The Relationship Between the Social Determinants of Health and Preterm Birth in Iran Based on the WHO Model: A Systematic Review and Meta-analysis

Sharifi, Nasibeh; Dolatian, Mahrokh; Kazemi, Azita Fath Nezhad; Pakzad, Reza

doi:10.15296/ijwhr.2018.19

Cited by 10 publications

(12 citation statements)

References 27 publications

(40 reference statements)

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“…The pooled estimate shows that those with inadequate (< 4) ANC visits were more likely to give PTB compared to those with adequate ANC visits. It is consistent with results of other studies [47,57,58]. Likewise, having at least one ANC visit was associated with reduced chance of having PTB compared to no ANC visits.…”

Section: Discussionsupporting

confidence: 93%

Epidemiology of preterm birth in Ethiopia: systematic review and meta-analysis

Muchie

Lakew

Teshome

et al. 2020

BMC Pregnancy Childbirth

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Background Globally, complications of preterm birth are among the most common cause of neonatal mortality. In Ethiopia, the neonatal mortality reduction is not worthy of attention. Hence, this study reviewed the prevalence of preterm birth and factors associated with preterm birth in Ethiopia. Methods The review protocol of this study has been registered in PROSPERO (CRD42017077356). The PRISMA guideline was followed for this review. Studies that assessed the prevalence and/or associated factors of preterm birth in Ethiopia and published from Jan 01, 2009 to Dec 31, 2019 were considered. Studies were searched from the PubMed and Science Direct among medical electronic databases and Google Scholar. Random-effects model was used for detected heterogeneity among studies. Publication bias and sensitivity analysis were assessed. Pooled estimates with its 95% confidence interval were reported using forest plots. The quality of evidence from the review was assessed using GRADE approach. Results Twenty-two studies involving a total of 12,279 participants were included. The overall pooled prevalence of preterm birth in Ethiopia was 10.48% (95% CI: 7.98–12.99). Pooled odds ratio showed rural residence (AOR = 2.34, 95% CI: 1.35–4.05), being anemic (AOR = 2.59, 95% CI: 1.85–3.64), < 4 antenatal care visits (AOR = 2.34, 95%CI: 1.73–3.33), pregnancy induced hypertension (AOR = 3.49, 95% CI: 2.45–4.97), prelabor rapture of membrane (AOR = 4.42, 95% CI: 2.28–8.57), antepartum hemorrhage (AOR = 5.02, 95% CI: 2.90–8.68), multiple pregnancies (AOR = 3.89, 95% CI: 2.52–5.99), past adverse birth outcomes (AOR = 3.24, 95% CI: 2.53–4.15) and chronic illness (AOR = 4.89, 95%CI: 3.12–7.66) were associated with increased likelihood of preterm birth. Further, support during pregnancy was associated with reduced occurrence of preterm birth. Conclusion The pooled national level prevalence of preterm birth in Ethiopia is high. Socio demographic, nutritional, health care, obstetric and gynecologic, chronic illness and medical conditions, behavioral and lifestyle factors are the major associated factors of preterm birth in Ethiopia. This evidence is graded as low grade. Thus, efforts should be intensified to address reported risk factors to relieve the burden of preterm birth in the study setting, Ethiopia.

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Section: Discussionsupporting

confidence: 93%

Epidemiology of preterm birth in Ethiopia: systematic review and meta-analysis

Muchie

Lakew

Teshome

et al. 2020

BMC Pregnancy Childbirth

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“…Women who attended ANC < 4 times had higher probability to have PTB. This finding is comparable with systematic review and meta-analysis study conducted in Iran [16]. Likewise, the absence of ANC was significantly associated with PTB.…”

Section: Discussionsupporting

confidence: 88%

“…Many studies in different settings of the world revealed the contributing factors of PTB as physical activity [8], maternal cardiovascular disease [9], delivering by previous cesarean section [10], had history of miscarriage [11], and history of PTB [11][12][13]. The contributing factors for PTB also include pregnancy interval [14], body mass Indexes(BMII) [11], antenatal care(ANC) [12,15,16], multiple pregnancy [17], antepartum hemorrhage(APH) [15],urinary tract infections(UTI) [11], premature rupture of membrane(PROM) [15,18], and pregnancy induced hypertension(PIH) [17,19]. Moreover, marital status [12], polyhydramnios or oligohydramnios and genitourinary infections [20], periodontal disease [11], ascending infection (bacteriuria) [21] and exposure to intimate partner violence (IPV) [15,22] are included in contributing factors of PTB.…”

