Effect of short-term psychological intervention on anxiety of pregnant women with positive screening results for chromosomal disorders: a randomized controlled trial

Table 4 Effect of intervention on outcomes – per-protocol sample

Variables	Cognitive- behavioral educations group (n = 46)		Control group (n = 46)		MD^e (CI^f 95%)	ES^g (Between)	P-value (Between groups)
Variables	Mean (SD ^a)	ES ^h (within)	Mean (SD ^a)	ES ^h (within)	MD^e (CI^f 95%)	ES^g (Between)	P-value (Between groups)
State anxiety
^bPre intervention	63.88 (6.34)	–	59.90 (7.63)	–	3.98 (0.93 to7.02)	–	0.011
^cPost intervention	38.21 (9.35)	2.68	66.14 (11.35)	0.63	−30.44 (− 34.72 to − 26.16)	0.71	< 0.001
^dP-value (within groups)	< 0.001		< 0.001
Trait anxiety
^bPre intervention	57.76 (10.09)	–	55.71 (11.12)	–	2.095 (− 2.56 to 6. 75)	–	0.374
^cPost intervention	36.02 (7. 5)	2.17	63.97 (11.76)	0.69	−28.96 (− 32.65 to - 25.27)	0.75	< 0.001
^dP-value (within groups)	< 0.001		< 0.001

ISSN: 1471-2393