Table 2.
Summary of the association between factors and PLC
| Factors | Total case/control | Combined OR | 95%CI | χ2 (g = 1) | P |
| Liver diseases | |||||
| HBV infection | 3 390/4 604 | 11.34 | 8.72-14.75 | 327.60 | 0.000b |
| HCV infection | 1 737/2 534 | 4.28 | 3.30-5.56 | 119.93 | 0.000b |
| Liver cirrhosis | 1 689/2 609 | 11.97 | 6.19-23.19 | 54.46 | 0.000b |
| History of hepatitis | 3 625/4 903 | 5.71 | 4.11-7.92 | 108.12 | 0.000b |
| Family history | |||||
| Family history of PLC | 3 681/4 932 | 3.49 | 2.68-4.53 | 87.24 | 0.000b |
| Psychological factors | |||||
| Negative living events | 1 688/2 096 | 2.65 | 1.69-4.15 | 17.90 | 0.000b |
| Unstable emotion | 1 502/2 086 | 2.20 | 1.74-2.77 | 44.48 | 0.000b |
| Depressed character | 1 355/1 777 | 3.07 | 2.10-4.47 | 33.99 | 0.000b |
| Past history of exposure to poison | |||||
| Pesticide | 755/969 | 1.55 | 0.82-2.93 | 1.84 | 0.175 |
| Aflatoxin | 327/327 | 1.80 | 1.44-2.25 | 26.90 | 0.000b |
| Living style | |||||
| Alcoholic | 3 207/3 983 | 1.88 | 1.53-2.32 | 35.60 | 0.000b |
| Smoking | 2 408/3 347 | 1.24 | 1.09-1.41 | 10.90 | 0.001b |
| Intake of musty food | 623/723 | 1.87 | 1.42-2.47 | 19.74 | 0.000b |
| Intake of pickle | 1 233/1 602 | 1.69 | 1.34-2.13 | 47.56 | 0.000b |
| Intake of bean products | 814/1 158 | 0.74 | 0.29-1.90 | 0.13 | 0.718 |
| Tea | 656/870 | 0.69 | 0.31-1.51 | 0.88 | 0.348 |
| Drinking water from pond | 1 561/1 614 | 1.77 | 1.09-2.87 | 8.65 | 0.003b |
| Drinking water from river | 379/437 | 1.41 | 0.38-5.19 | 0.27 | 0.603 |
| Drinking water from well | 636/856 | 0.79 | 0.45-1.36 | 7.99 | 0.392 |
The values of c2 shown are statistical values of significant test of combined OR.
b
P<0.01 vs significant difference.