Section: Introductionmentioning

confidence: 99%

Determinants of preterm birth among mothers who gave birth in East Africa: systematic review and meta-analysis

Laelago¹,

Yohannes

Tsige

2020

Ital J Pediatr

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Background: Preterm birth (PTB) can be caused by different factors. The factors can be classified into different categories: socio demographic, obstetric, reproductive health, medical, behavioral and nutritional related. The objective of this review was identifying determinants of PTB among mothers who gave birth in East African countries. Methods: We have searched the following electronic bibliographic databases: PubMed, Google scholar, Cochrane library, AJOL (African journal online). Cross sectional, case control and cohort study published in English were included. There was no restriction on publication period. Studies with no abstracts and or full texts, editorials, and qualitative in design were excluded. Funnel plot was used to check publication bias. I-squared statistic was used to check heterogeneity. Pooled analysis was done by using fixed and random effect model. The Joanna Briggs Critical Appraisal Tools for review and meta-analysis was used to check the study quality. Results: A total of 58 studies with 134,801 participants were used to identify determinants of PTB. On pooled analysis, PTB was associated with age < 20 years (AOR 1.76, 95% CI: 1.33-2.32), birth interval less than 24 months (AOR 2.03, 95% CI 1.57-2.62), multiple pregnancy (AOR 3.44,95% CI: 3.02-3.91), < 4 antenatal care (ANC) visits (AOR 5.52, 95%

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“…The start of a healthy life has been described as a fundamental requirement for each child, and the effects of a good start will remain for a lifetime. Impaired growth can increase physical health risks during life (1, 2). Preterm labor and low birth weight are among the most important indicators for assessing the status of newborns and determining the survival rate in different countries (3).…”

Section: Introductionmentioning

confidence: 99%

“…Today, health prospect has improved and attention has been focused on the social determinants of health; in recent years, social determinants of health have been considered as the most complex and controversial issues in the area of health policy (9). According to the conceptual framework, Social determinants of health include 4 parts: structural determinants, intermediate determinants, Socioeconomic and political context and the level of health inequity that factors affect one another and ultimately health (2, 7).…”

Section: Introductionmentioning

confidence: 99%

Relationship of socioeconomic status, psychosocial factors, and food insecurity with preterm labor: A longitudinal study

Dolatian

Sharifi

Mahmoodi

2018

IJRM

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Background: Premature birth is the main cause of neonatal mortality and long-term complications, which imposes heavy financial and psychological burdens on the family and society; therefore, it is important to recognize the factors affecting it. Objective: The aim of this study was to determine the relationship between socioeconomic status, psychosocial factors, and food insecurity with preterm delivery. Materials and Methods: This longitudinal study was conducted on 674 pregnant women at 24-28 wk of gestation who met the inclusion criteria. The subjects were selected using cluster sampling. The pregnant women filled out total questionnaires of study and they followed up until delivery and the data about the newborn was collected after delivery. The data collection tools included questionnaires for evaluating socioeconomic status, psychosocial factors, and food insecurity. Results: The prevalence of preterm delivery was 7.7%, and socioeconomic factors were not associated with preterm labor. Among the intermediary factors, social health, food insecurity, stress, and prenatal care had a significant relationship with preterm labor. The prevalence rates of preterm delivery in cases with food insecurity, stress, and inadequate prenatal care were 2, 9.1 and 13.2 times higher than those who had food security, did not experience stress, and received adequate care during pregnancy. Conclusion: Preterm labor is a relatively common problem in which intermediary social determinants of health can play an important role. Considering the limited studies on this issue, the results of this study can lay the foundation for future studies.

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The Relationship Between the Social Determinants of Health and Preterm Birth in Iran Based on the WHO Model: A Systematic Review and Meta-analysis

Cited by 10 publications

References 27 publications

Epidemiology of preterm birth in Ethiopia: systematic review and meta-analysis

Epidemiology of preterm birth in Ethiopia: systematic review and meta-analysis

Determinants of preterm birth among mothers who gave birth in East Africa: systematic review and meta-analysis

Relationship of socioeconomic status, psychosocial factors, and food insecurity with preterm labor: A longitudinal study

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