Anxiety and depression in recurrent implantation failure after frozen-thawed embryo transfer and efficacy of endometrial receptivity testing

Table 4 Multivariable logistic regression analysis of depression-associated risk factors in patients with recurrent implantation failure

Variable	β	SE	Wald	P value	HR	95%CI
Constant	-0.787	0.513	2.349	0.125	2.196	-
Age (0: ≤ 35, 1: > 35)	0.697	0.244	8.178	0.004	2.008	1.245-3.239
Educational attainment (0: Senior high school/technical secondary school or below, 1: College/bachelor’s degree or above)	0.533	0.245	4.732	0.030	1.705	1.054-2.757
Annual household income (0: < 5 thousand yuan)	-	-	13.930	0.001	-	-
1: 5-10 thousand yuan	-0.545	0.379	2.069	0.150	0.580	0.276-1.219
2: > 10 thousand yuan	-1.281	0.384	11.148	0.001	0.278	0.131-0.589
Residential area (0: Rural, 1: Urban)	-0.799	0.260	9.436	0.002	0.450	0.270-0.749
Infertility duration (0: < 3 years)	-	-	12.723	0.002	-	-
1: 3-5 years	0.642	0.304	4.475	0.034	1.901	1.048-3.446
2: > 5 years	1.141	0.321	12.643	0.000	3.129	1.669-5.868
Cause of infertility (0: Unexplained infertility)	-	-	11.126	0.011	-	-
1: Male-factor	-0.531	0.376	2.000	0.157	0.588	0.281-1.228
2: Female-factor	-0.824	0.362	5.201	0.023	0.438	0.216-0.891
3: Combined male-female-factor	-1.344	0.421	10.211	0.001	0.261	0.114-0.595
Number of failed implantation attempts (0: 2, 1: ≥ 3)	0.794	0.256	9.610	0.002	2.211	1.339-3.652

HR: Hazard ratio; CI: Confidence intervals.