Table 3.

Model of residual cases of asthma: 1998-2005, Province of Alberta, Canada

	Negative binomial			Poisson
Fixed effects	Estimate	SE	p-val	Estimate	SE	p-val
Intercept	1.3819	0.0327	< 0.0001	1.3202	0.0232	< 0.0001
Female	0.1409	0.0079	< 0.0001	0.1679	0.0044	< 0.0001
Agegroup	-0.5916	0.0218	< 0.0001	-0.5257	0.0129	< 0.0001
Agegroup2	0.0721	0.0042	< 0.0001	0.0570	0.0025	< 0.0001
Aboriginal	-0.1121	0.0153	< 0.0001	-0.1053	0.0127	< 0.0001
Year	-0.2965	0.0078	< 0.0001	-0.2897	0.0043	< 0.0001
Year2	0.0329	0.0008	< 0.0001	0.0316	0.0005	< 0.0001
Random effects	Estimate	SE		Estimate	SE
Large area (φ2)	0.0212	0.0105		0.0235	0.0090
Small area (τ2)	0.0272	0.0085		0.0253	0.01003
Municipality (υ2)	0.0025	0.0054		0.0029	0.0053
Scale parameter	0.0349	0.0022		N/A	N/A
Generalized Χ2/d.f.		0.98			1.06