Adjusted asthma care outcomes in children with persistent asthma estimated from GEE logistic and negative binomial models, stratified by race/ethnicity
| Latino (n=3087) | Non-Latino black (n=2103) | Non-Latino white (n=1475) | |
| Inhaled corticosteroids per year | RR (95% CI) | ||
| Household FPL categories | |||
| Under 100% | 1.05 (0.88 to 1.25) | 0.76 (0.62 to 0.94) | 0.89 (0.71 to 1.12) |
| ≥100% to <200% | 1.10 (0.94 to 1.30) | 0.78 (0.62 to 0.98) | 1.04 (0.79 to 1.37) |
| 200% or higher (ref.) | -- | -- | -- |
| Neighbourhood FPL categories | |||
| Under 100% | 1.13 (0.92 to 1.39) | 0.96 (0.84 to 1.10) | 1.25 (1.02 to 1.53) |
| ≥100% to <200% | 1.09 (0.99 to 1.20) | 1.04 (0.96 to 1.13) | 1.20 (1.06 to 1.36) |
| 200% or higher (ref.) | -- | -- | -- |
| Inhaled corticosteroid ever | OR (95% CI) | ||
| Household FPL categories | |||
| Under 100% | 1.11 (0.74 to 1.67) | 0.94 (0.52 to 1.70) | 1.26 (0.82 to 1.93) |
| ≥100% to <200% | 1.06 (0.69 to 1.65) | 1.18 (0.56 to 2.48) | 1.38 (0.88 to 2.18) |
| 200% or higher (ref.) | -- | -- | -- |
| Neighbourhood FPL categories | |||
| Under 100% | 0.74 (0.49 to 1.11) | 1.16 (0.91 to 1.48) | 2.13 (1.01 to 4.51) |
| ≥100% to <200% | 0.89 (0.77 to 1.03) | 1.18 (0.99 to 1.51) | 1.14 (0.86 to 1.50) |
| 200% or higher (ref.) | -- | -- | -- |
GEE-negative binomial and logistic models adjusted for age at first visit, sex, insurance, body mass index, asthma severity and visits per year.
Boldface indicates statistical significance.
FPL, federal poverty level; GEE, generalised estimating equations; RR, rate ratio.