Table 6.
Breast cancer mortality risk by sex, using absolute risk Model 3, using data of Ozasa et al. (2012).
| Model number | Model/parameter fitted | EAR/104 person year/Sv (95% CI) | Temporal modifiers (95% CI) | Deviance | p-Valuea |
|---|---|---|---|---|---|
| 1 | Null model | — | — | 2221.65 | — |
| 2 | Male and female breast cancer (α) | 0.58 (0.27, 0.97) | — | 2203.91b | < 0.001 |
| 3 | Male breast cancer (αm) | 0.13 (–0.04c, 0.43) | — | 2185.32 | < 0.001 |
| Female breast cancer (αf) | 1.63 (0.98, 2.40) | — | — | — | |
| 4 | Adjusted for attained age (α) | 0.57 (0.24, 0.98) | — | 2198.63 | 0.022d |
| Attained age adjustment (per 10 years of age) (exp[β1]) | — | 1.37 (1.05, 1.88) | — | — | |
| 5 | Adjusted for time since exposure (α) | 0.53 (0.17, 0.96) | — | 2185.18b | < 0.001d |
| Time since exposure adjustment (per 10 years of time since exposure) (exp[β2]) | — | 2.11 (1.50, 3.48) | — | — | |
| 6 | Adjusted for age at exposure (α) | 0.59 (0.24, 0.98) | — | 2202.94 | 0.324d |
| Age at exposure adjustment (per 10 years of age at exposure) (exp[β3]) | — | 0.83 (0.48, 1.19) | — | — | |
| 7 | Adjusted for attained age and time since exposure (α) | 0.53 (0.18, 0.97) | — | 2185.07b | < 0.001d |
| Attained age adjustment (per 10 years of age) (exp[β1]) | — | 0.94 (0.63, 1.35) | — | 0.745e | |
| Time since exposure adjustment (per 10 years of time since exposure) (exp[β2]) | — | 2.20 (1.43, 3.87) | — | < 0.001f | |
| 8 | Adjusted for sex, time since exposure: males (αm) | 0.16 (0.02, 0.39) | — | 2159.70 | < 0.001e |
| Adjusted for sex, time since exposure: females (αf) | 1.53 (0.86, 2.31) | — | — | — | |
| Time since exposure adjustment (per 10 years of time since exposure) (exp[β2]) | — | 1.83 (1.45, 2.40) | — | — | |
| Note: ––, data not available. aUnless otherwise indicated the p-value represents the improvement in fit over the model in the row immediately above it; all model numbers refer to the leftmost column. bIndications of lack of convergence. cWald-based CI. dp-Value of improvement in fit over Model 2. ep-Value of improvement in fit over Model 5. fp-Value of improvement in fit over Model 4. | |||||