence: Approximately 25 million adults, 10 - 35% of all adults, 50% of 1.5 million residents in nursing homes
• Cost: Estimated cost of $16 billion annually ($12 billion/community, $5.2 billion/nursing homesLink to site:

Agency for Health Care Policy & Research (AHCPR)
Prevalence: 13 million Americans; 11 million are women, 1 in 4 women ages 30-59 have experienced an eposide of UI. 50% or more of the elderly are incontinent
Cost $16.4 billion is spent every year on incontinence-related care: $11.2 billion for - community based programs and at home, and $5.2 billion in long-term care facilities. $1.1 billion spent annually on disposable products for adults
www.ahcpr.gov/clinic/uiovervw.htm

The National Overactive Bladder Evaluation Study (NOBLE Study, sponsored by Pharmacia & Upjohn), a project related to the screening initiative and also funded by the American Foundation for Urologic Disease (AFUD) is now under way to more accurately determine the incidence of OAB in the U.S.
Prevalence: OAB affects 1 in 11 people in the U.S.
Link to reference:
www.newswise.com/articles/1999/11/BLADDER.BMD.html

National Overactive Bladder Screening Initiative - Released data on UI in May 2000, the results of a national survey of more than 80,000 U.S. adults.

Review of Prevalence of UI in Women by D.H. Thom in 1988. He pooled 21 population-based studies and determined that 34% of women older than 60 reported having UI at least once and 12% reported daily incontinence. Approx. 25% of women younger than 60 reported having incontinence.
Prevalence: 17 million Americans, 80% not receiving treatment
Link to reference:

http://www.simonfoundation.org/html/d/screening.htm
Results released at AUA 95th meeting (2000)

Sources:

1. Urinary Incontinence in Adults: Acute and Chronic Management. Clinical Practice Guideline No. 2, 1996 Update. Rockville, MD: Agency for Health Care Policy and Research (AHCPR), DHHS; March 1996. AHCPR publication 96-0682.
2. Wagner TH, Hu TW. Economic costs of urinary incontinence in 1995. Urology. 1998;51(3):355-361.
3. Current Estimates From the National Health Interview Survey, 1996. Atlanta, GA: National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention (CDC), U.S. Dept. of Health and Human Services (DHHS); October 1999. Vital and Health Statistics. Series 10, No. 200.

Additional Resources:

1. Hunskaar S, Arnold EP, Burgio K, Diokno AC, Herzog AR, Mallett VT: Epidemiology and natural history of urinary incontinence, Int Urogynecol J Pelvic Floor Dysfunct 2000;11(5):301-19
2. Lin HH, Torng PL; Sheu BC, Shau WY; Huang SC: Urodynamically age-specific prevalence of urinary incontinence in women with urinary symptoms. Neurourol Urodyn 2003; 22(1):29-32.
3. Liu C, Andrews GR: Prevalence and incidence of urinary incontinence in the elderly: a longitudinal study in South Australia. Chin Med J (Engl) 2002 Jan;115(1):119-22.
4. Mikou F, Abbassi O, Benjelloun A, Matar N, el Mansouri A, Service de gynecologie B, maternite Lalla Meryem, CHU Ibn Rochd, Casablanca, Maroc. Prevalence ofurinary incontinence in Moroccan women. Report of 1,000 cases) Ann Urol (Paris) 2001 Sep;35(5):280-9.
5. Peyrat L, Haillot O, Bruyere F, Boutin JM, Bertrand P, Lanson Y, Service d'Urologie, Hopital Tenon, Paris, France: Prevalence and risk factors of urinary incontinence in young women. Prog Urol 2002 Feb;12(1):52-9.
6. Thom D; Variation in estimates in urinary incontinence prevalence in the community: effects of differences in definition, population characteristics, and study type. J Am Geriatr Soc 1998 Apr; 46(4):473-80.
7. Ueda T, Tamaki M, Kageyama S, Yoshimura N, Yoshida O: Urinary incontinence among community-dwelling people aged 40 years or older in Japan: prevalence, risk factors, knowledge and self-perception. Int J Urol 2000 Mar;7(3):95-103.
8. Van Oyen H, Van Oyen P. Urinary incontinence in Belgium; prevalence, correlates and psychosocial consequences. Acta Clin Belg 2002 Jul-Aug; 57(4):207-18

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