Common mental health disorders among informal waste pickers in Johannesburg, South Africa 2018—a cross-sectional study
- Authors: Makhubele, Matimba , Ravhuhali, Khuliso , Kuonza, Lazarus , Mathee, Angela , Kgalamono, Spo , Made, Felix , Tlotleng, Nohlanhla , Kootbodien, Tahira , Ntlebi, Vusi , Wilson, Kerry , Naicker, Nisha
- Date: 2019
- Subjects: Common mental disorders , Waste pickers , Landfill sites
- Language: English
- Type: Article
- Identifier: http://hdl.handle.net/10210/395925 , uj:32851 , Citation: Makhubele, M. et al. 2019. Common mental health disorders among informal waste pickers in Johannesburg, South Africa 2018—a cross-sectional study. Int. J. Environ. Res. Public Health 2019, 16, 2618; doi:10.3390/ijerph16142618
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Environmental silica dust exposure and pulmonary tuberculosis in Johannesburg, South Africa
- Authors: Kootbodien, Tahira , Iyaloo, Samantha , Wilson, Kerry , Naicker, Nisha , Kgalamono, Spo , Haman, Tanya , Mathee, Angela , Rees, David
- Date: 2019
- Subjects: Pulmonary tuberculosis , Occupational dust exposure , Silica
- Language: English
- Type: Article
- Identifier: http://hdl.handle.net/10210/397414 , uj:33031 , Citation: Kootbodien, T. et al. Environmental silica dust exposure and pulmonary tuberculosis in Johannesburg, South Africa. Int. J. Environ. Res. Public Health 2019, 16, 1867; doi:10.3390/ijerph16101867
- Description: Abstract: Background: Occupational crystalline silica dust exposure is associated with an elevated risk of pulmonary tuberculosis (PTB). However, there is less evidence for an association with environmental silica dust exposure. Methods: A cross-sectional study of 310 participants was conducted in an exposed community living within 2 km of gold mine tailings and an unexposed population residing more than 10 km from the nearest gold mine tailing. Chest radiographs (n = 178) were read for PTB, past or current, by three readers. Results: Past or current PTB was radiologically identified in 14.4% (95%CI 9.2–21.8) in the exposed and 7.5% (95%CI 2.8–18.7) in the unexposed groups. Multivariate logistic regression models suggested that PTB prevalence was independently associated with exposure to second-hand smoke (OR = 8.13, 95%CI 1.16–57.22), a lower body mass index (OR = 0.88, 95%CI 0.80–0.98), previous diagnosis and treatment of PTB (OR = 8.98, 95%CI 1.98–40.34), and exposure to dust in the workplace from sand, construction, and/or mining industries (OR = 10.2, 95%CI 2.10–50.11). Conclusion: We found no association between PTB and environmental exposure to gold mine tailing dust. However, workplace silica dust exposure is a significant risk factor for PTB in South Africa, and PTB patients of working age should be screened for silica exposure.
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Prevalence of respiratory health symptoms among landfill waste recyclers in the City of Johannesburg, South Africa
- Authors: Tlotleng, Nonhlanhla , Kootbodien, Tahira , Wilson, Kerry , Made, Felix , Mathee, Angela , Ntlebi, Vusi , Kgalamono, Spo , Mokone, Moses , Du Preez, Karen , Naicker, Nisha
- Date: 2020
- Subjects: Cross-sectional study , Informal workers , Landfill sites;
- Language: English
- Type: Article
- Identifier: http://hdl.handle.net/10210/464961 , uj:41561 , Citation: Tlotleng, N. et al. 2020. Prevalence of respiratory health symptoms among landfill waste recyclers in the City of Johannesburg, South Africa. , DOI: 10.3390/ijerph16214277
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