Table 1.
Age and sex distribution of trial participants
| Age | Male | Female | Total |
| Intervention group | |||
| 49–59 | 334 (14.6%) | 693 (30.2%) | 1027 (44.8%) |
| 60–69 | 320 (13.9%) | 432 (18.8%) | 752 (32.8%) |
| 70–79 | 168 (7.3%) | 241 (10.5%) | 409 (17.8%) |
| 80+ | 45 (1.9%) | 60 (2.6%) | 105 (4.6%) |
| Total | 867 (37.8%) | 1426 (62.2%) | 2293 (100%) |
| Control group | |||
| 49–59 | 377 (16.3%) | 679 (29.5%) | 1056 (45.8%) |
| 60–69 | 296 (12.8%) | 423 (18.3%) | 719 (31.2%) |
| 70–79 | 194 (8.4%) | 237 (10.3%) | 431 (18.7%) |
| 80+ | 40 (1.7%) | 58 (2.5%) | 98 (4.3%) |
| Total | 907 (39.4%) | 1397 (60.65) | 2304 (100%) |
No significant difference in mean age of intervention (mean 62.3 years, SD 9.29) and control groups (mean 62.3 years, SD 9.38) (p=0.89, two sided t test).
No significant difference in distribution of sex between intervention and control groups (χ2 = 1.13, p=0.29).