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Passive smoking and meningococcal disease
Neiserria meningitidis remains an important cause of morbidity and mortality in South Africa (SA). It is the sixth commonest cause of notified disease with a case fatality rate of 11% for the period 1990 1994. Identification of preventable risk factors is critical as no effective vaccine exists for...
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| Format: | Thesis |
| Language: | English |
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Department of Public Health and Family Medicine
2018
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| _version_ | 1867613291128291328 |
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| access_status_str | Open Access |
| author | Moodley, Jennifer R |
| author2 | Coetzee, Nicol |
| author_browse | Coetzee, Nicol Moodley, Jennifer R |
| author_facet | Coetzee, Nicol Moodley, Jennifer R |
| author_sort | Moodley, Jennifer R |
| collection | Thesis |
| description | Neiserria meningitidis remains an important cause of morbidity and mortality in South Africa (SA). It is the sixth commonest cause of notified disease with a case fatality rate of 11% for the period 1990 1994. Identification of preventable risk factors is critical as no effective vaccine exists for serogroup B, the most prevalent serogroup in SA. A case control study was undertaken to determine the risk factors associated with meningococcal disease. The study population consisted of all children under the age of 14 years who were residents of the Cape Town City Council and Cape Metropolitan Council areas of jurisdiction. Cases were identified from weekly notification reports and from admissions to the City Hospital for Infectious Diseases. Controls were selected from the trauma wards at Red Cross War Memorial Children's Hospital. Data was analyzed using EPI INFO and SAS statistical software. During the period October 1993 to January 1995 70 cases and 210 controls were interviewed. Cases were significantly younger than controls (p = 0.0001). On univariate analysis significant risk factors for meningococcal disease included: a household where 2 or more members smoked (odds ratio (OR) =1.8), recent upper respiratory tract infection (OR= 1.8), poor nutritional status (OR= 3.6), being breastfed for less than 3 months (OR= 2.7) and overcrowding (OR= 2.8). After adjusting for confounders, the main force of passive smoking as a risk factor for meningococcal disease appeared to be in the presence of a recent upper respiratory tract infection. Other factors that remained significant after adjusting for confounders included: being breastfed for less than three months (adjusted OR= 2.4) and being less than 4 years old (adjusted OR= 2.3). This is the first case control study in South Africa examining risk factors associated with meningococcal disease. The study provides further evidence for the reduction of smoking, reduction of overcrowding and the promotion of breast-feeding as important public health measures. It also identifies children under the age of 4 years as an important target group should an effective vaccine become available. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/27008 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:33:48.261Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2018 |
| publishDateRange | 2018 |
| publishDateSort | 2018 |
| publisher | Department of Public Health and Family Medicine |
| publisherStr | Department of Public Health and Family Medicine |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/27008 Passive smoking and meningococcal disease Moodley, Jennifer R Coetzee, Nicol Hussey, Gregory D Public Health Neiserria meningitidis remains an important cause of morbidity and mortality in South Africa (SA). It is the sixth commonest cause of notified disease with a case fatality rate of 11% for the period 1990 1994. Identification of preventable risk factors is critical as no effective vaccine exists for serogroup B, the most prevalent serogroup in SA. A case control study was undertaken to determine the risk factors associated with meningococcal disease. The study population consisted of all children under the age of 14 years who were residents of the Cape Town City Council and Cape Metropolitan Council areas of jurisdiction. Cases were identified from weekly notification reports and from admissions to the City Hospital for Infectious Diseases. Controls were selected from the trauma wards at Red Cross War Memorial Children's Hospital. Data was analyzed using EPI INFO and SAS statistical software. During the period October 1993 to January 1995 70 cases and 210 controls were interviewed. Cases were significantly younger than controls (p = 0.0001). On univariate analysis significant risk factors for meningococcal disease included: a household where 2 or more members smoked (odds ratio (OR) =1.8), recent upper respiratory tract infection (OR= 1.8), poor nutritional status (OR= 3.6), being breastfed for less than 3 months (OR= 2.7) and overcrowding (OR= 2.8). After adjusting for confounders, the main force of passive smoking as a risk factor for meningococcal disease appeared to be in the presence of a recent upper respiratory tract infection. Other factors that remained significant after adjusting for confounders included: being breastfed for less than three months (adjusted OR= 2.4) and being less than 4 years old (adjusted OR= 2.3). This is the first case control study in South Africa examining risk factors associated with meningococcal disease. The study provides further evidence for the reduction of smoking, reduction of overcrowding and the promotion of breast-feeding as important public health measures. It also identifies children under the age of 4 years as an important target group should an effective vaccine become available. 2018-01-25T14:01:15Z 2018-01-25T14:01:15Z 1997 Master Thesis Masters MMed http://hdl.handle.net/11427/27008 eng application/pdf Department of Public Health and Family Medicine Faculty of Health Sciences University of Cape Town |
| spellingShingle | Public Health Moodley, Jennifer R Passive smoking and meningococcal disease |
| thesis_degree_str | Master's |
| title | Passive smoking and meningococcal disease |
| title_full | Passive smoking and meningococcal disease |
| title_fullStr | Passive smoking and meningococcal disease |
| title_full_unstemmed | Passive smoking and meningococcal disease |
| title_short | Passive smoking and meningococcal disease |
| title_sort | passive smoking and meningococcal disease |
| topic | Public Health |
| url | http://hdl.handle.net/11427/27008 |
| work_keys_str_mv | AT moodleyjenniferr passivesmokingandmeningococcaldisease |