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Preliminary evidence from ongoing research provides strong indications that protecting farmers from malaria would be profitable for outgrowing agribusinesses in sub-Saharan Africa. The study team invests in experimental research to investigate this conjecture in more detail.
The study evaluates whether the sourcing of insecticide-treated nets and their distribution to smallholder farmers for free would be a profitable investment for a cotton outgrowing agribusiness in Zambia.
The study therefore carries out a major net distribution through the existing distribution channels of a cotton outgrowing agribusiness, evaluates the impact of this distribution on smallholder cotton yields, and values the profitability implications for the outgrowing agribusiness.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Treatment: Insecticide-treated net | Experimental | Smallholder farmers in the treatment group are informed that they won a raffle, and receive a free insecticide-treated net |
|
| Control | No Intervention | Smallholder farmers in the control group are informed that they had a chance to win an insecticide-treated mosquito net in a raffle, but did not end up winning |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Insecticide-treated net (BASF Incerceptor) | Device | One per farmer, once during the 2010-2011 season |
|
| Measure | Description | Time Frame |
|---|---|---|
| Cotton Yields | Farmer's cotton yields (kg delivered per household), as defined in the routine data collection system of the participating cotton outgrowing agribusiness | 2010-2011 season (up to 1 year) |
| Measure | Description | Time Frame |
|---|---|---|
| Contract Defaults | Defaults on input loans, as defined in the routine data collection system of the participating cotton outgrowing agribusiness. Odds ratios calculated in accordance with NIH guidance: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2938757/ | 2010-2011 season (up to 1 year) |
| Increase in Maize Productivity |
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Inclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Malaria Control Centre | Lusaka | Zambia |
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| Label | URL |
|---|---|
| status update as of 2 April 2013 | View source |
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| ID | Title | Description |
|---|---|---|
| FG000 | Control | |
| FG001 | Treatment |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | Treatment: Insecticide-treated Net | Smallholder farmers in the treatment group are informed that they won a raffle, and receive a free insecticide-treated net Insecticide-treated net (BASF Incerceptor): One per farmer, once during the 2010-2011 season |
| BG001 | Control |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Cotton Yields | Farmer's cotton yields (kg delivered per household), as defined in the routine data collection system of the participating cotton outgrowing agribusiness | Posted | Mean | Standard Deviation | kg | 2010-2011 season (up to 1 year) |
|
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No participants were deemed at risk of adverse events; no data on adverse events was collected
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Treatment: Insecticide-treated Net | Smallholder farmers in the treatment group are informed that they won a raffle, and receive a free insecticide-treated net Insecticide-treated net (BASF Incerceptor): One per farmer, once during the 2010-2011 season |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Richard Sedlmayr | independent | 6468412169 | richard.sedlmayr@gmail.com |
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| ID | Term |
|---|---|
| D008288 | Malaria |
| ID | Term |
|---|---|
| D011528 | Protozoan Infections |
| D010272 | Parasitic Diseases |
| D007239 | Infections |
| D000096724 | Mosquito-Borne Diseases |
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Increase in self-reported maize productivity (yield on maize plots divided by size of maize plots), collected through validation survey; calculated as maize productivity 2010-11 minus maize productivity 2009-10, measured in bags (ordinarily 50kg bags; however, kg measure not specified) |
| 2009-2010 and 2010-2011 seasons (up to 2 years) |
| Self-reported Malaria Prevalence | Over two weeks before interview, collected through validation survey. Odds ratio calculated in accordance with NIH guidance http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2938757/ | 2010-2011 season (up to 1 year) |
Smallholder farmers in the control group are informed that they had a chance to win an insecticide-treated mosquito net in a raffle, but did not end up winning |
| BG002 | Total | Total of all reporting groups |
|
| Sex/Gender, Customized | Number |
|
| Region of Enrollment | Number | participants |
|
|
|
| Secondary | Contract Defaults | Defaults on input loans, as defined in the routine data collection system of the participating cotton outgrowing agribusiness. Odds ratios calculated in accordance with NIH guidance: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2938757/ | Posted | Number | odds ratio | 2010-2011 season (up to 1 year) |
|
|
|
| Secondary | Increase in Maize Productivity | Increase in self-reported maize productivity (yield on maize plots divided by size of maize plots), collected through validation survey; calculated as maize productivity 2010-11 minus maize productivity 2009-10, measured in bags (ordinarily 50kg bags; however, kg measure not specified) | Subset of study population selected for validation survey | Posted | Mean | Standard Error | bags (not further specified) | 2009-2010 and 2010-2011 seasons (up to 2 years) |
|
|
|
| Secondary | Self-reported Malaria Prevalence | Over two weeks before interview, collected through validation survey. Odds ratio calculated in accordance with NIH guidance http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2938757/ | Subset of study population selected for validation survey | Posted | Number | odds ratio | 2010-2011 season (up to 1 year) |
|
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| 0 |
| 0 |
| 0 |
| 0 |
| EG001 | Control | Smallholder farmers in the control group are informed that they had a chance to win an insecticide-treated mosquito net in a raffle, but did not end up winning | 0 | 0 | 0 | 0 |
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| D000079426 |
| Vector Borne Diseases |