Estimating the burden of cancer attributable to tobacco in Bangladesh in 2020

IF 2 Q3 HEALTH POLICY & SERVICES

Journal of Cancer Policy Pub Date : 2025-07-04 DOI:10.1016/j.jcpo.2025.100614

Giulia Collatuzzo , Sarah K Abe , Md Shafiur Rahman , Rokshana Parvin , Manami Inoue , Paolo Boffetta

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Abstract

Background

Information on the attributable fraction (AF) of cancer in Bangladesh is scarce. We aimed at estimating the AF of tobacco-related cancer in Bangladesh in 2020.

Methods

Data on prevalence of tobacco use (smokeless, smoking products, and second-hand smoke [SHS]) were derived from the Global Adult Tobacco Survey report (2009), while data on relative risks were derived from meta-analyses and large-scale Indian studies. The GLOBOCAN 2020 database was used to obtain the number of cancer cases and deaths. Concomitant use of both tobacco products was accounted for. Sex-specific and combined estimates were calculated, based on the counterfactual scenario of no exposure to tobacco.

Results

Smokeless tobacco was primarily responsible for oral (55.3 %), esophageal (37.1 %), laryngeal (33.4 %) and pharyngeal (31.5 %) cancer. Cigarette smoking was responsible mainly for esophageal (40.1 %), pancreatic (34.2 %) and lung (26.0 %) cancer, while bidi caused mainly pharyngeal (49.2 %), laryngeal (36.4 %) and esophageal (33.3 %) cancer. Overall, smokeless tobacco caused 14.6 % of cases and 15.1 % of deaths, while cigarette smoking caused 11.8 % of cases and 15.3 % of deaths and bidi smoking 14.1 % of cases and 15.8 % of deaths. SHS caused 0.10 % and 0.13 % of cases and deaths respectively. The combined use of tobacco products particularly contributed to esophageal and pancreatic cancers.

Conclusions

Tobacco was a major cause of cancer in Bangladesh in 2020, with smokeless and bidi smoking overcoming cigarette’s contribution. Its control would greatly reduce cancer burden.

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估计2020年孟加拉国由烟草引起的癌症负担。

背景：关于孟加拉国癌症归因率（AF）的信息很少。我们的目标是估计2020年孟加拉国烟草相关癌症的AF。方法：烟草使用流行率（无烟、吸烟产品和二手烟）数据来源于2009年全球成人烟草调查报告，相对风险数据来源于荟萃分析和大规模印度研究。GLOBOCAN 2020数据库用于获取癌症病例和死亡人数。同时使用这两种烟草制品的情况也被考虑在内。基于不接触烟草的反事实情景，计算了性别特异性和综合估计。结果：无烟烟草是导致口腔癌（55.3%）、食管癌（37.1%）、喉癌（33.4%）和咽癌（31.5%）的主要原因。吸烟主要导致食管癌（40.1%）、胰腺癌（34.2%）和肺癌（26.0%），而吸大麻主要导致咽喉癌（49.2%）、喉癌（36.4%）和食管癌（33.3%）。总体而言，无烟烟草造成14.6%的病例和15.1%的死亡，吸烟造成11.8%的病例和15.3%的死亡，比迪吸烟造成14.1%的病例和15.8%的死亡。性传播疾病分别造成0.6%和0.8%的病例和死亡。烟草制品的综合使用尤其会导致食道癌和胰腺癌。结论：烟草是2020年孟加拉国癌症的主要原因，无烟和比迪吸烟超过了香烟的贡献。控制它将大大减少癌症负担。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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