Impact evaluation of lottery incentives for malaria elimination in Homa Bay

UMIN ID: UMIN000047728

Registered date:01/07/2022

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: malaria
• Date of first enrollment: 2022/06/01
• Target sample size: 10000
• Countries of recruitment: Africa
• Study type: Interventional

Intervention(s)

Intervention_1: malaria education video is shown; lotteries for rewards (number of rewards is proportional to the number of RDT negative participants) are provided to randomly assigned households in randomly assigned clusters
Intervention_2: malaria education video is shown; conditional cash transfer (amount is proportional to the number of RDT negative participants) is provided to randomly assigned households in randomly assigned clusters
Control: no education video is shown, and no reward chances are provided to randomly unassigned households in the intervention arms and all households in the control arm

Outcome(s)

• Primary Outcome: (1) malaria prevalence by PCR in children and adults at 6 and 12 months post intervention; (2) monthly malaria incidence in prospective cohorts for 12 months post intervention; (3) antibodies (IgG) against Anopheles salivary proteins gSG6 and cE5 in prospective cohorts at 6 and 12 months post intervention; (4) change in anemia rate in children and adults at 6 and 12 months post intervention; (5) change in the appropriate use of LLIN; and (6) change in malaria knowledge and perception among community residents at 6 and 12 months post intervention
• Secondary Outcome: malaria prevalence by RDT in children and adults at 6 and 12 months post intervention

Key inclusion & exclusion criteria

• Age minimum: Not applicable
• Age maximum: Not applicable
• Gender: Male and Female
• Exclude criteria: For COMC intervention: (1) no informed consent; (2) vacant dwelling structure; (3) dwelling structure is to be vacated or destroyed within the study period For malaria and anemia prevalence survey: (1) severe illnesses; (2) living outside the study area; (3) no informed consent For prospective cohort survey: (1) severe illnesses; (2) pregnancy at the time of COMC intervention

Related Information

• Primary Sponsor: Osaka Metropolitan University Graduate School of Medicine
• Secondary Sponsor: Mount Kenya University
• Source(s) of Monetary Support: Japan International Cooperation Agency - Science and Technology Research Partnership for Sustainable Development (JICA-SATREPS)