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Egbe CO, Gwambe S, Londani M, Erinoso O, Ayo-Yusuf OA. Trends in the use and dual use of factory-made combustible cigarettes, other tobacco products and electronic cigarettes: Results from South African Social Attitudes Surveys during 2007 to 2018. Tob Induc Dis 2023; 21:94. [PMID: 37465256 PMCID: PMC10350792 DOI: 10.18332/tid/168121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/17/2023] [Accepted: 06/11/2023] [Indexed: 07/20/2023] Open
Abstract
INTRODUCTION Using more than one tobacco product increases the risk of tobacco-related diseases. We investigated trends in the prevalence and dual use of factory-made (FM) cigarettes, other tobacco products, and electronic cigarettes (e-cigarettes) in South Africa over a 12-year period. METHODS Data from five waves (2007, 2010, 2011, 2017, and 2018) of the South African Social Attitudes Survey (n=14582) were analyzed. The use of FM, roll-your-own (RYO) cigarettes, cigars, waterpipe, smokeless tobacco (SLT), any combustible tobacco products (CTP), any tobacco product (ATP) use, and e-cigarettes was investigated. The dual use of FM cigarettes with either SLT, waterpipe or e-cigarettes was also explored. Chi-squared analyses and regression models were used to explore trends in prevalence over the 12-year period. RESULTS About 51% of the participants were female, and 51.9% were aged 16-34 years. CTP smoking significantly increased from 18.1% (2010) to 23.6% (2018) (p=0.015), while ATPU increased from 20.2% (2010) to 25.9% (2018) (p=0.005). Though dual use of FM cigarettes and SLT, waterpipe, or e-cigarettes was generally low, the prevalence of dual use significantly increased for all product combinations investigated: FM cigarettes and SLT (0.5% in 2007 to 1.3% in 2018, p=0.017), FM cigarettes and waterpipe (0.9% in 2010 to 2.5% in 2018, p=0.014), FM cigarettes and e-cigarettes (0.4% in 2010 to 1.8% in 2018, p<0.001). Compared to 2010, the odds of the prevalence of CTP and ATP use significantly increased by 37% in 2018 (adjusted odds ratio, AOR=1.37; 95% CI: 1.06-1.77; p=0.018 and AOR=1.37; 95% CI: 1.08-1.73; p=0.009, respectively) during the 12-year period after adjusting for demographic characteristics. CONCLUSIONS The use and dual use of tobacco and electronic cigarette products have been increasing in recent years in South Africa. Interventions to help users quit and prevent young people from initiating use are urgently needed to curb these increases.
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Affiliation(s)
- Catherine O. Egbe
- Alcohol, Tobacco and Other Drug Research Unit, South African Medical Research Council, Pretoria, South Africa
- Department of Public Health, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | - Siphesihle Gwambe
- Alcohol, Tobacco and Other Drug Research Unit, South African Medical Research Council, Pretoria, South Africa
| | - Mukhethwa Londani
- Alcohol, Tobacco and Other Drug Research Unit, South African Medical Research Council, Pretoria, South Africa
- Directorate of Research and Innovation, Tshwane University of Technology, Pretoria, South Africa
| | - Olufemi Erinoso
- School of Public Health, University of Nevada, Reno, United States
| | - Olalekan A. Ayo-Yusuf
- Africa Centre for Tobacco Industry Monitoring and Policy Research, School of Health System and Public Health, University of Pretoria, Pretoria, South Africa
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Bongongo T, Jeewa Y, Nzaumvila DK, Govender I. Awareness of health risks associated with smokeless tobacco use among users in Pretoria. S Afr Fam Pract (2004) 2022; 64:e1-e6. [PMID: 36453800 PMCID: PMC9724137 DOI: 10.4102/safp.v64i1.5560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 09/13/2022] [Accepted: 09/14/2022] [Indexed: 11/23/2023] Open
Abstract
BACKGROUND Smokeless tobacco (ST) refers to all tobacco-containing products that are not smoked but rather consumed through other means. Contrary to the popular belief that ST products are safe, the use of such products exposes users to health risks. To assess the awareness of health risks associated with ST use among users in a Pretoria community, the study was conducted in Ramotse community, located in Tshwane region 2, Gauteng, South Africa. METHODS This was a cross-sectional design, using a piloted, structured and self-administered questionnaire. RESULTS Of 479 participants with a mean age of 43 years (ranging from 18 to 89 years), most were in the age group 30-39 years (148; 31.6%), followed by ≥ 50 years (138; 29.4%). There were more females (371; 77.5%), more unemployed (263; 54.9%), married (236; 49.7%), had reached the secondary level of education (270; 56.4%), did not have any chronic illness (274; 57.2%), used snuff by nose (338; 70.6%), and were unaware of health risks associated with ST use (452; 94.4%). CONCLUSION This study has demonstrated a poor awareness of health risks associated with ST use among the users in a Pretoria community. As a result, health education at various levels of the community (clinic, schools, ward-based outreach team or WBOT, etc.) could be one strategy for resolving the problem.
