Data management
Household data collected during the census and ITN follow up surveys will be captured on electronic forms using smartphones installed with OpenDataKit (ODK) Collect while entomological data will be recorded on data entry forms and double entered pre-designed excel data bases. Throughout the study, electronic data will be stored encrypted while paper forms will be locked up in secured cabinets and will be available only to study investigators and data management staff by passwords and keys. All personal data will be anonymized using a unique identifier number for each participant and household to ensure confidentiality. At the end of the study, all electronic files and data entry forms will be respectively stored on the server and archive of the CREC-LSHTM GLP certified facility for 10 years.