TABLE 1.
Demographics and clinical characteristics at baseline
| CHARACTERISTIC | ADOLESCENT FEMALE GROUP (12-17 YRS OF AGE) [n=347] | ADULT FEMALE GROUP (≥18 YRS OF AGE) [n=434] | p VALUE |
|---|---|---|---|
| Age, yrs, mean ± SD (range) | 14.4 ± 1.6 (12-17) | 27.4 ± 7.8 (18-63) | <0.001 |
| Race/ethnicity, n (%) | |||
| Whitea | 266 (76.7) | 267 (61.5) | |
| Black | 50 (14.4) | 106 (24.4) | |
| Hispanic | 27 (7.8) | 42 (9.7) | 0.0001 |
| Asian | 1 (0.3) | 13 (3.0) | |
| Multiracialb | 1 (0.3) | 3 (0.7) | |
| Otherc | 2 (0.6) | 3 (0.7) | |
| GAAS* | 2.5 ±0.6 | 2.5 ±0.6 | 0.2 |
| Inflammatory lesions | 29.0 ±8.9 | 27.5 ±8.1 | 0.0233 |
| Noninflammatory lesions | 50.1 ± 22.5 | 42.3 ± 23.4 | <0.0001 |
| Total lesions | 79.0 ± 26.6 | 69.8 ± 25.9 | <0.0001 |
Data are reported as mean ± SD unless otherwise indicated.
*
GAAS=global acne assessment scale
a
Arabic, Armenian, eastern European, Egyptian, Palestinian, South American, Turkish, white
b
Biracial, black/white, and black/Hispanic
c
Brazilian, Indian, Metis, Native American, Asian Indian, East Indian, and Mulatto