Table 2.
Characteristics of the population screened at the early, middle, and later phase.
| Characteristics | Early phase | Middle phase | Later phase | P1 | P2 | P3 | P |
|---|---|---|---|---|---|---|---|
| Total (n) | 15680 | 15680 | 15680 | ||||
| Gender (men, n, %) | 8052 (51.4) | 11295 (48.5) | 8157 (52.0) | — | — | — | 0.015 |
| Age (years) | 43.6 ± 15.1 | 44.7 ± 15.5 | 43.4 ± 15.4 | <0.001 | 0.289 | <0.001 | <0.001 |
| Body mass index (kg/m2) | 24.6 ± 3.4 | 24.6 ± 3.4 | 24.4 ± 3.5 | — | 0.028 | 0.016 | <0.001 |
| Waist circumference (cm) | 85.1 ± 11.5 | 85.3 ± 12.4 | 84.8 ± 11.6 | — | 0.002 | <0.001 | <0.001 |
| Smoking status (n, %) | 2321 (14.8) | 3242 (13.9) | 1902 (12.1) | — | — | — | 0.002 |
| Drinking status (n, %) | 2965 (18.9) | 4287 (18.4) | 2458 (15.7) | — | — | — | <0.001 |
P1: early vs. middle phase; P2: early vs. later phase; P3: middle vs. later phase; P: for among-group comparison.