Table 5. Odds ratio for lung cancer according to the type of cancer in first-degree relatives.
| Type of cancer in relatives1 | Cases (n = 334) | Controls (n = 578) | OR2 (95% CI) |
|---|---|---|---|
| OR adjusted for gender, age and socioeconomic status2 | |||
| No cancer3 | 239 | 452 | 1.0 |
| Not tobacco-related cancers | 30 | 54 | 1.02 (0.63 – 1.66) |
| Tobacco-related4 | 53 | 60 | 1.67 (1.11 – 2.53) |
| Lung | 12 | 12 | 1.73 (0.75 – 3.96) |
| OR adjusted for gender, age, socioeconomic status and smoking5 | |||
| No cancer3 | 230 | 429 | 1.0 |
| Not tobacco-related cancers | 29 | 53 | 0.93 (0.55 – 1.57) |
| Tobacco-related3 | 50 | 58 | 1.36 (0.87 – 2.14) |
| Lung | 12 | 12 | 1.21 (0.50 – 2.92) |
1
Parents and siblings
2
Considering four levels, from level 1 (lowest level) to level 4 (highest level), based on a combination of income per capita and level of education
3
Reference category
4
Bladder, larynx, esophagus, oral cavity, pharynx, pancreas, kidney and renal pelvis
5
Pack-years.