Table 1.
Comparison of general information between the 2 groups.
| Variable | Observation group (n = 66) | Control group (n = 174) | χ2/t | P |
|---|---|---|---|---|
| Age (yr) | 47.23 ± 4.97 | 46.56 ± 4.83 | 0.896 | .341 |
| Gender (male/female) | 30/36 | 74/100 | 0.167 | .683 |
| Smoking history | 0.389 | .533 | ||
| Yes | 40 (60.61) | 113 (64.94) | ||
| No | 26 (39.39) | 61 (35.06) | ||
| Drinking history | 0.325 | .569 | ||
| Yes | 36 (54.55) | 102 (58.62) | ||
| No | 30 (45.45) | 72 (41.38) | ||
| BMI (kg/m2) | 22.15 ± 2.94 | 22.77 ± 2.76 | 0.506 | .673 |
| Comorbidities | ||||
| Diabetes | 22 (33.33) | 49 (28.16) | 0.615 | .433 |
| Hypertension | 27 (40.91) | 68 (39.08) | 0.067 | .796 |
| Educational level | 0.005 | .944 | ||
| >High school | 30 (45.45) | 80 (45.98) | ||
| <High school | 36 (54.55) | 94 (54.02) |