Table 2. Univariate and multivariate analysis for risk factors of incidence in young lung cancer population.
| Factors | Crude OR (95% CI) | P-value | Adjusted OR (95% CI) | P-value |
|---|---|---|---|---|
| Gender | ||||
| M | 1.0 | 0.18 | ||
| F | 1.3 (0.7, 1.9) | |||
| Occupational exposure | ||||
| General | 1.0 | < 0.01 | 1.0 | < 0.01 |
| High | 3.3 (1.7, 10) | 5.0 (2.0, 10) | ||
| Smoking | ||||
| In smoking or had smoking history | 1.0 | < 0.01 | 1.0 | < 0.01 |
| Non-smoking | 0.4 (0.2, 0.6) | 0.4 (0.3, 0.8) | ||
| Family history | ||||
| No | 1.0 | < 0.01 | 1.0 | < 0.01 |
| Yes | 1.6 (0.9, 3.0) | 1.7 (1.1, 3.2) | ||
| Disease type | ||||
| Adenocarcinoma | 1.0 | 0.27 | ||
| Small cell carcinoma | 0.9 (0.7, 1.3) | |||
| Squamous cell carcinoma | 1.5 (0.6, 2.7) | |||
| Others | 0.5 (0.2, 1.1) |