Table 1 ESCC risk factors and ESCC risk in a Chinese population
Characteristics | Cases | Controls | χ 2 | P value | ||
|---|---|---|---|---|---|---|
No | % | No | % | |||
Sex (Male) | 0.00 | 1.000 | ||||
Male | 168 | 58.95 | 336 | 58.95 | ||
Female | 117 | 41.05 | 234 | 41.05 | ||
Age group (years) | 0.24 | 0.878 | ||||
<50 | 97 | 34.02 | 191 | 33.51 | ||
≥50 | 188 | 65.96 | 379 | 66.49 | ||
Education level | 13.62 | 0.001 | ||||
Below middle school | 146 | 51.23 | 223 | 39.12 | ||
middle school | 105 | 36.84 | 284 | 49.82 | ||
High school or higher | 34 | 11.93 | 63 | 11.05 | ||
Marital status | 2.02 | 0.365 | ||||
Marriage | 259 | 90.88 | 518 | 90.88 | ||
Single | 26 | 9.12 | 52 | 9.12 | ||
Job | 22.54 | 2.5 × 10-6 | ||||
Farmer | 235 | 82.46 | 382 | 67.02 | ||
Non-farmer | 50 | 17.54 | 188 | 32.98 | ||
Household income, RMB/Month | 0.71 | 0.339 | ||||
<1000 | 180 | 63.16 | 243 | 42.63 | ||
>1000 | 105 | 36.84 | 227 | 39.82 | ||