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Postpartum depression (PPD) is a common mental health challenge in resource-constrained sub-Saharan Africa (SSA). Characterizing its correlates will aid prediction, early detection, and pre-emptive interventions. This review aimed to systematically synthesize and stratify PPD correlates in sub-Saharan Africa. The review was structured as per the Preferred Reporting Item for Systematic Reviews and Meta-Analyses. We included studies that reported the correlates of PPD in SSA. We searched PubMed, Medline, CINAHL, Academic Search Complete, and PsycINFO for relevant peer-reviewed literature. The correlates of PPD constituted the primary outcome. A random effect model was fitted to estimate the pooled correlation coefficient per correlate. The clinical relevance of correlates was stratified based on strength of correlation (r) and recurrence (f). The mean age of the participants was 27.0 ± 6.0 years, and 68.6% of participants had completed at least secondary education. The correlates of PPD in SSA were intimate partner violence (IPV) ((risk weight (rw) = 2.8; r = 0.212 (confidence interval (CI): 0.11–0.31), poor social support (PSS) (rw = 1.9; r = 0.250 (0.133–0.361)), unwanted pregnancy (UP) (rw = 1.6; r = 0.279 (CI: 0.14–0.41); I2 = 95.89), and maternal age (MA) (rw = 0.96; r = 0.27 (CI: 0.154–0.37)), among others. A cumulative risk weight of ⩾0.95 was predictive of PPD and marks the critical point at which preemptive interventions should be instituted. The stratification of risk PPD factors and computation of risk stability index are useful in identifying the clinical significant risk factors. The provision of critical risk point will simplify early detection thus facilitating cost-effectiveness. Of the correlates of PPD in SSA, IPV, PSS, UP, and MA are the most important. Targeted screening and pre-emptive interventions for women with high risk weight may be a reasonable strategy both in the short and long term. [ABSTRACT FROM AUTHOR]

Postpartum depression (PPD) is a significant public health concern in resource-constrained sub-Saharan Africa (SSA). Efforts to combat this burden are hampered by the region's wide variation in reported prevalence. This review aimed to systematically synthesize up-to-date data on PPD in SSA. The review was structured per the Preferred Reporting Item for Systematic Reviews and Meta-analyses. Included in the review were studies that reported the prevalence of PPD in SSA. A search was undertaken of PubMed, Medline, CINAHL, Academic Search Complete, and PsycINFO. A random-effect model was fitted to estimate the pooled burden of postpartum depressive symptoms in SSA. We conducted subgroup analyses to estimate the distribution of postpartum depressive symptoms based on important study characteristics: sample size, the timing of diagnosis, design, study setting/region, instrument, and income/economy. The prevalence of postpartum depressive symptoms ranged from 3.8% to 69.9%, with a pooled estimate of 22.1% (CI 18.5-26.2; I² = 98.2; Tau = 0.848; p<0.001). There was a significant variation in postpartum depressive symptoms with sample size (p<0.001). The highest prevalence (25.6% CI 21.5-30.1) was obtained within 12 weeks postpartum. The prevalence estimate was highest (23.3%; CI 20.1-26.8) with the Edinburgh Postnatal Depression Scale (EPDS). South Africa (30.6%; CI 23.6-38.7) and Zimbabwe (29.3%; CI 22.2-37.5) reported the highest prevalence rates, while Tanzania (13.5%; CI 10.1-17.9) reported the lowest prevalence estimates. Upper-middle SSA countries presented the highest prevalence rates (30.6%; CI 23.6-38.7). The prevalence was highest within the period 2010-2015. PPD constitutes a significant health burden in SSA and is fast becoming an epidemic in southern Africa. Significance: * Given that PPD is a recurring mental health challenge among women in sub-Saharan Africa, there is an urgent need for strategic policy provisions to ameliorate its burden. * An increase in prevalence of PPD from 2005-2010 to 2015-2021 is indicative of the need for national governments to intensify efforts targeted at achieving the UN Sustainable Development Goals 3 and 5 in the region. * In SSA, the prevalence of PPD is highest (approximately 30%) in Southern Africa, precisely South Africa and Zimbabwe, where it is fast becoming an epidemic; hence strategies are needed to curtail its growing trend. * There is a need to characterise and stratify the risk factors of PPD in sub-Saharan to guide policy development of predictive algorithms and implementation strategies. [ABSTRACT FROM AUTHOR]