Differences (prevalence for qualitative variables and mean (SD) for quantitative variable) between follow-up sample and lost in both stages of the follow-up
| Lost (both stages) n=509 | Follow-up n=736 | p Value | |
|---|---|---|---|
| Sex | |||
| Men | 42.2% | 45.7% | 0.257* |
| Women | 57.8% | 54.3% | |
| Age (years) mean (SD) | 58 (39.00) | 49 (26.25) | <0.001† |
| Age | |||
| <45 | 35.2% | 43.9% | <0.001* |
| 45–64 | 22.0% | 37.5% | |
| ≥65 | 42.8% | 18.65 | |
| Educational level | |||
| Primary | 53.0% | 38.9% | <0.001* |
| Secondary | 20.5% | 24.2% | |
| Superior | 26.5% | 36.9% | |
| Smoking status (follow-up) | |||
| Smoker | 24.1% | 31.1% | 0.009* |
| No smoker | 75.9% | 68.9% | |
*χ2 test.
†Mann-Whitney test.