Hepatitis B Virus Infection Among Workers in Selected Garments

Yasmin, Rabeya; Sa, Ahmed; Zaman, Farhana; Ansari, M Azim; Azim, E

doi:10.3329/bmj.v40i2.18511

Cited by 4 publications

(6 citation statements)

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“…Both of the studies have implicated these behaviors as being associated with HBV prevalence. Similar conclusions can also be drawn in the case of [ 16 ], a study conducted on garment workers of a low socio-economic background. The unusually high rate of prevalence can be attributed to the fact that of the 11 individuals who were positive for HBsAg, 8 had a history of injection drug use.…”

Section: Hepatitis B Virus In the General Populationsupporting

confidence: 82%

“…The bar heights are factors of the normalized sample sizes of each study. The sample sizes ranged from 130 [ 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 ] to 43,312 [ 8 ]. Studies done on voluntary blood donors and pregnant women have not been included here, since they form a substantial enough group to merit their own discussion.…”

Section: Figurementioning

confidence: 99%

See 1 more Smart Citation

Epidemiology of Hepatitis B Virus Infection in Bangladesh: Prevalence among General Population, Risk Groups and Genotype Distribution

uz-Zaman

Rahman

Yasmin

2018

Genes

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Despite a considerable body of published research on hepatitis B in Bangladesh, researchers continue to lament the lack of reliable information about hepatitis B virus (HBV) infection epidemiology. The present review aims to provide a comprehensive survey of the literature with particular focus on a number of epidemiological questions, as well as a commentary on the trends of hepatitis B research as it has taken place in Bangladesh. The key themes to emerge from this review are: first, beyond noting a declining trend, it is difficult to provide conclusive estimates about HBV prevalence in the general population of Bangladesh. The majority of the studies, even the ones conducted on apparently healthy populations, fail to be adequately representative for the reasons explored in the article. Secondly, HBV infection in Bangladesh is sharply stratified across sociodemographic lines, which speaks to the role of awareness and risk exposure in HBV prevalence. Third, more research on occult infection rates is required to estimate the extent of risk posed by the current blood donation screening program, which relies exclusively on hepatitis B surface antigen as a biomarker. The same considerations apply for the comparative importance of vertical versus horizontal transmission and prevalence among particular risk groups like healthcare workers with high occupational exposure. Finally, while recent studies do allow us, albeit with some ambiguity, to draw conclusions about distribution of HBV genotypes in Bangladesh, there needs to be an added emphasis on molecular epidemiology. It is hoped that the present review, the first of its kind in Bangladesh, will serve as an up-to-date summary of the course HBV epidemiology research in Bangladesh has taken thus far, as well as crucial gaps to address going forward.

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Section: Hepatitis B Virus In the General Populationsupporting

confidence: 82%

Section: Figurementioning

confidence: 99%

Epidemiology of Hepatitis B Virus Infection in Bangladesh: Prevalence among General Population, Risk Groups and Genotype Distribution

uz-Zaman

Rahman

Yasmin

2018

Genes

View full text Add to dashboard Cite

show abstract

“…Both of the studies have implicated these behaviors as being associated with Hepatitis B prevalence. Similar conclusions can also be drawn in the case of [16], a study conducted on garment workers of a low socio-economic background. The unusually high rate of prevalence can be attributed to the fact that of the 11 individuals who were positive for HBsAg, 8 had a history of injection drug use.…”

Section: Effects Of Sociodemographic Variablessupporting

confidence: 78%

Epidemiology of Hepatitis B in Bangladesh: Prevalence Among General Population, Risk Groups, and Genotype Distribution

uz-Zaman¹,

Rahman²,

Yasmin³

2018

Preprint

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Despite a considerable body of published research on Hepatitis B in Bangladesh, researchers continue to lament the lack of reliable information about Hepatitis B epidemiology. The present review aims to provide a comprehensive survey of the literature with particular focus on a number of epidemiological questions, as well as a commentary on the trends of Hepatitis B research as it has taken place in Bangladesh. The key themes to emerge from this review are: first, beyond noting a declining trend, it is difficult to provide conclusive estimates about Hepatitis B prevalence in the general population of Bangladesh. The majority of the studies, even the ones conducted on apparently healthy populations, fail to be adequately representative for the reasons explored in the article. Secondly, Hepatitis B in Bangladesh is sharply stratified across sociodemographic lines, which speaks to the role of awareness and risk exposure in Hepatitis B prevalence. Third, more research on occult infection rates is required to estimate the extent of risk posed by the current blood donation screening program, which relies exclusively on Hepatitis B surface antigen as a biomarker. The same considerations apply for the comparative importance of vertical vs. horizontal transmission, and prevalence among particular risk groups like healthcare workers with high occupational exposure. Finally, while recent studies do allow us, albeit with some ambiguity, to draw conclusions about distribution of Hepatitis B genotypes in Bangladesh, there needs to be an added emphasis on molecular epidemiology. It is hoped that the present review, the first of its kind in Bangladesh, will serve as an up-to-date summary of the course Hepatitis B epidemiology research in Bangladesh has taken thus far, as well as crucial gaps to address going forward.

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“…The included 15 studies with a total sample size of 60 496 reported the prevalence of hepatitis B in Bangladesh and the characteristics of all studies are presented in Table 1. All the included articles [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] were cross-sectional studies and conducted throughout the period ranging from 1995 to 2017. The smallest sample size was 130 [14] and the largest sample size was 43 213 [26].…”

Section: Characteristics Of Included Studiesmentioning

confidence: 99%

The prevalence of hepatitis B virus infection in Bangladesh: a systematic review and meta-analysis

et al. 2022

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Despite the availability of an effective vaccine, hepatitis B virus (HBV) infection is one of the major public health problems worldwide, mostly in developing countries. This systematic review and meta-analysis were performed to estimate the pooled prevalence of HBV infection in Bangladesh. We systematically searched various electronic databases to retrieve relevant studies published until April 2021. A total of 15 studies were met the inclusion criteria and included in the meta-analysis. The pooled estimated prevalence of HBV infection in the general population of Bangladesh from 1995 to 2017 was 4.0% [95% confidence interval (CI) 3.0-5.1]. The results of subgroup analysis revealed that the prevalence of hepatitis B was higher in females than males [odds ratio (OR) 1.20, 95% CI 0.48-2.97, P = 0.70], people of age <25 years had a higher prevalence than people of age >25 years (OR 1.25, 95% CI 0.72-2.17, P = 0.42) and married people had a higher prevalence than unmarried/single people (OR 2.16, 95% CI 1.51-3.10, P < 0.0001). The Egger's test statistics (P = 0.584), Begg and Mazumdar's rank correlation test (P = 0.054) indicated the absence of publication bias. This study analysis reported a low intermediate prevalence of HBV infection (4%) in Bangladesh, which is currently higher than the global prevalence of HBV infection (3.5%).

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Hepatitis B Virus Infection Among Workers in Selected Garments

Cited by 4 publications

References 0 publications

Epidemiology of Hepatitis B Virus Infection in Bangladesh: Prevalence among General Population, Risk Groups and Genotype Distribution

Epidemiology of Hepatitis B Virus Infection in Bangladesh: Prevalence among General Population, Risk Groups and Genotype Distribution

Epidemiology of Hepatitis B in Bangladesh: Prevalence Among General Population, Risk Groups, and Genotype Distribution

The prevalence of hepatitis B virus infection in Bangladesh: a systematic review and meta-analysis

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