Demographic characteristics in a sample of 1208 Latino and African-American children with asthma, from the GALA II (n=836) and SAGE II (n=372) parent studies, recruited between 2006 and 2011
| Characteristic | GALA II n (%) | SAGE II n (%) |
| Age (mean (SD)) | 13.1 (3.4) | 13.1 (3.4) |
| Male | 442 (52.9) | 201 (54.0) |
| Race/ethnicity | ||
| Mexican | 157 (18.8) | – |
| Other Latino | 15 (1.8) | – |
| Puerto Rican | 664 (79.4) | – |
| African American | – | 372 (100) |
| Maternal education | ||
| Fifth grade or less | 25 (3.0) | 0 (0) |
| Grades 6–11 | 183 (22.0) | 18 (4.9) |
| High school graduate or equivalent | 223 (26.8) | 103 (28.1) |
| At least some college | 401 (48.2) | 245 (66.9) |
| Health insurance | 806 (97.2) | 369 (99.2) |
| Any current smokers reported in household* | 159 (23.4) | 99 (26.6) |
| Recruitment region | ||
| Chicago | 74 (8.9) | – |
| Houston | 34 (4.1) | – |
| New York | 81 (9.7) | – |
| Puerto Rico | 598 (71.5) | – |
| SF Bay Area | 49 (8.9) | 372 (100) |
| Asthma control† | ||
| Controlled | 132 (19.4) | 123 (33.1) |
| Not well controlled | 265 (39.1) | 106 (28.5) |
| Very poorly controlled | 281 (41.4) | 143 (38.4) |
| Asthma exacerbations in the past 12 months† | ||
| Hospitalisations | 92 (11.1) | 8 (2.2) |
| ER visits | 478 (58.3) | 112 (31.2) |
| Oral steroid prescription | 370 (44.7) | 62 (17.0) |
Percentages for variables with missingness are based on the totals with complete data.
*Self-reported number of current smokers in the household is limited to 679 of the GALA II subjects.
†Asthma control was available for 678 of the GALA II subjects due to missingness in the information required for the variable definition. Information on asthma exacerbations was available in 1182, 1179 and 1192 subjects, respectively, for hospitalisations, ER visits and oral steroid prescription.
ER, emergency room; GALA, Gene-environments and Admixture in Latino Americans; SAGE, Study of African Americans, Asthma, Genes and Environments; SF, San Francisco.