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Mean (standard deviation) cortisol levels (μg/dl) for mothers and infants at each time point.
| Mean (SD) | p value | ||
|---|---|---|---|
|
|
|||
| Formula-feeding dyads (n = 34) | Breastfeeding dyads (n = 20) | ||
| Mothers | |||
| Awakening | 0.39 (0.16) | 0.35 (0.27) | 0.86 |
| 30 min after waking | 0.45 (0.17) | 0.38 (0.19) | 0.81 |
| Bedtime | 0.07 (0.07) | 0.08 (0.10) | 0.81 |
| Infants | |||
| Awakening | 0.59 (0.87) | 0.75 (1.23) | 0.55 |
| 30 min after waking | 0.46 (0.54) | 0.61 (1.03) | 0.64 |
| Bedtime | 0.29 (0.45) | 0.35 (0.67) | 0.48 |
