Table 3 Summary of sampling procedures across the study countries
Cambodia | Lao PDR | Myanmar | Thailand | |
|---|---|---|---|---|
Dates of data collection | August 17th to October 1st, 2015 | November 18th to December 29th, 2015 | August 18th, 2015, to January 4th, 2016 | February 9th to March 22nd, 2016 |
Stratification | National, two domains based on the WHO evidence about artemisinin resistance to define a 3-tier stratification [45]: Tier 1 provinces (prioritized for immediate multifaceted response to contain or eliminate resistance) Tier 2 provinces (prioritized for intensified malaria control to reduce transmission and/or limit the risk of emergence or spread of resistant parasites) | Sub-national, five southern provinces | National, four geographic domains: Eastern domain Central domain Western domain Coastal domain | Sub-national, two geographic domains: Thai–Cambodia border areas Thai–Myanmar border areas |
Number of clusters | 160 Communes | 77 Village groups | 808 Wards and village tracts | 194 Sub-districts |