Table 1.
The demographic characteristics of the study population.
| Demographic variable |
Children without asthma (n = 1,076) |
Children with asthma (n = 269) |
p-value |
|---|---|---|---|
| Gender, n, (%) | 1.000 | ||
| Male | 680 (63.2%) | 170 (63.2%) | |
| Female | 396 (36.8%) | 99 (36.8%) | |
| Age, mean ± SD | 3.55 ± 1.13 | 3.55 ± 1.13 | 1.000 |
| Household smoker, n, (%) | 0.593 | ||
| No | 764 (71.0%) | 198 (73.6%) | |
| Yes | 312 (29.0%) | 71 (26.4%) | |
| Ethnicity, n, (%) | <0.001 | ||
| Mexican American | 192 (17.8%) | 30 (11.2%) | |
| Other Hispanic | 95 (8.8%) | 22 (8.2%) | |
| Non-Hispanic white | 378 (35.1%) | 67 (24.9%) | |
| Non-Hispanic black | 225 (20.9%) | 110 (40.9%) | |
| Other race | 186 (17.4%) | 40 (14.8%) | |
| BMI | 16.50 ± 1.92 | 16.74 ± 2.26 | 0.118 |