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Affiliation(s)
- Tombo Bongongo
- Department of Family Medicine & Primary Health Care, School of Health, Sefako Makgatho Health Sciences University, Pretoria.
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Ayo-Yusuf O, Nkosi L, Agaku I. E-cigarette Use and Regulation in South Africa: a Synthesis of Evidence in Response to Industry Efforts to Undermine Product Regulation. CURRENT ADDICTION REPORTS 2022. [DOI: 10.1007/s40429-022-00451-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Male D, Kansabe S, Lukwata H, Rubanga A, Siddiqi K, Bauld L, McNeill A, Dobbie F. Smokeless Tobacco in Uganda: Perceptions among Tobacco Control Stakeholders. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:3398. [PMID: 35329084 PMCID: PMC8950400 DOI: 10.3390/ijerph19063398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/27/2022] [Accepted: 03/11/2022] [Indexed: 12/10/2022]
Abstract
The use and sale of smokeless tobacco (SLT) is prohibited in Uganda under the Tobacco Control Act (TCA), 2015. Nonetheless, SLT products remain available, and there are limited and inconsistent data on SLT users. Additionally, the perceptions of tobacco control stakeholders on SLT are unknown, making it difficult to determine barriers to enforcing the ban. This study examined perceptions of tobacco control stakeholders regarding SLT in Uganda. Qualitative semi-structured interviews were conducted with stakeholders who were purposively selected from ministries, semi-autonomous government agencies and Civil Society Organizations. Interviews explored knowledge, attitudes, perceptions of SLT appeal, and user demographics. Data were analysed using Nvivo V.12 software. Participants demonstrated a general lack of awareness of SLT product types and the extent of their use. They believed SLT use was increasing among females and minors and was as harmful to health and the economy as smoking. SLT products were thought to be cheaper than cigarettes and to appeal to minors. Discreet use was thought to help users overcome the cultural aversion towards tobacco use among women and youth in Uganda. There is an urgent need to strengthen the implementation of the SLT ban whilst also increasing efforts to reduce tobacco smoking.
