Prevalence of Urinary Frequency Among Women Aged 60 Years and Older in Taiwan
Accepted 3 July 2009.
Summary
Objective
To evaluate the prevalence of daytime urinary frequency among Taiwanese women aged 60 years and older.
Materials and Methods
There were an estimated 1.25 million female residents aged 60 years and over in Taiwan in 2000. A sample of 2,410 women was selected using a multistage random sampling method. Face- to-face visits with 1,523 women were completed by trained professional interviewers within 3 months of the subjects' selection. Questions about urinary frequency and other lower urinary tract symptoms, sociodemo-graphics, reproduction, and medical and surgical histories were recorded. The factors were assessed by frequency and Pearson's χ2 test using a significance level of < 0.05.
Results
The prevalence of urinary frequency in Taiwanese women aged 60 years and over was 18.8% (286/1,521). The response rate was 85.0% (1,521/1,789). For those who complained of frequency, 45.8% voided 8–15 times a day, 37.8% voided 16–23 times a day, 1.7% voided 24–31 times and a day, and 14.7% voided more than 31 times a day. The prevalence of urinary frequency was significantly associated with age (p < 0.001).
Conclusion
Urinary frequency is a common symptom in menopausal women and is significantly related to age. More than half of the women interviewed experienced intervals of < 1 hour between visits to the restroom during the day.
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aDepartment of Obstetrics and Gynecology, Clinic of Fu Jen Catholic University, Taipei, Taiwan
bDepartment of Obstetrics and Gynecology, Chung Shan Hospital, Taipei, Taiwan
cDepartment of Obstetrics and Gynecology, China Medical University Hospital, Taichung, Taiwan
dDepartment of Obstetrics and Gynecology, Taipei Medical University–Wan Fang Hospital, Taipei, Taiwan
eInstitute of Medicine, Chung Shan Medical University, Taichung, Taiwan
fSchool of Medicine, Fu Jen Catholic University, Taipei, Taiwan
gDepartment of Mathematics, National Taiwan Normal University, Taipei, Taiwan
hMackay Medicine, Nursing and Management College, Taipei, Taiwan
iDepartment of Obstetrics and Gynecology, Mackay Memorial Hospital, Taipei, Taiwan
jDepartment of Applied Statistics, National Taichung Institute of Technology, Taichung, Taiwan
kSchool of Nursing, Chung Shan Medical University, Taichung, Taiwan
Correspondence to: Associate Professor Shao-Tung Chang, Department of Mathematics, National Taiwan Normal University, 88, Section 4, Ting Chou Road, Taipei 11677, Taiwan
ABSTRACT