Table 2. Multivariate logistic regression of predictors against asthma among children aged 6-17, National Survey of Children’s Health (NSCH), 2017-2018.
Abbreviations: NBW, Normal birth weight; NP, Not premature; LBW, Low birth weight; P, Premature
a Model adjusted for age, sex, race/ethnicity, household smoking, parent education, family structure, mold in the home, home pesticide use, composite indicator
b Interaction model: adjusted for age, sex, race/ethnicity, parental smoking, parent education, family structure, mold in home, home pesticide use, composite indicator
| Unadjusted Model | Model 1a | Model 2a | ||||
| Covariates | OR (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value |
| Age | ||||||
| 6 -11 years | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| 12-17 years | 1.26(1.11-1.43) | <0.001 | 1.34(1.17-1.53) | <0.001 | 1.34(1.18-1.54) | < .0001> |
| Sex | ||||||
| Females | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| Males | 1.35(1.19-1.53) | <0.001 | 1.28(1.13-1.46) | <0.001 | 1.28(1.13-1.46) | <0.001 |
| Race | ||||||
| White non-Hispanic | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| Hispanic | 1.17(0.97-1.40) | 0.08 | 1.18(0.96-1.45) | 0.12 | 1.18(0.96-1.45) | 0.11 |
| Black non-Hispanic | 1.83(1.55-2.16) | 0.003 | 1.89(1.54-2.30) | <0.001 | 1.89(1.55-2.30) | <0.001 |
| Multiracial/Others | 1.31(1.11-1.56) | <0.001 | 1.38(1.14-1.68) | <0.001 | 1.39(1.14-1.68) | <0.001 |
| Parental smoking | ||||||
| No | 1 (Reference) | |||||
| Yes | 1.39(1.19-1.64) | <0.001 | ||||
| Secondhand smoking | ||||||
| None | 1 (Reference) | 1 (Reference) | ||||
| Outdoor smoking | 1.39(1.16-1.66) | <0.001 | 1.27(1.06-1.52) | 0.009 | ||
| Indoor smoking | 1.50(1.08-2.09) | 0.02 | 1.46(1.01-2.11) | 0.04 | ||
| Parent education | ||||||
| Some college | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| Some high school | 1.03 (0.88-1.20) | 0.35 | 1.19 (0.991-1.43) | 0.06 | 1.19 (0.99-1.43) | 0.06 |
| Family structure | ||||||
| Two family structure | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| Single/no family structure | 1.22(1.07-1.40) | <0.001 | 1.10(0.91-1.23) | 0.47 | 1.07(0.92-1.25) | 0.40 |
| Mold in home | ||||||
| No | 1 (Reference) | 1 (Reference) | ||||
| Yes | 1.42(1.17-1.72) | <0.001 | 1.37(1.14-1.66) | <0.001 | 1.38(1.14-1.66) | <0.001 |
| Home pesticide use | ||||||
| No | 1 (Reference) | 1 (Reference) | 1 (Reference) | |||
| Yes | 1.03(0.91-1.18) | 0.44 | 0.94(0.82-1.07) | 0.35 | 0.94 (0.82-1.07) | 0.39 |
| Composite Indicator | ||||||
| NBW + NP | 1 (Reference) | 1 (Reference) | ||||
| LBW+ NP | 0.91(0.63-1.30) | 0.62 | 0.91(0.62-1.32) | 0.60 | ||
| NBW + P | 1.56(1.21-2.01) | <0.001 | 1.63(1.37-2.09) | <0.001 | ||
| LBW+P | 1.74(1.41-2.14) | <0.001 | 1.78(1.44-2.21) | <0.001 | ||
| Parental smoking*Composite indicator | ||||||
| NBW+NP (Smoking “yes” vs “No”) | 1.31(1.09-1.57) | 0.003 | ||||
| LBW+ NP (Smoking “yes” vs “No”) | 0.50(0.24-1.08) | 0.08 | ||||
| NBW + P (Smoking “yes” vs “No”) | 2.15(1.20-3.86) | 0.01 | ||||
| LBW+P (Smoking “yes” vs “No”) | 0.93(0.51-1.69) | 0.80 | ||||