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Affiliation(s)
- Denis Male
- Department of Food Technology and Nutrition, School of Food Technology Nutrition and Bioengineering, College of Agricultural and Environmental Sciences, Makerere University, Kampala P.O. Box 7062, Uganda;
| | - Shirley Kansabe
- Department of Food Technology and Nutrition, School of Food Technology Nutrition and Bioengineering, College of Agricultural and Environmental Sciences, Makerere University, Kampala P.O. Box 7062, Uganda;
| | - Hafsa Lukwata
- Mental Health Division, Ministry of Health, Kampala P.O. Box 7272, Uganda;
| | - Alexander Rubanga
- International Affairs Unit, Uganda Revenue Authority, Kampala P.O. Box 7279, Uganda;
| | - Kamran Siddiqi
- Department of Health Sciences, University of York, Seebohm Rowntree Building, Heslington, York YO10 5DD, UK;
| | - Linda Bauld
- Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh EH8 9AG, UK;
| | - Ann McNeill
- Department of Addictions, Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London SE5 8BB, UK;
| | - Fiona Dobbie
- Usher Institute, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh EH8 9AG, UK;
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Paarwater BA, Mouton JM, Sampson SL, Malherbe ST, Shaw JA, Walzl G, Kotze LA, du Plessis N. Inhaled particulate matter affects immune responsiveness of human lung phagocytes to mycobacteria. Am J Physiol Lung Cell Mol Physiol 2021; 321:L566-L575. [PMID: 34287085 DOI: 10.1152/ajplung.00014.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The influence of smoke-derived or air pollution-derived cytoplasmic particulate matter (PM) can be detrimental and can lead to failed lung immunity. We investigated mycobacterial uptake, intracellular replication, and soluble immune-mediator responses of human bronchoalveolar lavage cells (BALCs) loaded with/without PM, to infection with mycobacterial strains. We observed that only BALCs containing PM display an ex vivo phenotypic profile dominated by spontaneous interleukin (IL)-10 production. PM-loaded BALCs retained the ability to phagocytose both Mycobacterium bovis Bacille Calmette Guérin (BCG) and Mycobacterium tuberculosis (M.tb) ΔleuDΔpanCD at equal efficacy as clear non-PM-loaded BALCs. However, immune responsiveness, such as the production of IL-6 (P = 0.015) and tumor necrosis factor-α (TNF)-α (P = 0.0172) immediately post M. bovis BCG infection, were dramatically lower in black BALCs loaded with PM versus clear non-PM-loaded BALCs. By 24 h post infection, differential immune responses to M. bovis BCG between black versus clear BALC waned, and instead, production of IL-6 (P = 0.03) and IL-1α (P = 0.04) by black BALCs was lower versus clear BALCs following M.tb ΔleuDΔpanCD infection. Considering that TNF-α and IL-6 are characterized as critical to host protection against mycobacteria, our findings suggest that BALCs loaded with inhaled PM, display lower levels of antimycobacterial mediators and that the response magnitude differs according to infective mycobacterial strain. Even though this did not translate into altered mycobacterial killing at early time points post infection, the long-term impact of such changes remains to be established.
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Affiliation(s)
- Brandon A Paarwater
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
| | - Jomien M Mouton
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
| | - Samantha L Sampson
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
| | - Stephanus T Malherbe
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
| | - Jane A Shaw
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
| | - Gerhard Walzl
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
| | - Leigh A Kotze
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
| | - Nelita du Plessis
- DST-NRF Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, grid.11956.3aStellenbosch University, Cape Town, South Africa
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Ware LJ, Charlton K, Kruger R, Breet Y, van Rooyen J, Huisman H, Botha S, Uys AS, Rennie KL, Naidoo N, Kowal P, Schutte AE. Assessing tobacco use in an African population: Serum and urine cotinine cut-offs from South Africa. Drug Alcohol Depend 2019; 195:82-89. [PMID: 30593984 PMCID: PMC6424978 DOI: 10.1016/j.drugalcdep.2018.11.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 09/24/2018] [Accepted: 11/21/2018] [Indexed: 10/27/2022]
Abstract
BACKGROUND Cotinine, a nicotine metabolite, is used to measure tobacco use and exposure, but recommended cut-offs to differentiate tobacco users from those exposed through the environment range from 3 to 58 ng/ml in serum, and 2.5 to 550 ng/ml in urine. Cut-offs may differ by ethnicity, sex and age. As data from adults in Africa are scarce, our aim was to evaluate cut-offs for serum and urine cotinine that best predict self-reported tobacco use in South African adults. METHODS Two datasets were explored: African-PREDICT (n = 941 black and white healthy young adults, 20-30 years, serum cotinine); and WHO SAGE Wave 2 (n = 604 adults, 18-102 years, urine cotinine). Population specific cut-offs (ROC analyses) were compared with published cut-offs and self-reported tobacco use. RESULTS Overall, 19% (293 of 1545) reported current tobacco use. The following cotinine cut-offs showed the highest sensitivity and specificity: serum ≥15 ng/ml in black and white men, and white women; serum ≥10 ng/ml in black women; urine ≥300 ng/ml for black, mixed ancestry, and older adults (50-plus years); urine ≥500 ng/ml for younger adults (18-49 years). Specificity was lower for urine than for serum cotinine. CONCLUSION Our study suggests that a serum cotinine level of ≥15 ng/ml and a urine cotinine level of ≥300 ng/ml best distinguish current tobacco users from non-users generally in the South African adult population.
