Table 1.
Demographic and clinical characteristics of participants with overactive bladder using no treatment drugs before each observation period
| Characteristics | Pre-Campaign Yeara | Year 1a | Year 2a | p-valueb |
|---|---|---|---|---|
| Sample size, n | 1332 | 1277 | 1157 | |
| Sex, female, n (%) | 768 (58) | 731 (57) | 666 (58) | .98 |
| Age, mean (SD) | 53 (13.1) | 54 (13.2) | 55 (13.5) | .008 |
| Comorbidity, n (%)c | ||||
| 0 | 416 (31) | 337 (26) | 271 (23) | <.001 |
| 1 | 370 (28) | 364 (29) | 326 (28) | |
| ≥ 2 | 546 (41) | 576 (45) | 560 (48) | |
aPre-Campaign Year (November 19, 2010 to November 18, 2011); Year 1 (November 19, 2011 to November 18, 2012); Year 2 (November 19, 2012 to November 18, 2013). SD, standard deviation
bp-value: Analysis of variance or chi-square test
cComorbidity: Charlson Comorbidity Index score