Table 3.

Comparison of the outcomes in the intervention and control group according to parity and history of psychiatric treatment

		Intervention group		Control group		P value
		Number	Mean (SD)	Number	Mean (SD)
Parity	Primipara	91	2.58 (2.83)	55	4.51 (2.33)	< 0.001**
	Multipara	119	2.94 (2.87)	83	4.63 (2.80)	< 0.001**
History of psychiatric treatment	(−)	192	2.65 (2.57)	129	4.31 (1.81)	< 0.001**
	(+)	18	3.78 (5.20)	9	8.44 (6.84)	0.60

P value: The p value of the t-tests between the intervention and the control group SD: standard deviation

(−): Participants who did not have a history of psychiatric treatment

(+): Participants who had a history of psychiatric treatment