Table 1. General characteristics for all study participants in NMSC cases and controls.
| Variables | NMSC cases (n=660) | Controls (n=662) | P-values |
|---|---|---|---|
| Age (years) | 63.5±13.6 | 64.2±13.1 | 0.341 |
| Males N (%) | 464 (70.3) | 475 (71.8) | 0.561 |
| BMI (kg/m2) | 23.4±9.4 | 23.1±9.8 | 0.570 |
| Current smokers, N (%) | 255 (38.6) | 190 (28.7) | 0.0001 |
| Current alcohol drinkers, N (%) | 271 (41.1) | 290 (43.8) | 0.312 |
| Basal cell carcinoma, N (%) | |||
| 1 | 440 (66.7) | ||
| >1 | 220 (22.3) | ||
| Squamous cell carcinoma, N (%) | |||
| 1 | 403 (61.1) | ||
| >1 | 257 (38.9) | ||
| SCC/BCC simultaneously, N (%) | 356 (53.94) |