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The double burden: co-occurrence of malaria and anaemia in children under five in Ghana - a multilevel mixed-effects
Julius Kwabena Karikari1,2, Kweku Bedu-Addo3, Yahye Sheikh Abdulle Hassan4
1University Hospital, Kwame Nkrumah University of Science and Technology, P. O. Box PMB KNUST, Kumasi, Ghana. juliuskarikari@gmail.com.
Insights
The co-occurrence of malaria and anaemia affects 6.4% of Ghanaian children under five. Risk factors include fever and birth order, while household wealth and parental education play a role in this double burden.
Area of Science:
- Public Health
- Pediatrics
- Tropical Medicine
Background:
- Malaria and anaemia frequently co-occur in children under five, particularly in low- and middle-income countries.
- This co-occurrence is a significant contributor to childhood morbidity and mortality globally.
- Ghana faces a substantial public health challenge due to this double burden.
Purpose of the Study:
- To estimate the prevalence of the co-occurrence of malaria and anaemia (double burden) in Ghanaian children under five.
- To identify risk factors associated with this double burden.
- To inform targeted public health interventions.
Main Methods:
- Utilized data from the 2022 Ghana Demographic and Health Survey.
- Employed mixed-effects multilevel binary logistic regression models to identify risk factors.
- Illustrated regional prevalence variations using a choropleth map.
Main Results:
- The prevalence of the double burden was 6.4% (95% CI: 5.5-7.5).
- Associated factors included higher birth order, recent fever, and lower maternal education.
- Children in wealthier households and those with older household heads showed reduced odds of the double burden.
Conclusions:
- The double burden of malaria and anaemia remains a critical health issue for Ghanaian children under five.
- While malaria prevalence may decrease, anaemia persists at high levels.
- Integrated interventions focusing on malaria prevention, nutrition, and anaemia control are crucial, especially in high-burden areas.
Introduction:
Malaria and anaemia frequently co-occur among children under five globally, especially in low- and middle-income countries where both conditions are endemic. This co-occurrence significantly contributes to childhood morbidity and mortality, posing a major public health challenge. This study seeks to estimate the prevalence and identify the risk factors associated with the co-occurrence of malaria and anaemia (double burden) among children under five in Ghana.
Methods:
The study utilised data from the 2022 Ghana Demographic and Health Survey. Regional variations in the prevalence of the double burden were illustrated using a choropleth map. To identify factors associated with the double burden, mixed-effects multilevel binary logistic regression models were employed using a four-model approach. Findings were reported as adjusted odds ratios (aOR) with corresponding 95% confidence intervals (CI) and intra-class correlation coefficients. Analyses were conducted using Stata/SE Version 17, incorporating sampling weights, with statistical significance set at p < 0.05.
Results:
The prevalence of the double burden of malaria and anaemia among children under five in Ghana was 6.4% [95% CI: 5.5-7.5]. Double burden was associated with fifth-born children [aOR = 3.92; 95% CI: 1.60-9.62], children who had fever within the two weeks preceding the survey [aOR = 2.49; 95% CI: 1.46-4.24], children whose mothers had attained primary education [aOR = 1.87; 95% CI: 1.07-3.28], children living in households headed by individuals aged 60 years or above [aOR = 0.33; 95% CI: 0.14-0.79], children from poorer [aOR = 0.51; 95% CI: 0.29-0.90], middle-income [aOR = 0.31; 95% CI: 0.13-0.74], and richer [aOR = 0.31; 95% CI: 0.12-0.80] households.
Conclusion:
The co-occurrence of malaria and anaemia remains a major health concern among Ghanaian children under five. Despite reduced malaria prevalence, anaemia persists at high levels. Integrated interventions that combine malaria prevention, nutrition improvement, and anaemia control, particularly in high-burden regions, are essential for enhancing child health outcomes.
Clinical Trial Number:
Not applicable.
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