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Risk factors for meningococcal disease in Cape Town
J R Moodley1, N Coetzee, G Hussey
1Department of Community Health, University of Cape Town.
Insights
Meningococcal disease risk factors in Cape Town children include short breastfeeding duration, overcrowding, and young age. Parental smoking combined with respiratory infections also increased risk.
Area of Science:
- Pediatrics
- Epidemiology
- Public Health
Background:
- Meningococcal disease poses a significant threat to child health.
- Understanding risk factors is crucial for effective prevention strategies.
Observation:
- A case-control study was conducted in Cape Town, South Africa.
- The study involved 70 children with meningococcal disease and 210 controls.
Findings:
- Key risk factors identified include breastfeeding for less than 3 months (OR 2.4), overcrowding (OR 2.3), and age under 4 years (OR 2.3).
- Household smoking exposure combined with recent upper respiratory tract infections significantly elevated risk (OR 5.0).
Implications:
- Findings support public health interventions focused on promoting breastfeeding, reducing overcrowding, and discouraging smoking.
- These measures are vital for mitigating meningococcal disease incidence in children.
Objective:
To determine the risk factors associated with meningococcal disease among children living in Cape Town.
Design:
A case-control study was conducted from October 1993 to January 1995.
Setting:
The study population consisted of all children under the age of 14 years who were resident in the Cape Town metropolitan region. Cases and controls were selected from Red Cross War Memorial Children's Hospital.
Results:
A total of 70 cases and 210 controls were interviewed. Significant risk factors for meningococcal disease included being breast-fed for less than 3 months (adjusted odds ratio (OR) 2.4); overcrowding (adjusted OR 2.3); and age less than 4 years (adjusted OR 2.3). Exposure to two or more household members who smoked was also a risk factor, but only in the presence of a recent upper respiratory tract infection (adjusted OR 5.0).
Conclusion:
This is the first case-control study in South Africa examining risk factors for meningococcal disease. It provides further evidence for reduction of smoking, reduction of overcrowding and promotion of breast-feeding as important public health measures.