Table 3.

Negative Binomial Regression Models Predicting the Number of Days or Times of Health Service Utilization (n=126).

	Hospitalization		ED Visits		Asthma Specialist		Acute PCP Visits
	Beta	95% CI	Beta	95% CI	Beta	95% CI	Beta	95% CI
IG vs. WCA	2.17 *	0.51 – 4.26	1.22*	0.06 – 2.46	0.23	−0.78 – 1.27	1.21**	0.50 – 1.94
PCA vs. WCA	3.47 **	1.13 – 6.39	1.41	−0.47 – 3.41	1.01	−0.45 – 2.74	1.86**	0.85 – 2.91
Race	1.89	−0.28 – 4.66	3.06*	1.00 – 6.20	−0.56	−1.85 – 0.61	0.84	−0.08 – 1.91
Income	0.42	−0.32 – 1.31	0.18	−0.39 – 0.74	−0.10	−0.45 – 0.24	0.22	−0.06 – 0.51
Education	−0.23	−0.74 – 0.22	−0.16	−0.49 – 0.14	−0.12	−0.38 – 0.12	−0.05	−0.22 – 0.13
Constant	−3.13	−9.08 – 2.54	−3.03	−7.94 – 1.37	1.19	−2.08 – 4.68	−2.05	−4.55 – 0.18

	PCP For Routine Check Up		School Clinic Visits		Missed School Days
	Beta	95% CI	Beta	95% CI	Beta	95% CI
IG vs. WCA	0.41	−0.15 – 0.96	0.32	−0.76 – 1.47	1.99**	0.97 – 3.10
PCA vs. WCA	0.83 *	−0.02 – 1.62	0.69	−0.83 – 2.85	1.48	−0.19 – 3.63
Race	0.61	−0.11 – 1.36	−0.86	−2.09 – 0.34	1.86*	0.11 – 3.71
Income	0.13	−0.07 – 0.33	−0.16	−0.62 – 0.3	0.26	−0.15 – 0.72
Education	−0.04	−0.16 – 0.10	−0.27	−0.58 – 0.04	−0.12	−0.39 – 0.13
Constant	−0.95	−2.80 – 0.80	4.84	1.14 – 8.74	−1.37	−5.08 – 2.66

95%CI = 95% confidence interval;

^*p≤0.05;

^**p≤0.01.

IG = inaccurate group; WCA = well-controlled accurate group; PCA = poorly-controlled accurate group