Table 4.

Comparison of EPDS scores between the two groups at different time points (x̅ ± s)

Groups	Case number	Before intervention	Intervention for 1 month	Intervention for 2 months	Intervention for 3 month	Ftime point	Finter-group	Finteraction
Combined group	49	13.45±2.48	11.27±2.89a	9.73±1.88a,b	6.49±1.61a,b,c	209.377	18.851	6.203
Regular group	47	14.49±3.63	12.87±2.14a	10.85±1.78a,b	9.45±2.35a,b,c
t		1.708	3.090	2.984	7.230
P		0.091	0.003	0.004	<0.001	<0.001	<0.001	<0.001

Note: Compared with before the intervention;

^a P<0.05.

Compared with the intervention for 1 month;

^b P<0.05.

Compared with the intervention for 2 months;

^c P<0.05.