TABLE 2.
Parameter | Model 1 | Model 2 | Model 3 | |||
---|---|---|---|---|---|---|
(1) Total between-district variance in (log) risk | ||||||
COPD | Var(ηli) | 0.065 (0.063–0.068) | Var(ηli) | 0.065 (0.063–0.067) | Var(ηli) | 0.065 (0.063–0.067) |
Lung cancer | 0.042 | Var(η2i) | 0.041 (0.039–0.043) | Var(η2i) | 0.041 (0.039–0.043) | |
(2) Overdispersion variance | ||||||
COPD | 0.0039 (0.001–0.007) | 0.0006 (0.0001–0.0023) | 0.0006 (0.0001–0.0026) | |||
Lung cancer | — | — | 0.0031 (0.0013–0.0049) | 0.0031 (0.0013–0.0049) | ||
(3) Between-district variance of shared (log) risk |
0.039 (0.034–0.045) | 0.054 (0.046–0.063) | 0.061 (0.047–0.069) | |||
(4) Between-district variance of disease-specific residual (log) risk | ||||||
COPD | Var(ψi) | 0.019 (0.016–0.023) | Var(ψli) | 0.018 (0.015–0.021) | Var(ψli) | 0.0060 (0.0002–0.022) |
Lung cancer | — | 0 | — | 0 | Var(ψ2i) | 0.0065 (0.0002–0.013) |
(5) Fraction of total spatial variation shared with other disease | ||||||
COPD | 66.9% (61.1%–72.5%) | 75.0% (70.0%-79.5%) | 91.0% (71.4%–99.7%) | |||
Lung cancer | — | 100% | — | 100% | 83.9% (70.8%–99.5%) | |
(6) RR of COPD mortality associated with unit increase in smoking proxya |
exp(β) | 2.62 (2.44–2.80) | exp(β*) | 3.33 (2.94–3.74) | exp(δ2) | 3.74 (3.05–4.41) |
(7) Deviance | 904.3 | 914.0 | 913.8 | |||
(8) DIC | 1775.0 | 1694.2 | 1694.4 |
A difference of 1 unit in the value of the smoking proxy between 2 areas can be thought of as equivalent to a difference of 1 in the log relative risk of lung cancer in those 2 areas (see text for further explanation).