Table 1.
Sample Characteristics (n = 25) for Infants Providing Hair Samples with Detectable Cortisol
| n (%) | ||
|---|---|---|
| Male | 16 (64) | |
| White race | 22 (88) | |
| Maternal perinatal steroids | 20 (80) | |
| Mean (SD)/Median1 | Min – Max | |
| PMA (weeks) | 30.1 (1.1) | 28.1 – 31.7 |
| Birthweight (g) | 1540 (387) | 770 – 2331 |
| PMA at collection (weeks) | 35.8 (1) | 34.6 – 38.1 |
| Hair mass collected (mg) | 3.3 (2.9) | 0.4 – 10.9 |
| Hair cortisol (pg/mg hair) | 23.7 (26.4) | 2.1 – 124.9 |
| Neonatal Medical Index | 51 | 2 – 5 |
Note. PMA = post-menstrual age; g = grams; mg = milligrams; pg = picograms