Efficacy of companion-integrated childbirth preparation for childbirth fear, self-efficacy, and maternal support in primigravid women in Malawi

Table 4 Comparison of the intervention and control group measures using simple linear regression

Variable	Factors	(β)	t	95% CI		R²	F (df)	P-value
Variable	Factors	(β)	t	Lower bound	Upper bound	R²	F (df)	P-value
Childbirth Fear	Study Group	−0.866	−14.274	−18.66	−14.08	0.75	203.75(1,68)	0.001
	Age	−0.059	0.213	− 0.59	0.18		88.40(1,66)	0.295
	Education Level	0.228	4.089	2.09	6.08		88.40(1,66)	0.001
Childbirth Self-Efficacy	Study Group	0.903	17.303	9 8.35	132.28	0.82	299.38(1,68)	0.001
	Age	0.001	0.011	−1.99	2.01		97.96(3,66)	0.991
	Education Level	− 0.041	− 0.771	− 14.47	6.40		97.96(3,66)	0.443
Birth Companion Support	Study group (follow-up)	0.781	10.322	5.74	8.49	0.61	106.55(1,68)	0.001
	Age	−0.035	0.452	− 0.32	0.20		34.68(3,66)	0.653
	Education level	−0.006	0.077	− 1.39	1.29		34.68(3,66)	0.938

β, Standardized Coefficient Beta; t, t - statistic; 95 CI, Confidence Interval; R², R Square; F, F-Statistic; df, degrees of freedom

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