Prevalence of malaria infection and the impact of mosquito bed net distribution among children aged 6-59 months in Ghana: Evidence from the Ghana demographic health and malarial indicator surveys

被引:3
作者
Tetteh, John [1 ,3 ]
Yorke, Ernest [2 ]
Boima, Vincent [2 ]
Yawson, Alfred Edwin [1 ]
机构
[1] Univ Ghana, Med Sch, Coll Hlth Sci, Dept Community Hlth, Accra, Ghana
[2] Univ Ghana, Med Sch, Coll Hlth Sci, Dept Med & Therapeut, Accra, Ghana
[3] Univ Ghana, Coll Hlth Sci, Med Sch, Dept Community Hlth, POB 4236, Accra, Ghana
关键词
Malaria; Mosquito bed nets; Children; Ghana; RISK;
D O I
10.1016/j.parepi.2023.e00302
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Objective: To assess the prevalence of malaria infection and further quantify the impact of mosquito bed net distribution on malaria infection among children aged 6-59 months in Ghana. Methods: A cross-sectional study using Ghana Demographic Health (GDHS) and Malaria Indicator (GMIS) surveys (2014 GDHS, 2016 GMIS, and 2019 GMIS). The exposure and the main outcomes were mosquito bed net use (MBU) and malaria infection (MI). Relative percentage change (Delta) and prevalence ratio (PR) were estimated to assess the changes and the risk of MI by MBU respectively. The Propensity-score matching treatment effect model was employed to estimate the average treatment effect (ATE) of MBU on MI. All analyses were performed using Stata 16.1 and p-value<0.05 was deemed significant. Results: The study involved 8781 children aged 6-59 months. MI ranged from 25.8%(22.3-29.7) in 2019 GMIS to 40.6%(37.0-44.2) in 2014 GDHS and the prevalence was significantly high among children who used mosquito bed net. The relative percentage change in MI prevalence showed a significant reduction rate and was high among non-MBU (p-value<0.05). In all, the adjusted PR of MI among children exposed to MBU was 1.21(1.08-1.35), 1.13(1.01-1.28), and 1.50(1.20-1.75) in 2014 GDHS, 2016 GMIS, and 2019 GMIS respectively. The average MI among participants who slept in mosquito bed net significantly increased by 8%(0.04 to 0.12), 4%(0.003 to 0.08), and 7%(0.03 to 0.11) in 2014 GDHS, 2016 GMIS, and 2019 GMIS respectively. Conclusion: Even though malaria infection prevalence among children aged 6-59 months is decreasing, the reduction rate seems not to be directly linked with mosquito bed nets distribution and/or use in Ghana. For a continued distribution of mosquito bed nets, and for Ghana to achieve her Malaria Strategic Plan (NMSP) 2021-2025, program managers should ensure effective use of the distributed nets in addition to other preventive measures and nuanced consideration of community behaviours in Ghana. The effective use and care of bed nets should be emphasized as part of the distribution.
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