TABLE 3.
Bivariate correlations of the included variables.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| (1) | RPs with sleeping/crying (SFS) | – | 0.29** | 0.25** | 0.33** | –0.16 | 0.52** | −0.25** |
| (2) | RPs with eating/feeding (SFS) | – | –0.04 | 0.18* | –0.02 | 0.44** | −0.22** | |
| (3) | Cohorta | – | 0.16* | 0.11 | 0.05 | –0.08 | ||
| (4) | Maternal depressive symptoms (EPDS) | – | –0.06 | 0.14 | −0.34** | |||
| (5) | Number of previous children | – | –0.02 | 0.02 | ||||
| (6) | Infant negative emotionality (IBQ) | – | –0.12 | |||||
| (7) | Maternal perceived social support (BSSS) | – |
RPs, regulatory problems; SFS, German Questionnaire for Crying, Feeding and Sleeping; EPDS, Edinburgh Postnatal Depression Scale; IBQ, Infant Behavior Questionnaire; BSSS, Berlin Social Support Scale.
aCohort: 0 = control group, 1 = COVID-19 group.
**p < 0.01, *p < 0.05, two-tailed.