Abstract
BackgroundIn 2015, Mozambique piloted a new model of long-lasting insecticidal nets (LLINs) delivery in a campaign. The new delivery model was used in two rural districts were, and two others were considered as control, maintaining the old delivery model. The aim of this study is to compare the coverage of ownership and use of LLINs in intervention and control districts in Mozambique.MethodsA before-after design with control group was carried out 6 months after LLINs distribution. Using systematic probabilistic sampling, 1547 households were surveyed by means of a questionnaire. To find associations between the district categories (intervention and control) and the main outcomes of the study (LLIN ownership, use, and universal coverage achievement), odds ratio (OR) and respective confidence intervals were calculated.ResultsOf the 760 households surveyed in the intervention districts, 98.8% had at least one LLIN; of the 787 households surveyed in the control districts, 89.6% had at least one LLIN [OR: 9.7, 95% (CI 4.84–19.46)]. Around 95 and 87% of households owning at least one LLIN reported having slept under the LLIN the previous night in the intervention and control districts, respectively [OR: 3.2; 95% (CI 2.12–4.69)]. Seventy-one percent of the households surveyed achieved universal coverage in the intervention districts against 59.6% in the control districts [OR: 1.6; 95% (CI 1.33–2.03)].ConclusionsThe universal coverage campaign piloted with the new delivery model has increased LLINs ownership, use, and progression for reaching universal coverage targets in the community.
Highlights
In 2015, Mozambique piloted a new model of long-lasting insecticidal nets (LLINs) delivery in a campaign
Sample characteristics and number of campaign LLINs There were 1547 households surveyed, of which 760 were in intervention and 787 in control districts. Both intervention districts have on average more LLINs per household (2.7, 95% confidence intervals (CI) 2.6–2.8) than control districts (2.3, 95% CI 2.2–2.4)
The use of LLIN in the previous night was above 80% in both the intervention and control districts, the LLIN use was higher in the intervention than in the control districts, and the difference observed was statistically significant [odds ratio (OR): 3.2;] (Table 2)
Summary
In 2015, Mozambique piloted a new model of long-lasting insecticidal nets (LLINs) delivery in a campaign. The aim of this study is to compare the coverage of ownership and use of LLINs in intervention and control districts in Mozambique. Using long-lasting insecticidal nets (LLINs) can reduce malaria morbidity and mortality, especially in children and pregnant women [1, 2], and the universal coverage LLIN campaign is a proven health intervention toward this goal [3,4,5]. Ownership and use of LLINs in Mozambique increased between 2011 and 2015, but remain far from the desired targets. Between October and December 2015, Mozambique piloted a new model of LLIN delivery in an intervention campaign.
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