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Nigeria's malaria prevalence in 2015: a geospatial, exploratory district-level approach
Mina Whyte1, Kennedy Mwai Wambui2, Eustasius Musenge3
1Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg. mailmina@gmail.com.
Geospatial Health
|November 28, 2024
Summary
Malaria prevalence in Nigerian children under five is highest in Kebbi South. Poorest wealth, mothers with secondary education, and lack of bed nets are linked to higher malaria rates, necessitating targeted interventions.
Area of Science:
- Public Health
- Epidemiology
- Spatial Analysis
Background:
- Malaria remains a significant public health challenge in Nigeria, particularly impacting children under five.
- Understanding the spatial distribution and determinants of malaria is crucial for effective control strategies.
Purpose of the Study:
- To investigate the spatial distribution of malaria prevalence in Nigeria using 2015 data.
- To identify key factors associated with malaria prevalence at the senatorial district level.
Main Methods:
- Ecological study analyzing data from the second Nigeria Malaria Indicator Survey (NMIS) 2015.
- Geographic Information Systems (GIS) and spatial autoregressive models were employed.
- Analysis was conducted at the senatorial district level.
Main Results:
- Malaria prevalence in children under five was highest in Kebbi South senatorial district (70.6%).
- Poorest wealth index, mothers with secondary education, and lack of mosquito bed nets were significantly associated with higher malaria prevalence.
- Spatial analysis revealed significant spatial dependence and spill-over effects of malaria prevalence.
Conclusions:
- The study highlights significant spatial clustering of malaria prevalence in Nigeria.
- Targeted interventions are needed in high-prevalence areas to break transmission.
- Sustained efforts are essential for malaria elimination in affected regions.
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