Research Article

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

Table 2

Age- and sex-specific asthma hospital dischargea rates and rate ratios for DMBA, Utah, and United States, 1997–2001.

Discharge rate per 1000Rate ratiob (95% confidence interval)
Age (yr)DMBAUtahUSUtahUS

Male0–42.084.367.062.10 (1.24–3.54)3.39 (2.01–5.73)
5–110.701.342.741.91 (0.99–3.69)3.91 (2.04–7.52)
12–1700.981.04cc
All ages0.652.113.353.25 (2.16–4.89)5.15 (3.43–7.75)

Female0–41.082.734.162.53 (1.20–5.31)3.85 (1.84–8.08)
5–110.650.951.821.46 (0.73–2.93)2.80 (1.40–5.60)
12–170.071.341.1419.14 (2.88–127.10)16.29 (2.46–108.00)
All ages0.471.62.223.40 (2.20–5.27)4.72 (2.90–7.71)

Total0–41.593.575.612.25 (1.46–3.45)3.53 (2.30–5.41)
5–110.681.152.281.69 (1.05–2.72)3.35 (2.09–5.38)
12–170.031.151.0938.33 (5.60–290.33)36.33 (4.80–275.00)
All ages0.561.872.803.34 (2.44–4.47)5.00 (3.65–6.84)

aICD-9 codes 493.00–493.99 as reported by the Utah Indicator-Based Information System for Public Health (Utah rates) and the National Hospital Ambulatory Medical Care Survey (US rates)
bReferent category is DMBA
cNo cases were reported in DMBA, precluding comparison to DMBA.