Table 2.
Demographics for the genotyped GCC population, stratified for past or present asthma diagnosis.
| Variable1 | All participants (791) | Asthma (n=97) | No asthma (694) | P-value |
|---|---|---|---|---|
| Male sex (%) | 49.4 | 49.5 | 49.4 | 0.92 |
| Age at enrollment (median years, IQR) | 11.4 (7.6 - 14.6) | 12.6 (9.1 - 15.4) | 11.1 (7.4 - 14.5) | 0.01 |
| SHS exposure (%) | 19.8 | 20.6 | 19.7 | 0.95 |
| Household income | 0.001 | |||
| < $30K (%) | 10.1 | 20.6 | 8.7 | |
| $30K - $75K (%) | 39.8 | 33.0 | 40.7 | |
| > $75K (%) | 50.1 | 46.4 | 50.6 |
1
Categorical variables were presented as %, and p values were obtained by Chi-squared test. Age of enrollment was treated as a continuous variable and was presented as median years (IQR). P value for age of enrollment was obtained by Wilcoxon rank sum test.