TABLE 2.

Characteristics of entered study in systematic review and meta‐analysis

First author	Type of study	Location	Tools	Sample size	Prevalence of PPD (%)
An 18	Cross‐sectional	China	EPDS ≥10	209	56.9
Ceulemans 19	Cross‐sectional	Ireland, Norway, Switzerland, Netherlands, United Kingdom	EPDS ≥13	5134	13
Stojanov 20	Cross‐sectional	Serbia	EPDS ≥10	108	14.8
Fallon 21	Cross‐sectional	UK	EPDS ≥13	614	43
Guvenc 22	Cross‐sectional	Turkey	EPDS ≥13	212	34.0
Hiiragi 23	Retrospective cohort	Japan	EPDS ≥9	279	14
Baran 11	Cross‐sectional	Poland	EPDS ≥11	130	40
Liang 24	Cross‐sectional	China	EPDS ≥10	864	30.0
Loret de Mola 25	Retrospective cohort	Brazil	EPDS ≥13	1042	29.3
Mariño‐Narvaez 26	Cross‐sectional	Spanish	EPDS ≥10	75	22.4
Oskovi‐Kaplan 27	Cross‐sectional	Turkey	EPDS ≥13	223	14.7
Ostacoli 28	Cross‐sectional	Italy	EPDS ≥11	163	44.2
Pariente 29	Retrospective cohort	Israel	EPDS ≥10	223	16.7
Spinola 30	Cross‐sectional	Italy	EPDS ≥12	243	44
Suárez‐Rico 31	Cross‐sectional	Mexico	EPDS ≥13	293	39.2
Suzuki 32	Cross‐sectional	Japan	EPDS ≥9	132	14.4
Myers 33	Cross‐sectional	United Kingdom	EPDS ≥11	162	47.5
Vatcheva 34	Cross‐sectional	Belgium	EPDS ≥13	34	26
Hui 35	Retrospective cohort	Hong Kong	EPDS ≥10	802	2.9
Hui 35	Retrospective cohort	Hong Kong	EPDS ≥10	925	14.4
Miranda 4	Cross‐sectional	Argentina	PDSS‐SF ≥17	305	37
Terada 36	Cross‐sectional	Japan	EPDS ≥9	461	7.6
Zanardo 13	Case – control	Italy	EPDS ≥12	91	26
Tarabay 37	Cross‐sectional	Saudi Arabia	EPDS ≥10	150	60.7
Madera 38	Case – control	Italy	EPDS ≥12	295	11.9

Abbreviations: EPDS, Edinburgh Postnatal Depression Scal; PDSS‐SF, Postpartum Depression Screening Scale‐Short Form; PPD, postpartum depression.

Bold values indicate statistically significant.