Table 1.
Characteristics of study participants at risk for incident urinary incontinence according to postmenopausal hormone use in 2001
| Postmenopausal Hormone Use |
|||
|---|---|---|---|
| Characteristics | Never (n=1,868) | Past (n=1,033) | Current (n=4,440) |
| Mean age (SD), years | 50.8 (3.3) | 50.9 (3.4) | 50.2 (3.6) |
| Mean body mass index (SD), kg/m2 | 26.5 (6.0) | 26.3 (5.4) | 26.0 (5.4) |
| Type of menopause (%) | |||
| Natural | 84.8 | 69.4 | 49.9 |
| Bilateral oophorectomy | 4.4 | 27.8 | 49.1 |
| Radiation or chemotherapy | 10.8 | 2.8 | 1.0 |
| Hysterectomy (%) | 6.1 | 29.0 | 51.5 |
| Race (%) | |||
| White | 92.4 | 93.0 | 93.4 |
| Black | 1.7 | 1.8 | 1.0 |
| Hispanic | 1.2 | 1.1 | 1.2 |
| Asian-American | 2.1 | 1.3 | 1.3 |
| Other/missing | 2.6 | 2.8 | 3.1 |
| Parity (%) | |||
| 0 livebirths | 24.2 | 22.5 | 25.2 |
| 1–2 livebirths | 51.0 | 55.3 | 54.5 |
| ≥3 livebirths | 24.8 | 22.2 | 20.3 |
| Cigarette smoking (%) | |||
| Past | 26.5 | 31.1 | 28.8 |
| Current | 13.4 | 11.0 | 10.8 |
| Ever used oral contraceptives (%) | 80.6 | 87.1 | 90.3 |