Table 2.
Characteristics of the study population
| N (%) | |
|---|---|
|
Gender (F) |
2502 (47.9%) |
|
Age (years) |
|
| 3-5 |
538 (10.3%) |
| 6-11 |
1429 (27.4%) |
| 12-15 |
1695 (32.5%) |
| 16-19 |
1562 (29.9%) |
|
Race/ethnicity |
|
| Mexican American |
1791 (34.3%) |
| Other Hispanic |
243 (4.7%) |
| Non-Hispanic Black |
1582 (30.3%) |
| Other/Multi Racial |
213 (4.1%) |
| Non-Hispanic White |
1395 (26.7%) |
|
Poverty Index Ratio (PIR) |
|
| <1.00 (below poverty level) |
1739 (33.3%) |
| 1.00-1.80 (low income) |
1260 (24.1%) |
| 1.81-3.53 (middle income) |
1220 (23.4%) |
| 3.54-5.00 (high income) |
1005 (19.2%) |
|
Serum cotinine (ng/mL) |
|
| >10 (likely smoker) |
428 (8.2%) |
| 1-10 (high SHS exposure) |
714 (13.7%) |
| <1 (no/low SHS exposure) | 4082 (78.1%) |