Table 2.

Comparison of the distribution of the dental caries variable in the non-imputed and imputed datasets

Number of teeth with caries	Non-imputed data (N=17,766 )	Imputed data (N=6,637)
		Poisson Model	Zero Inflated Poisson Model	Zero Inflated Poisson Model with County Random Effects
	%	%	%	%
None	93.66	89.01	94.19	94.14
1 or 2	3.72	9.54	2.68	2.92
3 or 4	1.47	1.21	1.78	1.75
5 or 6	0.52	0.19	0.86	0.79
7 or 8	0.24	0.04	0.34	0.28
9 or 10	0.13	0.01	0.11	0.10
11 to 20	0.26	0.00	0.04	0.02
Akaike’s Information Criterion (AIC) for model fit£		0.6372	0.6062	0.5965

^£Smaller value indicates better model fit