Objective:To evaluate the prevalence and related factors of stress urinary incontinence(SUI) in Hebei Province.Methods:A total of 2 500 females

at the age of 20 years or older and with different occupations

were randomly sampled from Shijiazhuang

Baoding and Xingtai in Hebei Province

then were interviewed by face-to-face inquiry using a well-designed questionnaire.Data analysis was performed with SPSS13.0 and SAS8.1 statistical software.Results:The number of the valid questionnaires was 2 448

with 1 485 in city

963 in countryside.The prevalence of SUI was 26.4%(647/2 448) in the three regions of Hebei.Only 40 of these incontinent females consulted a doctor for help.25 factors were demonstrated statistically related with SUI and the prevalence increased gradually correlated with body mass index

gravidity and abortion times.In multivariable logistic regression

10 factors

for example age

were demonstrated as more important.Conclusion:SUI is a common and multifactorial disease among females in Hebei Province

but only a few of them have visited doctor.Linear trend was found between SUI and body mass index

gravidity and abortion times.Lack of SUI-related knowledge and economic condition are the main factors to prevent patients from seeing a doctor.