Table 2.
Relationship between urinary incontinence and age or BMI of different grades
| Occurrence rate% (95%CI) | Cases in group UI (%) | Cases in group without UI (%) | Univariate analysis | ||
|---|---|---|---|---|---|
| OR(95%CI) | p value | ||||
| Age(years) | 50.1 (46.4–53.9) | 351 (50.1%) | 349 (49.9%) | < 0.001 | |
| 18–30 | 26.2 (17.7–34.6) | 28 (8.0%) | 79 (22.6%) | 1 | |
| 31–40 | 42.0 (34.5–49.4) | 73 (20.8%) | 101 (28.9%) | 2.039 (1.205–3.450) | 0.008 |
| 41–50 | 59.1 (51.1–67.0) | 88 (25.1%) | 61 (17.5%) | 4.070 (2.370–6.990) | < 0.001 |
| 51–60 | 57.5 (49.6–65.4) | 88 (25.1%) | 65 (18.6%) | 3.820 (2.232–6.536) | < 0.001 |
| > 60 | 63.2 (54.4–72.1) | 74 (21.1%) | 43 (12.3) | 4.855 (2.741–8.602) | < 0.001 |
| BMI (kg/m2) | 52.2 (47.0–57.3) | 193 (52.2%) | 177 (47.8%) | 0.008 | |
| Underweight (< 18.5) | 39.4 (21.8–57.0) | 13 (6.7%) | 20 (11.3%) | 0.710 (0.337–1.495) | 0.367 |
| Normal (18.5–23.9) | 47.8 (41.3–54.3) | 109 (56.5%) | 119 (67.2%) | 1 | |
| Overweight (24–27.9) | 62.8 (52.4–73.2) | 54 (28.0%) | 32 (18.1%) | 1.842(1.108–3.064) | 0.019 |
| Obesity (≥ 28) | 73.9 (54.5–93.3) | 17 (8.8%) | 6 (3.4%) | 3.093 (1.177–8.130) | 0.022 |
CI, Confidence interval; BMI, Body mass index; UI, Urinary incontinence