Table 2.

Regression analysis to evaluate the influence of covariates on primary and secondary outcomes

		Std. Err.	B	p value	95% CI
Cord detachment timing (χ2 = 109.251, p value < 0.001)	Birth weight	0.000	0.000	0.384	0.999 to 1.000
	5-min Apgar score	0.132	0.126	0.340	0.875 to 1.470
	Spring season	0.196	− 0.590	0.003	0.378 to 0.814
	Type of delivery	0.145	− 0.032	0.825	0.729 to 1.287
	Group assignment	0.188	− 1.344	< 0.001	0.180 to 0.377
Parents’ stress level (R2 = 0.136, R2 adj. = 0.119)	Primiparity	0.258	− 0.022	0.931	− 0.531 to 0.487
	Age of mother	0.027	0.029	0.289	− 0.025 to 0.082
	Cord difficulty level	0.059	− 0.287	< 0.001	− 0.403 to − 0.171
	Group assignment	0.241	0.517	0.033	0.042 to 0.993

Entries in italic underline the statistical significance of the values