Table 2.
Baseline characteristics of participants
| Variable | Overall, N=1833* | Male, N=866 | Female, N=967 | P value† |
| Age mean (SD) | 65.5 (6.04) | 65.7 (5.85) | 65.4 (6.20) | 0.031 |
| Married | 1605/1830 (88%) | 817/865 (94%) | 788/965 (82%) | <0.001 |
| Blood pressure | 0.002 | |||
| Normal state | 443/1833 (24%) | 181/866 (21%) | 262/967 (27%) | |
| Elevated state | 1390/1833 (76%) | 685/866 (79%) | 705/967 (73%) | |
| Glucose mean (SD) | 5.6 (1.67) | 5.5 (1.38) | 5.8 (1.88) | <0.001 |
| Diabetes | 119/1833 (6.5%) | 51/866 (5.9%) | 68/967 (7.0%) | 0.300 |
| BMI | <0.001 | |||
| Normal | 1160/1833 (63%) | 579/866 (67%) | 581/967 (60%) | |
| Obese | 78/1833 (4.3%) | 28/866 (3.2%) | 50/967 (5.2%) | |
| Overweight | 421/1833 (23%) | 170/866 (20%) | 251/967 (26%) | |
| Underweight | 174/1833 (9.5%) | 89/866 (10%) | 85/967 (8.8%) | |
| Abnormal ECG | 466/1662 (28%) | 248/779 (32%) | 218/883 (25%) | 0.001 |
*Mean (SD), n/N (%)
†Wilcoxon rank sum test; Pearson’s χ2 test.
BMI, body mass index.;