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Means for neonatal sleep activity and mothers’ and newborns’ EEG and vagal tone (Field et al., 2004).
| Group | F | p | ||
|---|---|---|---|---|
| Depressed | Non-depressed | |||
| Indeterminate sleep (% time) | 54.0 | 35.5 | 9.50 | .005 |
| Movement (% time) | 71.0 | 62.0 | 5.80 | .05 |
| EEG in mothers | −0.015 | 0.01 | 14.60 | .001 |
| EEG in infants | −0.06 | 0.03 | 11.30 | .001 |
| Vagal tone in mothers | 3.7 | 4.1 | 7.90 | .05 |
| Vagal tone in newborns | 4.2 | 4.7 | 3.20 | .05 |
