Table 2.

Model of 2IN2 asthma: 1998-2005, Province of Alberta, Canada

	Negative binomial			Poisson
Fixed effects	Estimate	SE	p-val	Estimate	SE	p-val
Intercept	-31.7507	5.0709	< 0.0001	-32.7726	3.3903	< 0.0001
Female	0.0427	0.0045	< 0.0001	0.0906	0.0016	< 0.0001
Agegroup	-0.5253	0.0120	< 0.0001	-0.3805	0.0046	< 0.0001
Agegroup2	0.0568	0.0023	< 0.0001	0.0225	0.0009	< 0.0001
Aboriginal	12.8256	5.5017	0.0202	24.0478	3.4640	< 0.0001
Year	0.0163	0.0025	< 0.0001	0.0167	0.0017	< 0.0001
Year * Aboriginal	-0.0065	0.0027	0.0186	-0.0121	0.0017	< 0.0001
Random effects	Estimate	SE		Estimate	SE
Large area (φ2)	0.0000	N/A		0.0000	N/A
Small area (τ2)	0.0000	N/A		0.0000	N/A
Municipality (υ2)	0.0236	0.0084		0.0390	0.0099
Slope - Aboriginal	0.1624	0.0156		0.1617	0.0145
Scale parameter	0.0493	0.0010		N/A	N/A
Generalized Χ2/d.f.		0.89			1.93