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Table 1 Overview of venue and participant selection procedures for each for the venue types

From: Programmatic options for monitoring malaria in elimination settings: easy access group surveys to investigate Plasmodium falciparum epidemiology in two regions with differing endemicity in Haiti

 Primary schoolHealth facilityChurches
Region venue sampledArtibonite; Grand’AnseArtibonite; Grand’AnseArtibonite
Venue
 Sampling frameGovernment and non-governmentalGovernment and non-governmentalConvenience census
 Inclusion criteriaAt least 100 pupils registeredStaffed daily with clinician attending patientsAt least 100 regular attendees
 Sampling strategy- Stratified random sample according to remoteness measured as distance to main roads
- N = 21 (Artibonite); N = 25 (Grand’Anse)
- Census of all functioning facilities
- N = 9 (Artibonite); N = 16 (Grand’Anse)
- Stratified random sample by sub-commune and denomination
- N = 9 (Artibonite)
Participant
 Target sample size- 150 pupils per school- A total of 450 individuals per facility
- 150 individuals per each age category (6 months to 5 years; 6–15 years; > 15 years)
- All attendees
 Sampling strategy- Pupils in class 2 to 6
- 25 pupils per class selected by random number table
- All patients attending the health facility above 6 months of age not requiring urgent medical attention
- All people accompanying patients above 6 months of age
- Above 6 months of age
- Attended the church service
 Consent- Written from school director
- Community parental meetings, with opt-out consent
- Assent from children
- Written informed consent
- Written assent for children 7 to 17 years old
- Written informed consent
- Written assent for children 7 to 17 years old
 Geolocation strategy- All hsRDT-positive individuals by handheld GPS
- Random selection of 30% of people testing hsRDT negative by GPS trackers and/or handheld GPS
- All coordinates collected by handheld GPS
- All hsRDT-positive individuals
- Random selection of 30% of people testing hsRDT negative
- None