Table 4.

Adjusted Odds Ratio of Using Inhaled Corticosteroids (Past 30 Days) by Insurance Status and Disease Impairment

Predictor	Unadjusted Odds Ratio (95% CI)	Adjusted Odds Ratio (95% CI)
Insured (uninsured at each of three symptoms levels is reference category)
With no asthma symptoms	11.21 (2.36–53.19)	10.54 (2.24–49.71)
With intermittent asthma symptoms	4.96 (1.36–18.08)	4.51 (1.18–17.24)
With persistent asthma symptoms	1.21 (0.55–2.64)	1.18 (0.53–2.61)
Household income as % of FPL
0–99	Reference	Reference
100–199	0.83 (0.50–1.38)	0.79 (0.46–1.35)
200–399	0.83 (0.55–1.26)	0.79 (0.50–1.27)
≥400	1.09 (0.70–1.70)	1.07 (0.65–1.78)
Race/ethnicity
White non-Hispanic	Reference	Reference
Hispanic	0.73 (0.51–1.04)	0.88 (0.60–1.29)
Black non-Hispanic	1.39 (1.03–1.87)	1.27 (0.94–1.72)
Other	0.51 (0.21–1.24)	0.58 (0.25–1.36)
Child age (years)	1.00 (0.97–1.03)	1.03 (0.99–1.06)
Child gender (female)	0.79 (0.56–1.10)	0.91 (0.64–1.30)
Survey wave
2003–2004	Reference	Reference
2005–2006	1.85 (1.34–2.56)	1.90 (1.39–2.59)
2007–2008	1.84 (1.28–2.65)	1.99 (1.33–2.98)

Note. CI, confidence interval; FPL, federal poverty level.