Table 2.

Median [range] scores of surveys in the two cohorts after birth (T1) and after 12 months (T2)

Variable	Anxiety (BAI), scale 0–63	Depression (BDI-II), scale 0–63	Depression (EPDS), scale 0–30	Perceived stress (PSS-14), scale 0–40	Life Satisfaction (LS-4), scale 4–20	Posttraumatic Growth (PTGI), scale 0–105	Posttraumatic Stress Disorder Symptoms (IES-R7), scale 0–66
Interest group at T1 (N = 34)
All	6 [0–42]	4 [0–22]	7 [0–21]	18 [7–40]	7 [5–16]	–	13 [1–41]
Mothers	15 [1–42]	8 [2–22]	12 [2–21]	23 [7–40]	8 [5–14]	–	18 [6–41]
Fathers	5 [0–25]	2 [0–18]	4 [0–18]	16 [8–31]	7 [5–12]	–	9 [1–30]
Control group at T1 (N = 60)
All	5 [0–26]	2 [0–19]	3 [0–13]	16 [4–33]	5 [4–9]	–	–
Mothers	5 [0–26]	3 [0–11]	4 [0–13]	17 [4–33]	5 [4–9]	–	–
Fathers	3 [0–19]	1 [0–19]	2 [0–10]	16 [6–28]	5 [4–9]	–	–
P-value between the groups at T1	0.048	0.019	< 0.001	0.006	< 0.001	NA	NA
Interest group at T2 (N = 30)
All	5 [0–28]	8 [0–32]	7 [0–19]	20 [9–34]	7 [4–18]	42 [8–89]	9 [1–47]
Mothers	7 [1–27]	8 [2–32]	12 [2–21]	21 [9–34]	8 [5–13]	45 [19–89]	18 [1–47]
Fathers	2 [0–28]	7 [0–22]	4 [0–16]	19 [11–32]	7 [4–18]	41 [8–65]	5 [1–30]
P-value T1 vs. T2 in the interest group	0.018	0.265	0.242	0.874	0.411	NA	0.008
Control group at T2 (N = 42)
All	3 [0–15]	4 [0–21]	3 [0–15]	18 [3–34]	6 [4–12]	–	–
Mothers	3 [0–15]	7 [0–21]	5 [0–14]	18 [3–34]	6 [4–12]	–	–
Fathers	3 [0–13]	2 [0–14]	3 [0–15]	18 [12–27]	6 [4–10]	–	–
P-value T1 vs. T2 in the Control group	0.005	0.002	0.094	< 0.001	< 0.001	NA	NA
P-value between the groups at T2	0.029	0.021	0.026	0.093	0.109	NA	NA

BAI Beck Anxiety Inventory, BDI-II Beck Depression Inventory II, EPDS Edinburgh Postnatal Depression Scale, PSS-14 Perceived Stress Scale-14, LS-4 Life Satisfaction Scale-4, PTGI Posttraumatic Growth Inventory, IES-R Impact of Event Scale-Revised