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Table 1 Study characteristics and association between anaemia or iron deficiency during postnatal period and maternal postpartum depression

From: Effect of postpartum anaemia on maternal health-related quality of life: a systematic review and meta-analysis

Author & Year

Study Design and Setting

Risk of Bias

Sample Size

Assessment Tool

Effect measure and Significance

Sheikh et al. 2015 [20]

RCT double-blind, placebo; Iran

Low

N = 70 (iron supplementation; 35, placebo; 35)

EPDS (cut off: ≥ 11)

p = 0.03

Perello et al. 2014 [21]

RCT double-blind; Spain

Low

N = 72 anaemic (ferrous sucrose + oral iron; 36, placebo + oral iron; 36)

EPDS (cut off: ≥ 11)

P > 0.05

Beard et al. 2005 [22]

RCT, double-blind; South Africa

Low

N = 95 (30 in IDA-PL, 34 in IDA-Ferrous, & 31 in control)

EPDS (cut off: ≥ 10)

P < 0.005

Hamm et al. 2020 [23]

RCT open label; USA

Moderate

N = 66 (single RBCs; 33, multiple RBCs; 33)

EPDS (mean scores)

4 (1–11) vs 5.5 (2–8) p = .34

Holm et al. 2019 [24]

RCT open-label; Denmark

Moderate

N = 85 (Oral iron; 44, and Iron isomaltoside; 41)

EPDS (mean scores)

MD: -2.39 (95% CI: -3.62; -1.16) (p = .0002)

Paoletti et al. 2013 [25]

RCT open-label; Italy

Moderate

N = 852 (Group A: 424, Group B: 428)

EPDS (cut off: ≥ 12)

P < 0.05

Maeda et al. 2019 [26]

Prospective cohort; Japan

Moderate

N = 1128

EPDS ( cut off; ≥ 9)

AOR: 1.63 (95% CI: 1.17; 2.26)

Chandrasekaran et al. 2018 [9]

Prospective Observational; Canada

Moderate

N = 145/248

EPDS ( cut off; ≥ 10)

OR: 0.69 (95% CI: 0.15; 2.49)

Eckerdal et al. 2016 [27]

Nested Cohort; Sweden

Moderate

N = 446

EPDS (cut off; ≥ 12)

OR: 2.29 (95% CI:1.15; 4.58)

Alharbi et al. 2014 [28]

Case–Control; Saudi Arabia

Moderate

N = 352 (Case: 117, Control: 235)

EPDS ( cut off; ≥ 10)

AOR: 1.70 (95% CI: 1.05; 2.74) P = 0.03

Goshtasebi et al. 2013 [29]

Prospective Observational; Iran

Moderate

N = 281

EPDS (cut off ≥ 13)

AOR: 4.64 (95% CI: 1.33; 16.08)

Armony-Sivan et al. 2012 [30]

Prospective Observational; China

Moderate

N = 248 (confirmatory study)

EPDS ( cut off; ≥ 10)

r = 0.07

Albacar et al. 2010 [31]

Prospective Cohort; Spain

Moderate

N = 729

EPDS ( cut off; ≥ 9)

OR: 3.73 (95% CI: 1.84; 7.56) P = 0.0001

Miller et al. 2016 [32]

Prospective Observational; USA

High

N = 63

EPDS (cut off; ≥ 10)

P > 0.05

Corwin et al. 2003 [33]

Prospective Observational; USA

High

N = 37

CES-D

r = -0.381, P = 0.020

Paterson et al. 1994 [34]

Prospective observational; United Kingdom

High

N = 1010

EPDS scores

P > 0.05

  1. Abbreviations: AOR Adjusted Odds ratio, CES-D Epidemiological Studies-Depressive Symptomatology Scale, EPDS Edinburg Postpartum Depression Scale, IDA-PL Iron deficiency anaemia-placebo, r Pearson correlation coefficient