Childhood Asthma Utilization Rates in a Nonsmoking Population of Utah Compared to State and National Rates

Table 3

Average annual age-specific asthma^a utilization rates for DMBA, Utah, and United States by location of care, 1997–2002.

		Utilization rate per 1000			Rate ratio (95% confidence interval)
Location	Age (yr)	DMBA	Utah	US	Utah	US
Emergency department^b	0–4	4.68	4.56	15.70	0.97 (0.78–1.22)	3.35 (2.68–4.19)
	5–11	2.46	2.61	9.76	1.07 (0.85–1.34)	3.97 (3.16–4.97)
	12–17	1.71	2.19	6.82	1.28 (1.00–1.64)	4.00 (3.12–5.09)
	All ages	2.56	3.07	10.39	1.20 (1.05–1.37)	4.00 (3.50–4.56)
Hospital outpatient department^b	0–4	1.23	—^d	10.69	—^d	8.69 (5.61–13.44)
	5–11	1.35	—^d	7.79	—^d	5.77 (4.25–7.82)
	12–17	1.53	—^d	5.40	—^d	3.53 (2.72–4.57)
	All ages	1.40	—^d	7.78	—^d	5.56 (4.64–6.65)
Physician office^c	0–4	33.73	—^d	70.04	—^d	2.08 (1.91–2.25)
	5–11	34.12	—^d	60.45	—^d	1.77 (1.67–1.88)
	12–17	35.94	—^d	38.61	—^d	1.07 (1.02–1.13)
	All ages	34.85	—^d	57.67	—^d	1.65 (1.60–1.71)

^aICD-9 codes 493.00–493.99
^bNational Hospital Ambulatory Medical Care Survey
^cNational Ambulatory Medical Care Survey
^dData not available for Utah.