TABLE I.
Weighted demographic characteristics for children 6 to 19 years of age from the US general population with data on current asthma (NHANES 2005–2014)
| Children with data on current asthma, regardless of paraben or covariate data available (n = 4465) | Children in the present study with data on parabens, current asthma, and covariates (n = 4023) | |||
|---|---|---|---|---|
| No. | Percent | No. | Percent | |
| Sex | ||||
| Boys | 2263 | 50.9 | 2068 | 51.6 |
| Girls | 2202 | 49.1 | 1955 | 48.4 |
| Age (y)* | ||||
| 6–11 | 2043 | 42.1 | 1832 | 42.7 |
| 12–19 | 2422 | 57.9 | 2191 | 57.3 |
| Race | ||||
| Non-Hispanic white | 1264 | 57.1 | 1159 | 58.0 |
| Non-Hispanic black | 1195 | 14.6 | 1101 | 14.7 |
| Mexican American | 1158 | 14.2 | 1032 | 13.9 |
| Other | 848 | 14.1 | 731 | 13.3 |
| Poverty income ratio | ||||
| <1.0 | 1371 | 23.8 | 1434 | 23.9 |
| ≥1.0 | 2786 | 76.2 | 2689 | 76.2 |
| Missing | 308 | — | ||
*
Mean age in years among the 4465 children with data on current asthma diagnosis was 12.6 (SD, 4.0) versus 12.5 (SD, 4.0) for the 4023 children in our present study with complete data on current asthma diagnosis, parabens, and covariates used in our analyses.