Table 1 Distribution of selected demographic variables and risk factors in GC patients and controls
Variable | Overall cases (n = 490) | Overall controls (n = 1476) | P a |
|---|---|---|---|
N (%) | N (%) | ||
Age (years) | 60.65 ± 11.43 | 61.30 ± 9.60 | 0.220 |
Age (years) | 0.597 | ||
≥ 61 | 269 (54.90) | 790 (53.52) | |
< 61 | 221 (45.10) | 686 (46.48) | |
Sex | 0.891 | ||
Male | 331 (67.55) | 1002 (67.89) | |
Female | 159 (32.45) | 474 (32.11) | |
Alcohol use | < 0.001 | ||
Never | 374 (76.33) | 1319 (89.36) | |
Ever | 116 (23.67) | 157 (10.64) | |
Smoking status | 0.001 | ||
Never | 309 (63.06) | 1051 (71.21) | |
Ever | 181 (36.94) | 425 (28.79) | |
BMI (kg/m2) | 22.41 ± 3.12 | 23.95 ± 3.05 | < 0.001 |
BMI (kg/m2) | |||
< 24 | 356 (72.65) | 761 (51.56) | < 0.001 |
≥ 24 | 134 (27.35) | 715 (48.44) |