Country-specific estimates of tobacco use among people living with HIV (PLWH) are lacking for much of sub-Saharan Africa. We aim to evaluate the association between the HIV status and tobacco product use status, frequency, and intensity, using nationally representative data from Zambia. We analyzed data from the 2018 Demographic and Health Survey conducted in Zambia among women aged 15–49 years and men aged 15–59 years. We performed logistic regression to assess the associations of HIV status, selected sociodemographic, and other characteristics with indicators of tobacco use (i.e., status, frequency, and intensity). Among women, 14.3% tested positive for HIV and 2.7% reported current smoking or tobacco use; women living with HIV were more likely to report currently smoking or using tobacco than women living without HIV (4.4% vs. 2.4%; aPR: 1.46). Among men, 8.4% tested positive for HIV and 19.5% reported current smoking; men living with HIV were more likely than men living without HIV to report current smoking (27.8% vs. 18.7%; aPR: 1.22). Several sociodemographic characteristics were associated with tobacco use, including age, residence (urban/rural), education level, employment status, and wealth index. The frequency and intensity of smoking among men who currently smoked did not differ by HIV status. Tobacco use was more likely in PLWH than those without HIV in Zambia. Our findings highlight the need to encourage and support tobacco cessation among PLWH, possibly by offering cessation services at existing intersections with health care or integrating cessation support into mHealth and other alternative models of care.
The implementation of several tobacco control policies in the Philippines may have contributed to a decrease in secondhand smoke (SHS) exposure. We examined changes in SHS exposure at work and in public places between 2009 and 2015 among adults aged ≥15 years and interpreted these results within the tobacco policy landscape in the Philippines. We analyzed the Philippines Global Adult Tobacco Survey 2009 and 2015 data. We examined marginal effects in logistic regression to get the adjusted prevalence of SHS exposure at five work and public places, controlling for selected characteristics. We calculated adjusted prevalence ratios and adjusted prevalence differences between 2009 and 2015. Adjusted prevalence of SHS exposure decreased from 2009 to 2015 by 19% (5.7 percentage points) at work, 45% (11.2 percentage points) in government buildings, 48% (3.2 percentage points) in healthcare facilities, 29% (8.2 percentage points) in restaurants, and 33% (19.9 percentage points) on public transportation. Although the prevalence of SHS exposure at work and in public places decreased significantly between 2009 and 2015, a substantial proportion of adults remain exposed to SHS. This study highlights the importance of continued implementation, enforcement, monitoring, and evaluation of tobacco control and prevention measures in the Philippines.
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