Abstract
BackgroundThe burden of disease attributable to tobacco smoking and harmful alcohol consumption poses a major threat to sustainable development in most low- and middle-income countries. However, evidence on tobacco use and harmful alcohol consumption to inform context-specific interventions addressing these harmful social behaviours is limited in the African context. This study aimed to determine the sociodemographic factors associated with daily tobacco smoking and binge drinking in Zambia.MethodsThe study stems from nationwide population-based representative survey data collected using the World Health Organization’s STEPwise approach for non-communicable disease risk factor surveillance in 2017 among 18–69-year-old Zambians. The main outcomes were daily tobacco smoking and binge drinking, and the demographic and socioeconomic variables included sex, marital status, age, residence, level of education and occupation. Prevalence ratios (PR) were calculated using log-binomial regression analysis.ResultsOverall, 4302 individuals (weighted percentage 49.0% men and 51.0% women) participated in the survey. The prevalence of daily tobacco smoking was 9.0%, and 11.6% of participants engaged in binge drinking, both of which were higher among men than women (17.1% vs. 1.3% and 18.6% vs. 5.3%, respectively). The adjusted prevalence of daily tobacco smoking was 14.3 (95% CI: 9.74-21.01) times higher in men than women, and 1.44 (95% CI 1.03-1.99) times higher in the > 45-year-old group compared to the 18–29-year-old group. Significant positive associations with daily tobacco smoking were found among those with no education 2.70 (95% CI 1.79- 4.07) or primary education 1.86 (95% CI 1.22-2.83) compared to those with senior secondary or tertiary education. The adjusted prevalence of daily tobacco smoking was 0.37 times lower (95% CI 0.16-0.86) among students and homemakers compared to employed participants. The adjusted prevalence of binge drinking was 3.67 times higher (95% CI 2.83-4.76) in men than in women. Significantly lower adjusted prevalences of binge drinking were found in rural residents 0.59 (95% CI: 0.46-0.77) compared to urban residents and in students/homemakers 0.58 (95% CI: 0.35-0.94) compared to employed participants.ConclusionThis study shows huge differences between men and women regarding tobacco smoking and binge drinking in Zambia. A high occurrence of tobacco smoking was observed among men, older members of society and those with lower levels of education, while binge drinking was more common in men and in those living in urban areas. There is a need to reshape and refine preventive and control interventions for tobacco smoking and binge drinking to target the most at-risk groups in the country.
Highlights
The burden of disease attributable to tobacco smoking and harmful alcohol consumption poses a major threat to sustainable development in most low- and middle-income countries
The adjusted prevalence of daily tobacco smoking was 0.37 times lower among students and homemakers compared to employed participants (Table 2)
This study investigated the sociodemographic factors associated with daily tobacco smoking and binge drinking among Zambians using a nationally representative sample from the 2017 World Health Organization (WHO) STEPS survey
Summary
The burden of disease attributable to tobacco smoking and harmful alcohol consumption poses a major threat to sustainable development in most low- and middle-income countries. Tobacco smoking and harmful alcohol consumption are major risk factors for non-communicable diseases (NCDs) [1, 2]. In 2016, the alcohol-attributable disease burden was highest in LMICs compared to high-income countries [6]. The prevalence of binge drinking among current drinkers in SSA is one of the highest in the world, at over 60% [5] This is largely due to weak policy control measures and an increase in consumer purchasing power providing attractive markets to the tobacco and alcohol industries [12, 13]
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