The prevalence of urinary incontinence in pregnancy among a multi-ethnic population resident in Norway
Journal article, Peer reviewed
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Original versionBJOG: an International Journal of Obstetrics and Gynaecology. 2012, 119(11), 1354-1360 10.1111/j.1471-0528.2012.03435.x
OBJECTIVES: To investigate prevalence of urinary incontinence (UI) in a multi-ethnic population of pregnant women, and to analyse for possible associations of the known risk factors for UI in such a population. DESIGN: Population-based cross-sectional study. SETTING: All pregnant women in three administrative city districts attending the Child Health Clinics. POPULATION AND SAMPLE: Out of 823 women identified in the [corrected] first trimester, 772 (94%) [corrected] agreed to participate in the study at 28 weeks of gestation. Inclusion criteria were: healthy women at 20 weeks of gestation or less and able to communicate in Norwegian, Arabic, English, Sorani, Somali, Tamil, Turkish, Urdu or Vietnamese. METHODS: Differences between ethnic groups were tested by simple descriptive statistics. Associations were estimated by logistic regression analysis and presented as crude (cOR) and adjusted (aOR) odds ratios. MAIN OUTCOME MEASURES: Prevalence of UI as ascertained using the International Consultation on Incontinence Questionnaire-urinary incontinence-short form. RESULTS: Prevalence rates of UI at 28 weeks of gestation were 26% for women of African origin, 36% for women of Middle Eastern origin, 40% for women of East Asian origin, 43% for women of South Asian origin and 45% for women of European/North American origin. The difference was significant between women of African and European/North American origins (P = 0.011) and between women of African and South Asian origins (P = 0.035). Age (aOR 1.05; 95% CI 1.01-1.09) and parity (aOR 2.34; 95% CI 1.66-3.28) were positively associated with the prevalence of UI in pregnancy. Women of African origin had significantly reduced odds for UI (aOR 0.42; 95% CI 0.20-0.87). East Asian and African women reported the highest perceived impact of UI in pregnancy. CONCLUSIONS: A high prevalence of UI was found in a multi-ethnic pregnant population.
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