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 1000
Rate ratiob (95% confidence interval)
Age (yr)
DMBA
Utah
US
Utah
US
Male
0–4
2.08
4.36
7.06
2.10 (1.24–3.54)
3.39 (2.01–5.73)
5–11
0.70
1.34
2.74
1.91 (0.99–3.69)
3.91 (2.04–7.52)
12–17
0
0.98
1.04
—c
—c
All ages
0.65
2.11
3.35
3.25 (2.16–4.89)
5.15 (3.43–7.75)
Female
0–4
1.08
2.73
4.16
2.53 (1.20–5.31)
3.85 (1.84–8.08)
5–11
0.65
0.95
1.82
1.46 (0.73–2.93)
2.80 (1.40–5.60)
12–17
0.07
1.34
1.14
19.14 (2.88–127.10)
16.29 (2.46–108.00)
All ages
0.47
1.6
2.22
3.40 (2.20–5.27)
4.72 (2.90–7.71)
Total
0–4
1.59
3.57
5.61
2.25 (1.46–3.45)
3.53 (2.30–5.41)
5–11
0.68
1.15
2.28
1.69 (1.05–2.72)
3.35 (2.09–5.38)
12–17
0.03
1.15
1.09
38.33 (5.60–290.33)
36.33 (4.80–275.00)
All ages
0.56
1.87
2.80
3.34 (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.