Table 3.
Relationship between infant characteristics and atopic dermatitis.
| Characteristic | Rate of atopic dermatitis N (%) or Mean (SD) |
P Value | OR [95% CI] |
|---|---|---|---|
| Sex | 0.62 | ||
| Female | 512 (26.2%) | ||
| Male | 552 (26.9%) | ||
| Race/ethnicity | <.001 | ||
| Asian | 55 (25.8%) | 1.6 [1.1, 2.2] | |
| Black | 583 (37.0%) | 2.6 [2.2, 3.2] | |
| Hispanic | 69 (24.1%) | 1.4 [1.0, 1.9] | |
| Multiracial | 31 (23.0%) | 1.4 [0.91, 2.2] | |
| Other | 50 (19.1%) | 0.97 [0.67, 1.4] | |
| White, non-Hispanic | 276 (17.9%) | 1.0 | |
| Payer | <.001 | 1.1 [0.91, 1.3] | |
| Private | 438 (23.3%) | ||
| Public | 622 (29.4%) | ||
| Delivery mode | .01 | 0.86 [0.73, 1.0] | |
| Caesarean section | 315 (24.1%) | ||
| Vaginal | 675 (27.8%) | ||
| NICU stay | <.001 | 0.99 [0.98, 1.0] | |
| No | 960 (27.8%) | ||
| Yes | 105 (18.8%) | ||
| NICU length of stay (days) | <.001 | ||
| No atopic dermatitis | 4.6 (20.1) | ||
| Atopic dermatitis | 2.0 (10.9) | ||
| Gestational age (weeks) | < .001 | 1.0 [0.99, 1.1] | |
| Early preterm (< 28 weeks) | 13 (10.9%) | ||
| Very preterm (28 to < 32 weeks) | 23 (19.0%) | ||
| Moderate to late preterm (32 to < 37 weeks) | 129 (28.8%) | ||
| Early term (37 to < 39 weeks) | 295 (27.1%) | ||
| Full term (39 to < 41 weeks) | 486 (27.5%) | ||
| Late/post term (41 weeks or greater) | 72 (23.9%) | ||
| Time to AD diagnosis (days) | .009 | ||
| Asian | 284 (268) | ||
| Black | 305 (317) | ||
| Hispanic | 358 (328) | ||
| Multiracial | 317 (325) | ||
| Other | 347 (371) | ||
| White | 377 (339) |