Table 2

Male cohort: Age-adjusted association of HCC mortality rates with suspected risk factors

Status at study entryPerson-yearsNo. of HCCRR95% CI
History of acute hepatitis
Family history of HCC
Current cigarette smoking
Current alcohol drinking (≥4 drinks/week)
Current tea drinking (≥4×/week)
Drinking well water in 1980s
Corn as staple food in 1980s