Single-pollutant | Multipollutant | Multipollutant (PCA) | ||||
---|---|---|---|---|---|---|
Model | Per cent | 95% CI | Per cent | 95% CI | Per cent | 95% CI |
GLMM | 3.07 | (0.91 to 5.27) | 1.94 | (−0.80 to 4.75) | 1.47 | (−1.17 to 4.17) |
Optimal GAMM* | 1.39 | (−1.08 to 3.93) | 1.83 | (−1.11 to 4.83) | 0.88 | (−2.03 to 3.88) |
GAMM+BMA | 1.38 | (−1.09 to 4.28) | 1.81 | (−1.12 to 4.85) | 0.87 | (−2.23 to 4.07) |
*Knots for days, temperature and barometric pressure are 14, 7 and 4, respectively.
BMA, Bayesian model averaging; GAMM, generalised additive mixed model; GLMM, generalised linear mixed model; MR, mortality rate; PCA, principal component analysis.