Antepartum sleep quality, mental status, and postpartum depressive symptoms: a mediation analysis

BMC Psychiatry

Table 3 Mediation analysis results for the relationship between antepartum depressive symptoms and postpartum depressive symptoms

	Total effect		Direct effect		Indirect effect		Percentage mediated
	Effect size (95% CI)	P value	Effect size (95% CI)	P value	Effect size (95% CI)	P value	Percentage mediated
1^st trimester
CES-D	0.084 (0.056, 0.112)	0.001	0.057 (0.026, 0.090)	0.001	0.027 (0.010, 0.044)	0.002	32.14%
PSQI	0.090 (0.029, 0.153)	0.003	0.090 (0.029, 0.153)	0.003
SAS	0.022 (-0.005, 0.050)	0.120	0.022 (-0.005, 0.050)	0.120
2^nd trimester
CES-D	0.107 (0.076, 0.140)	0.001	0.066 (0.032, 0.105)	0.001	0.042 (0.023, 0.062)	0.001	39.25%
PSQI	0.115 (0.044, 0.183)	0.002	0.115 (0.044, 0.183)	0.002
SAS	0.048 (0.015, 0.084)	0.008	0.048 (0.015, 0.084)	0.008
3^rd trimester
CES-D	0.144 (0.118, 0.171)	0.001	0.099 (0.064, 0.131)	0.001	0.045 (0.025, 0.067)	0.001	31.25%
PSQI	0.079 (0.021, 0.141)	0.009	0.079 (0.021, 0.141)	0.009
SAS	0.057 (0.024, 0.086)	0.001	0.057 (0.024, 0.086)	0.001

CES-D Center for Epidemiologic Studies Depression Scale, PSQI Pittsburgh Sleep Quality Index, SAS Self-Rating Anxiety Scale, CI Confidential interval

ISSN: 1471-244X