Table 5. The corrected hazard ratios of case–control data, and corrected relative risk of the earlier cohort study with recall rate categoriesa.
| Study design |
Case–control |
Cohort | |
|---|---|---|---|
| Matching by | Recall rate category | Municipality | |
| Age at death (years) | Hazard ratio (95% CI) | Hazard ratio (95% CI) | Relative risk (95% CI) |
|
Period of death:
1992–2003 | |||
| 50–69 | 0.70 (0.49–1.00) | 0.64 (0.45–0.92) | 0.72 (0.56–0.88) |
|
Period of death:
1992–2011 | |||
| 50–69 | 0.65 (0.48–0.89) | 0.61 (0.45–0.84) | NA |
| 50–84 | 0.73 (0.54–0.99) | 0.67 (0.49–0.90) | NA |
Abbreviations: CI=confidence interval; NA=not available.
a
Where controls were matched to cases by recall rate category or by municipality while other matching criteria were kept the same.