Table 5.
ORs and 95% CIs according to combined effect of lung disease history, family cancer history and environmental exposure index score among non-smokers
| Risk factors# | Without family cancer history | With family cancer history | ||||||
|---|---|---|---|---|---|---|---|---|
| Without lung disease history | With lung disease history | Without lung disease history | With lung disease history | |||||
| Cs/cnt | OR (95%CI) | Cs/cnt | OR (95%CI) | Cs/cnt | OR (95%CI) | Cs/cnt | OR (95%CI) | |
| EEI-1 | ||||||||
| Low | 89/278 | 1.000 | 7/19 | 1.178 (0.469, 2.959) | 19/76 | 0.960 (0.543, 1.699) | 4/7 | 1.788 (0.497, 6.434) |
| Intermediate | 198/209 | 2.715 (1.977, 3.729) | 17/7 | 7.960 (3.111, 20.367) | 41/44 | 2.792 (1.684, 4.628) | 5/3 | 5.916 (1.336, 26.199) |
| High | 253/87 | 7.881 (5.547, 11.198) | 34/5 | 22.306 (8.335, 59.700) | 94/29 | 9.797 (5.990, 16.023) | 6/3 | 6.729 (1.577, 28.718) |
| p value (test for trend) | < 0.001 | |||||||
| EEI-2 | ||||||||
| Low | 89/278 | 1.000 | 7/19 | 1.178 (0.469, 2.959) | 19/76 | 0.960 (0.543, 1.699) | 4/7 | 1.788 (0.497, 6.434) |
| Intermediate | 198/209 | 2.715 (1.977, 3.729) | 17/7 | 7.960 (3.111, 20.367) | 41/44 | 2.792 (1.684, 4.628) | 5/3 | 5.916 (1.336, 26.199) |
| High | 253/87 | 7.881 (5.547, 11.198) | 34/5 | 22.306 (8.335, 59.700) | 94/29 | 9.797 (5.990, 16.023) | 6/3 | 6.729 (1.577, 28.718) |
| p value (test for trend) | < 0.001 | |||||||
The bold values represent P values less than 0.05
ORs were adjusted for sex, age, marriage, education, occupation
Cs/cnt Case/ControlOR odds ratio, CI confidence interval
#The indicated subgroups were categorized by the tertiles of environmental exposure index (EEI) in the cases and controls