Table 1. Baseline demographics.
| All | Incontinence, yes | |
|---|---|---|
| N = 1814 | N = 418 (23%) | |
| Age, years mean (SD) | 48.30 (11.43) | 50.07 (9.8) |
| Sex, female n (%) | 1402 (83.8) | 396 (88.3) |
| BMI, kg/cm2 mean (SD) | 26.6 (5.4) | 27.9 (6.0) |
| Highest completed Education n (%) | ||
| Primary school | 35 (2.1) | 0 (0) |
| Secondary education | 32 (1.9) | 5 (1.2) |
| Skilled | 198 (11.8) | 45 (10.8) |
| Short higher education | 292 (17.4) | 76 (18.2) |
| Medium higher education | 851 (50.8) | 223 (53.3) |
| Long higher education | 243 (14.5) | 58 (13.9) |
| Other | 23 (1.4) | 11 (2.6) |
| Civil status n (%) | ||
| Single | 246 (14.7) | 51 (12.2) |
| Married or cohabitating | 1346 (74.2) | 352 (84.2) |
| Other | 71 (4.3) | 15 (3.6) |
| Smoking, yes n (%) | 236 (14.2) | 48 (11.5) |
| Chronic diseases*, yes n (%) | 437 (26.1) | 129 (30.9) |
*Chronic diseases were exemplified in the questionnaire with diabetes, rheumatoid arthritis, chronic obstructive pulmonary disease and heart diseases.