. Author manuscript; available in PMC: 2014 Sep 22.

Published in final edited form as: Int J Appl Earth Obs Geoinf. 2013 Jun;22:65–74. doi: 10.1016/j.jag.2012.03.011

Table 3.

Sensitivity to number of cells used in exposure modelling and misspecification of the distance–correlation parameter, φ. Relative risks (RR) per 10 μgm⁻³ PM₁₀ are shown together with associated 95% confidence intervals (CI).

Number of cells	φ = 0.09		φ = 1		φ = 10
Number of cells	RR	95% CI	RR	95% CI	RR	95% CI
9	1.017	(0.990–1.046)	1.017	(0.990–1.046)	1.017	(0.990–1.046)
25	1.012	(0.987–1.039)	1.012	(0.987–1.039)	1.012	(0.987–1.039)
81	1.025	(1.000–1.050)	1.024	(1.000–1.049)	1.026	(1.001–1.051)
400	1.027	(1.003–1.052)	1.040	(1.014–1.065)	1.039	(1.014–1.064)