Demographic characteristics of participating infants
| Demographic information | |
|---|---|
| No. infants | 36 |
| Age at birth (weeks) | 39.0 (36.3–42.0) |
| Age at study (weeks) | 39.2 (36.6–43.3) |
| Postnatal age at study (d) | 2 (0–16) |
| Female infants | 15/36 |
| Infants receiving right heel stimulation | 20/36 |
| Weight at birth (g) | 3257 (1920–4750) |
| Cesarean deliveries | 18/36 |
Data are shown as the median (range) or as n/N and refer to number of infants, unless otherwise indicated.