Table 1.

Characteristics of the study population

	Total population (n=779)*
POP no SUI*	166 (21.3%)
SUI no POP	133 (17.1%)
POP + SUI	35 (4.5%)
POP or SUI or both	334 (42.9%)
No POP no SUI	445 (57.1%)
Age	50.3 ± 6.8
Menopause	328 (44.4%)
Body mass index	26.0 ± 4.8
Education:
(1)High school or less	88 (11.3%)
(2)Some college or college grad	465 (59.7%)
(3)Grad/Prof degree	226 (29.0%)
Race:
(1)White	729 (94.3%)
(2)Other	44 (5.7%)
Vaginal delivery, continuous	1.85 ± 1.71
Vaginal delivery by category
Zero	237 (30.9%)
1 or 2	291 (37.9%)
3 or more	239 (33.8%)
Total parity, continuous	2.2 + 1.7
Total parity by category
Zero	149 (19.4%)
1 or 2	338 (44.1%)
3 or more	280 (36.5%)
Hysterectomy	100 (12.9%)
Current Smoker	29 (3.7%)
Caffeine Consumption
Not everyday	246 (31.7%)
At least once per day	530 (68.3%)
Chronic Cough	12 (1.5%)
Health status
Excellent or verygood	609 (78.4%)
Good or less	168 (21.6%)
Able to contract pelvic floor muscles	659 (84.6%)

^*POP= pelvic organ prolapse; SUI=stress urinary incontinence. N changes slightly due to missing values. Percents are out of nonmissing values.