| Mean (SD) | Mean (SD) | P value | Mean (SD) | Mean (SD) | P value | |
| Age | 54 (16.2) | 54 (17.3) | 0.84 | 59.2 (13.9) | 57.7 (15.7) | 0.01 |
| Last health check-up (years ago) | 3.2 (4.3) | 3.3 (4.5) | 0.26 | 3.4 (4.4) | 3.5 (4.6) | 0.98 |
| Serum cholesterol (mg/dL) | 198.6 (41.4) | 196.1 (36.1) | 0.47 | 213.1 (39.7) | 211.3 (39.4) | 0.28 |
| Serum triglycerides (mg/dL) | 188.9 (124.2) | 183.2 (126) | 0.04 | 191.9 (126.2) | 184.4 (126) | 0.02 |
| Serum glucose (mg/dL) | 109.7 (100.9) | 106 (38.7) | 0.57 | 101.4 (31.4) | 100.9 (26.4) | 0.86 |