Table 1 Baseline characteristics comparing intervention group and control group
Measure | Intervention group (n = 646) | Control group (n = 662) |
|---|---|---|
Age, mean (SD) | 83.0 (5.5) | 83.3 (5.5) |
Gender, number (%) | ||
 Men | 325 (50.3%) | 315 (47.6%) |
 Women | 321 (49.7%) | 347 (52.4%) |
Risk score, mean (SD) | 0.35 (0.18) | 0.33 (0.17) |
Number of co-morbidities | ||
 0 | 48 (7.4%) | 47 (7.1%) |
 1 | 112 (17.3%) | 95 (14.4%) |
 2 | 143 (22.1%) | 126 (19.0%) |
 3 or more | 343 (53.1%) | 394 (59.5%) |