Postpartum depression and partner support during the period of lactation: Correlation research and its influencing factors

Table 1 Edinburgh postnatal depression scale scores during lactation

Item	Dimension score (points)
Lack of emotion	1.91 ± 0.52
Anxiety	3.84 ± 1.05
Depression	3.76 ± 0.96
Total EPDS mean score	9.52 ± 1.53

EPDS: Edinburgh postnatal depression scale.

Table 2 Univariate analysis of edinburgh postnatal depression scale scores of parturients with different characteristics

Item	Number of cases	EPDS (scores)	t/F value	P value
Age (yr)			-1.904	0.058
≤ 30	95	9.31 ± 1.36
> 30	105	9.71 ± 1.65
Education level (yr)			0.246	0.864
Junior high school and below	41	9.63 ± 1.55
Secondary school or high school	72	9.51 ± 1.51
Junior college	62	9.40 ± 1.73
Bachelor’s degree or above	25	9.64 ± 1.53
Plan a pregnancy			-1.170	0.243
Yes	129	9.43 ± 1.55
No	71	9.69 ± 1.49
Number of births
Primary birth	118	9.38 ± 1.52	-1.450	0.149
Multiparous	82	9.71 ± 1.53
Prenatal sleep status			1.030	0.380
Good	84	9.57 ± 1.63
General	48	9.21 ± 1.50
Occasional insomnia	46	9.61 ± 1.18
Frequent insomnia	22	9.82 ± 1.79
Marriage harmony situation			-4.804	< 0.001
Harmonious	126	9.14 ± 1.35
Disharmonious	74	10.16 ± 1.59
Mode of delivery			1.759	0.080
Natural childbirth	110	9.69 ± 1.49
Cesarean section	90	9.31 ± 1.56
Neonatal health			-10.051	< 0.001
Healthy	137	8.92 ± 1.25
Unhealthy	63	10.83 ± 1.24

EPDS: Edinburgh postnatal depression scale.

Table 3 Dyadic coping inventory scores during lactation

Item	Dimension score (points)
Stress communication	26.79 ± 6.71
Mutual support	39.76 ± 9.63
Negative support	24.97 ± 6.68
Agent support	6.87 ± 1.92
Joint support	17.39 ± 4.19
DCI total average	115.78 ± 14.90

DCI: Dyadic coping inventory.

Table 4 Correlation between edinburgh postnatal depression scale and dyadic coping inventory during lactation

Dimensions	Lack of emotion	Anxiety	Depression	Total EPDS mean score
Stress communication	-0.150a	-0.252c	-0.163a	-0.327c
Mutual support	-0.282c	-0.165a	-0.185b	-0.326c
Negative support	0.178a	0.157a	0.205b	0.298c
Agent support	-0.087	0.117	0.046	0.080
Joint support	-0.238b	-0.158a	-0.301c	-0.357c
DCI total average	-0.248c	-0.172a	-0.167a	-0.308c

^aP < 0.05.

^bP < 0.001.

^cP < 0.0001.

EPDS: Edinburgh postnatal depression scale; DCI: Dyadic coping inventory.

Table 5 Variable assignment

Item	Assignment mode
Age	≤ 30 yr = 0, > 30 yr = 1
Education level	Junior high school and below = 0, secondary school or high school = 1, junior college = 2, Bachelor’s degree or above = 3
Plan a pregnancy	Yes = 0, no = 1
Number of births	Primary birth = 0, produce = 1
Prenatal sleep status	Good = 0, general = 1, occasional insomnia = 2, frequent insomnia = 3
Marriage harmony situation	Harmonious = 0, disharmonious = 1
Mode of delivery	Natural childbirth = 0, cesarean section = 1
Neonatal health	Healthy = 0, unhealthy = 1
Stress communication	-
Mutual support	-
Negative support	-
Agent support	-
Joint support	-
DCI total average	-

DCI: Dyadic coping inventory.

Table 6 Multiple stepwise regression analysis of postpartum depression during lactation by different characteristics and dyadic coping inventory.

Independent variable	Partial regression coefficient	Standard regression coefficient	t	P value
Marital harmony	0.903	0.190	4.765	< 0.001
Newborn health	1.069	0.194	5.524	< 0.001
Stress communication	-0.129	0.032	-4.074	< 0.001
Mutual support	-0.099	0.029	-3.389	0.001
Negative support	-0.061	0.030	-2.015	0.045
Joint support	-0.143	0.033	-4.361	< 0.001
DCI total average	0.085	0.029	4.765	0.004

R = 0.744, R² = 0.553, after the adjustment R² = 0.537, F = 33.957, P < 0.001. DCI: Dyadic coping inventory.