SETTING: Twenty-two urban factories in Harare. OBJECTIVE: To determine the relationship between the human immunodeficiency virus (HIV), smoking and self-rated health in a high HIV prevalence urban workforce. DESIGN: Cross-sectional survey. RESULTS: Of 7482 employees, 6111 (82%) consented to interview and anonymous HIV serology; 88% were male; median age was 34 years. HIV prevalence was 19%. Current (median 6 cigarettes per day) and former smoking were reported by 17% and 7%, respectively. Smoking (current or former) was more common among HIV-positive (27%) than -negative participants (17%; P < 0.001). Factors significantly associated with being a smoker on multivariate analysis were being HIV-infected (OR 1.5, 95% CI 1.4-1.7), older age (P < 0.001), non-Christian (OR 1.6, 95% CI 1.2-2.2) and manual job (OR 1.4, 95% CI 1.2-1.6). Women (OR 0.05, 95% CI 0.03-0.11) and the better educated (OR 0.7, 95% CI 0.5-0.9) were significantly less likely to smoke. HIV-positive smokers had the highest risk of reporting poor health (adjusted OR compared to HIV-negative non-smokers 3.4, 95% CI 2.3-5.0). CONCLUSIONS: Smoking was significantly more common among HIV-positive than -negative employees in this predominantly male workforce. There was evidence of a combined effect on self-rated poor health, a variable shown to be a strong independent predictor of mortality in industrialised countries. Interventions to encourage smoking cessation may be an important component of HIV care in Southern Africa.
SETTING: Twenty-two urban factories in Harare. OBJECTIVE: To determine the relationship between the human immunodeficiency virus (HIV), smoking and self-rated health in a high HIV prevalence urban workforce. DESIGN: Cross-sectional survey. RESULTS: Of 7482 employees, 6111 (82%) consented to interview and anonymous HIV serology; 88% were male; median age was 34 years. HIV prevalence was 19%. Current (median 6 cigarettes per day) and former smoking were reported by 17% and 7%, respectively. Smoking (current or former) was more common among HIV-positive (27%) than -negative participants (17%; P < 0.001). Factors significantly associated with being a smoker on multivariate analysis were being HIV-infected (OR 1.5, 95% CI 1.4-1.7), older age (P < 0.001), non-Christian (OR 1.6, 95% CI 1.2-2.2) and manual job (OR 1.4, 95% CI 1.2-1.6). Women (OR 0.05, 95% CI 0.03-0.11) and the better educated (OR 0.7, 95% CI 0.5-0.9) were significantly less likely to smoke. HIV-positive smokers had the highest risk of reporting poor health (adjusted OR compared to HIV-negative non-smokers 3.4, 95% CI 2.3-5.0). CONCLUSIONS: Smoking was significantly more common among HIV-positive than -negative employees in this predominantly male workforce. There was evidence of a combined effect on self-rated poor health, a variable shown to be a strong independent predictor of mortality in industrialised countries. Interventions to encourage smoking cessation may be an important component of HIV care in Southern Africa.
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