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Affiliation(s)
- Lisa J. Ware
- South African MRC Developmental Pathways for Health
Research Unit, School of Clinical Medicine, Faculty of Health Sciences, University
of the Witwatersrand, Johannesburg, South Africa;
,Hypertension in Africa Research Team (HART), North-West
University, Potchefstroom, South Africa; ;
; ;
; ;
| | - Karen Charlton
- School of Medicine, University of Wollongong, and Illawarra Health and Medical Research Institute, New South Wales, Australia.
| | - Ruan Kruger
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa; MRC Research Unit for Hypertension and Cardiovascular Disease, North-West University, South Africa.
| | - Yolandi Breet
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa.
| | - Johannes van Rooyen
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa.
| | - Hugo Huisman
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa.
| | - Shani Botha
- Hypertension in Africa Research Team (HART), North-West University, Potchefstroom, South Africa; MRC Research Unit for Hypertension and Cardiovascular Disease, North-West University, South Africa.
| | - Aletta S. Uys
- Hypertension in Africa Research Team (HART), North-West
University, Potchefstroom, South Africa; ;
; ;
; ;
| | - Kirsten L. Rennie
- Centre for Lifespan and Chronic Illness Research,
University of Hertfordshire, United Kingdom;
| | | | - Paul Kowal
- World Health Organization (WHO), Geneva, Switzerland; University of Newcastle Research Centre for Generational Health and Ageing, Newcastle, Australia.
| | - Aletta E. Schutte
- Hypertension in Africa Research Team (HART), North-West
University, Potchefstroom, South Africa; ;
; ;
; ;
,MRC Research Unit for Hypertension and Cardiovascular
Disease, North-West University, South Africa
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Czoli CD, Fong GT, Mays D, Hammond D. How do consumers perceive differences in risk across nicotine products? A review of relative risk perceptions across smokeless tobacco, e-cigarettes, nicotine replacement therapy and combustible cigarettes. Tob Control 2016; 26:e49-e58. [DOI: 10.1136/tobaccocontrol-2016-053060] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 08/05/2016] [Accepted: 08/10/2016] [Indexed: 11/03/2022]
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Pitfalls in the assessment of smoking status detected in a cohort of South African RA patients. Rheumatol Int 2016; 36:1365-9. [PMID: 27393331 DOI: 10.1007/s00296-016-3527-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 06/28/2016] [Indexed: 10/21/2022]
Abstract
This study was conceived in an attempt to explain the unexpectedly high frequency of elevated levels of serum cotinine measured retrospectively in a cohort of predominantly black South African females with rheumatoid arthritis (RA), findings that were inconsistent with the smoking histories derived from health questionnaires. The discrepant findings suggested either a greater tendency towards underreporting of smoking status in the study cohort, or possible confounding effects of the use of smokeless tobacco products. In addition to the cohort of RA patients (n = 138, of whom 115 (83 %) were female), blood samples were also taken from a second cohort consisting of 29 declared smokers, 18 (62 %) of whom where females, 29 smokeless tobacco (SLT) users (all female), and 22 non-users of any tobacco products, 18 (82 %) of whom were females. Serum cotinine levels were determined using an ELISA procedure. Cotinine levels of >10.0 ng/ml were detected in serum specimens from 43 (31 %), RA patients of whom 35 (81 %) were female, with a median value of 50.1 ng/ml and interquartile range (iqr) of 68.6. Only 18 of the 35 females indicated that they smoked. The groups of declared smokers and SLT users had equivalent median serum cotinine levels of 88.0 ng/ml (iqr = 10.8 ng/ml) and 87.0 ng/ml (iqr = 15.6 ng/ml), respectively, while cotinine was undetectable in specimens from non-tobacco product users (<0.2 ng/ml). Users of SLT products in South Africa are predominantly female and have serum cotinine levels which are comparable with those of current smokers, raising concerns about the validity of measurement of cotinine as the sole objective marker of smoking status in populations with high usage of SLTs. This situation can be rectified by ensuring that usage of SLT products is accurately recorded in health questionnaires, while inclusion of measurement of one or more additional, objective biomarkers of smoking in combination with cotinine may enable reliable distinction between smoking and usage of SLTs which, given the associated risks, is a strategy of particular relevance in RA.
