Table 1.
Summary of Characteristics of the Study Sample at the Child Level
| Total | ||
|---|---|---|
| Variable | Unweighted N | Weighted % (SE) |
| Sociodemographic variable | ||
| Age | ||
| 6–13years | 15,815 | 68.3 (0.4) |
| 14–17years | 6696 | 31.7 (0.4) |
| Sex | ||
| Boy | 11,524 | 51.0 (0.5) |
| Girl | 10,987 | 49.0 (0.5) |
| Race/ethnicity | ||
| White | 7342 | 56.4 (1.3) |
| Black | 4992 | 14.4 (0.8) |
| Mexican Hispanic | 5762 | 14.8 (1.2) |
| Other Hispanic | 2415 | 7.0 (0.4) |
| Filipino | 275 | 1.0 (0.2) |
| Other Asians | 979 | 3.4 (0.2) |
| AI/AN/NHPI | 330 | 1.3 (0.3) |
| Other | 416 | 1.8 (0.2) |
| Highest education in family | ||
| ≤High school Some college | 9828 | 31.7 (0.9) |
| Some college | 6358 | 28.6 (0.6) |
| Bachelor’s | 3689 | 21.8 (0.7) |
| ≥Graduate | 2622 | 17.9 (0.8) |
| Income | ||
| Poor | 8815 | 25.0 (0.8) |
| Low | 4195 | 15.6 (0.4) |
| Middle | 5833 | 32.0 (0.7) |
| High | 3668 | 27.4 (0.9) |
| Insurance | ||
| Any private | 10,168 | 61.0 (1.0) |
| Public only | 10,666 | 32.4 (1.0) |
| Uninsured | 1677 | 6.6 (0.4) |
| Born in United States | ||
| No | 6522 | 17.3 (0.9) |
| Yes | 15,981 | 82.7 (0.9) |
| Language at home | ||
| Other | 1542 | 4.7 (0.2) |
| English | 20,952 | 95.3 (0.2) |
| Region | ||
| Northeast | 3347 | 16.8 (0.9) |
| Midwest | 4401 | 21.7 (0.9) |
| South | 8322 | 37.2 (1.1) |
| West | 6440 | 24.3 (1.0) |
| Health/behavior | ||
| Asthma | ||
| Yes | 2989 | 13.1 (0.3) |
| No | 19,522 | 86.9 (0.3) |
| Asthma medication | ||
| No asthma | 19,522 | 87.0 (0.3) |
| Both inhaler and preventive medicine | 1496 | 6.5 (0.2) |
| Inhaler only | 125 | 0.7 (0.1) |
| Preventive medicine only | 931 | 4.0 (0.2) |
| Neither inhaler nor preventive medicine | 417 | 1.8 (0.1) |
| ADHD | ||
| Yes | 2194 | 10.7 (0.4) |
| No | 20,314 | 89.3 (0.4) |
| Obesity | ||
| Normal | 13,771 | 83.1 (0.5) |
| Overweight | 2240 | 11.5 (0.4) |
| Obese | 1197 | 5.4 (0.2) |
| Behavioral problem | ||
| CIS< 15 | 19,636 | 86.4 (0.4) |
| CIS≥ 15 | 2875 | 13.6 (0.4) |
| Number of dental care visits, weighted mean (SE) | 22,511 | 1.38 (0.03) |
| Less healthy than other child | ||
| No | 20,720 | 93.0 (0.2) |
| Yes | 1776 | 7.0 (0.2) |
| Family structure variable | ||
| Family type Two-parent | ||
| Two-parent | 22,524 | 69.4 (0.8) |
| Single-parent | 12,236 | 27.9 (0.8) |
| No-parent | 1167 | 2.7 (0.2) |
| Family size | ||
| ≤4 | 18,632 | 58.2 (0.9) |
| >4 | 17,295 | 41.8 (0.9) |
| Number of elderly (≥65years), weighted mean (SE) | 35,927 | 0.05 (0.00) |
| Number of preschool children (≤5 years), weighted mean (SE) | 35,927 | 0.34 (0.01) |
| Number of adult age (≥18years) | ||
| 0–1 | 6255 | 15.0 (0.5) |
| 2 | 19,585 | 60.2 (0.7) |
| ≥3 | 10,087 | 24.8 (0.6) |
SE, standard error; AI, American Indian; AN, Alaskan Native; NHPI, Native Hawaiian and Pacific Islander; ADHD, attention-deficit hyperactivity disorder; CIS, Columbia Impairment Scale.