Table 1. Maternal and infant characteristics of all participants (n = 51) included in the study.

Maternal characteristics
Age (years)
Mean (SD)	32.04 (3.70)
Range (min, max)	26.00–40.00
Educational background
Middle job training, n (%)	8 (16)
Special college, n (%)	15 (29)
University, n (%)	26 (51)
Other, n (%)	2 (4)
Psychosocial distress
Postnatal stressa, median (IQR)	2.14 (1.83–2.50)
Postnatal general anxietyb, median (IQR)	27.0 (23.0–32.0)
Postnatal depressive symptomsc, median (IQR)	5.0 (3.0–7.0)
Infant characteristics
Infant gender
Boy, n (%)	25 (49)
Girl, n (%)	26 (51)
Gestational age at birth (weeks)
Mean (SD)	39.73 (1.66)
Range (min, max)	35.57–42.14

^a Alledaagse Problemen Lijst (Everyday Problem Checklist; EPL; scale: 0–6) [29].

^b State Trait Anxiety Inventory (STAI-S; scale: 20–80) [30].

^c Edinburgh Postnatal Depression Scale (EPDS; scale: 0–30) [31].