Table IV.

Stepwise Multiple Regression Analysis to Predict Urgent Care Utilization

Predictor variables	β (SE)a	R2	R2 Change	F Change
Step 1 – Demographics		0.04	0.04	2.13
Child’s age	−0.20 (0.11)*
Insurance Type	0.19 (0.22)
(Private v. Public)
Relationship Status	0.27 (0.21)
(Not married v. Married)
Step 2 – Illness severity		0.13	0.09	5.16**
Health Status	0.84 (0.23)**
(Poor/Fair v. Good/VG/EX)
Step 3 – Additiona Factors		0.26	0.13	8.31**
Illness-related Stress	0.12 (0.03)**

^*p<0.05

^**p<0.005

^aEstimates are specific to the step that each variable was first entered