Table 1.
Descriptive statistics for the population of 13,114 children between 6–9 years old with asthma from the TABS cohort between 2005 and 2010. Percentages are given for categorical variables and medians with interquartile ranges for continuous variables [IQR].
| Characteristic (N with variable) | N | Percent |
|---|---|---|
| Marital Status (13113) | ||
| Single | 8198 | 63% |
| Married | 4915 | 37% |
| Maternal Age (13084) | 22 [19, 26] | |
| Maternal Education (13093) | ||
| 1. less than high school | 5343 | 41% |
| 2. high school | 6184 | 47% |
| 3. more than a high school | 1566 | 12% |
| Maternal smoking (13093) | ||
| Smoking | 4016 | 31% |
| Non-smoking | 9077 | 69% |
| Maternal asthma (7935) | ||
| Asthma | 538 | 7% |
| No Asthma | 7397 | 93% |
| Maternal Race (12937) | ||
| White | 8238 | 64% |
| Black | 4354 | 34% |
| Hispanic | 345 | 3% |
| Infant Race (12182) | ||
| White | 7545 | 62% |
| Black | 4260 | 35% |
| Hispanic | 377 | 3% |
| Gestational Age (days) (13114) | 274 [265,281] | |
| Birthweight (grams) (13114) | 3175 [2778,3515] | |