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Agaku I, Caixeta R, de Souza MC, Blanco A, Hennis A. Race and Tobacco Use: A Global Perspective. Nicotine Tob Res 2016; 18 Suppl 1:S88-90. [DOI: 10.1093/ntr/ntv225] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Predictors of tobacco smoking abstinence among tuberculosis patients in South Africa. J Behav Med 2015; 38:472-82. [PMID: 25655663 DOI: 10.1007/s10865-015-9620-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 01/22/2015] [Indexed: 10/24/2022]
Abstract
This study examines predictors of smoking cessation in tuberculosis patients with high HIV co-infection rates in a South African primary care setting. Current smokers were randomly allocated to brief motivational interviewing (n = 205) or receipt of a brief message (n = 204). Multi-level logistic regression was performed to identify predictors of sustained 3- and 6-month abstinence and 7-day point prevalence abstinence (PPA) at 1 month, with the facility as a random effect. The intervention was ineffective among smokers with high nicotine-dependence at 1 month, but was effective for all smokers over longer periods. Higher baseline self-efficacy predicted the 1-month 7-day PPA, but not sustained abstinence. HIV-positive participants' odds of sustained abstinence were about three times higher than those of their HIV-negative counterparts. Results support a more intensive motivational intervention and/or coping skills' training to increase self-efficacy and abstinence rates. Tobacco cessation services can be introduced in tuberculosis services where high HIV co-infection rates occur.
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Omole OB, Ayo-Yusuf OA, Ngobale KNW. Implementing tobacco dependence treatment during clinical consultations: a qualitative study of clinicians' experiences, perceptions and behaviours in a South African primary health care setting. BMC FAMILY PRACTICE 2014; 15:85. [PMID: 24886595 PMCID: PMC4017704 DOI: 10.1186/1471-2296-15-85] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2013] [Accepted: 04/30/2014] [Indexed: 11/10/2022]
Abstract
Background Evidence suggests that healthcare providers (HCPs) in South Africa do not consistently offer tobacco dependence treatment (TDT) during clinical consultations. In order to understand and explain this behaviour in a South African context, we conducted a qualitative exploration of HCPs’ experiences, perceptions and behaviours regarding TDT. Methods Individual qualitative interviews were conducted with physicians and nurses who were purposively selected. Themes were identified from interview transcripts using content analysis. Findings were triangulated and peer-reviewed, and were also verified by the participants. Results Fifteen physicians and four nurses were interviewed, none of whom used tobacco. These participants perceived TDT as an important task, but could not consistently implement it during clinical consultations due to health systems constraints (time-constraints because of patient-overload, the unavailability of cessation medications and a lack of support for referrals), misperceptions and misconceptions (negative outcome expectations about the effectiveness and feasibility of TDT), socio-cultural barriers (counselling older persons was perceived as challenging) and personal limitations (perceived low self-efficacy, poor knowledge and skills on implementing any evidence-based TDT framework). Patients are therefore selectively screened based on clinical relevance and offered only prescriptive brief advice. Participants recommended several systems changes, including academic detailing of tobacco status, training HCPs and incorporating tobacco cessation medications in the Essential Drug List. Conclusion The reported selective screening and limited TDT interventions offered by HCPs are related to interactions between health systems constraints, personal limitations, and misperceptions and misconceptions about the effectiveness and feasibility of TDT during clinical consultation. Implementing the recommended systems changes has the potential to improve the implementation of TDT in South African primary health care (PHC).
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Affiliation(s)
| | - Olalekan A Ayo-Yusuf
- School of Health Systems & Public Health, University of Pretoria, PO Box 1266, Pretoria 0001, South Africa.
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