Hepatitis B prevalence in Brazilian waste pickers: a systematic review with meta-analysis

Souza-Silva, Gabriel; Mol, Marcos Paulo Gomes

doi:10.11606/s1518-8787.2021055003115

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Sumário

Review • Rev. Saúde Pública 55 • 2021 • https://doi.org/10.11606/s1518-8787.2021055003115 copy

Hepatitis B prevalence in Brazilian waste pickers: a systematic review with meta-analysis

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

OBJECTIVE:

To describe the hepatitis B prevalence in Brazilian waste pickers.

METHODS:

We performed a literature search in the SciELO, Biblioteca Virtual em Saúde (BVS), PubMed and Web of Science databases using the descriptors: “hepatitis B” AND (“informal recycling” OR “waste picker” OR “recyclable waste collectors” OR “solid waste segregator”) AND (“recyclable waste” OR “solid waste”) AND Brazil. Epidemiological studies on HBV in Brazilian waste pickers published prior to February 2020 were included and evaluated for quality and bias using a funnel plot.

RESULTS:

This meta-analysis consisted of five articles. Prevalence of HBV surface antigen seropositivity was 14% (95%CI: 6%–22%) in Brazilian waste pickers.

CONCLUSION:

HBV prevalence in Brazilian waste pickers remains high. There should be more campaigns showing the importance of vaccination and personal protective equipment use.

DESCRITORES:
Solid Waste Segregators; Hepatitis B, epidemiology; Systematic Review

Year of publication	Reference	Year of study	Place	Study design	Sample size (n)	HBV prevalence (%)^a a Hepatitis B showed general prevalence when HBsAg and Anti-HBc were used.	Quality (total score)	Limitations^b b According to guidelines for critically appraising studies on prevalence or incidence of a health problem (Loney et al.14).
2008	Rozman MA et al.²⁰20 Souto FJD. Distribution of hepatitis B infection in Brazil: the epidemiological situation at the beginning of the 21st century. Rev Soc Bras Med Trop. 2016;49(1):11-23. https://doi.org/10.1590/0037-8682-0176-2015 https://doi.org/10.1590/0037-8682-0176-2...	2005	Santos (SP)	Cross-sectional	250	33.4	8	Not applicable
2014	Marinho TA et al.²¹21 Oka T, Enoki H, Tokimoto Y, Kawanishi T, Minami M, Okuizumi T, et al. Employment-related difficulties and distressed living condition in patients with hepatitis B virus: a qualitative and quantitative study. BMC Public Health. 2017;17(1):568. https://doi.org/10.1186/s12889-017-4416-3 https://doi.org/10.1186/s12889-017-4416-...	2010–2011	Goiânia (GO)	Cross-sectional	431	12.8	7	Outcomes measured by biased assessors
2019	Cruvinel VRN et al.¹⁶16 Aldrige RW, Story A, Hwang SW, Nordentoft M, Luchenski SA, Hartwell G, et al. Morbidity and mortality in homeless individuals, prisoners, sex workers, and individuals with substance use disorders in high-income countries: a systematic review and meta-analysis. Lancet. 2018;391(10117):241-50. https://doi.org/10.1016/S0140-6736(17)31869-X https://doi.org/10.1016/S0140-6736(17)31...	2017	Brasília (DF)	Cross-sectional	770	4.3	6	Outcomes measured by biased assessors and inadequate response rate
2019	Klein G et al.²²22 Yusuf RO, Sawyerr HO, Adeolu AT, Habeeb LM, Abolayo TT. Seroprevalence of Hepatitis B virus and compliance to standard safety precautions among scavengers in Ilorin Metropolis, Kwara State, Nigeria. J Health Pollut. 2018;8(19):180914. https://doi.org/10.5696/2156-9614-8.19.180914 https://doi.org/10.5696/2156-9614-8.19.1...	2015	Jardim Gramacho (RJ)	Cross-sectional	73	12.3	5	Outcomes measured by biased assessors, inadequate sample size and inadequate response rate
2020	Weis-Torres SMS et al.²³23 Rauf MUA, Saleem MD, Anwer MO, Ahmed G, Aziz S, Memon MA. HIV, hepatitis B and hepatitis C in garbage scavengers of Karachi. J Pak Med Assoc. 2013;63(6):798-802.	2014–2016	Campo Grande (MS)	Cross-sectional	278	10.1	7	Outcomes measured by biased assessor

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[1] Correspondence: Paulo Gomes Mol, Fundação Ezequiel Dias (FUNED), Rua Conde Pereira Carneiro, 80, 30510-010 Belo Horizonte, MG, Brasil. Email: marcos.mol@funed.mg.gov.br