Table 1 Summary details of the sampling sites, including the type of sampling market, district, village and geographic positioning of the site

Supermarket

NEsup₁

North East

Sunshine Plaza mall

S21. 11,115, E027. 32,117

Supermarket

NEsup₂

North East

Nzano Centre Mall

S21. 10,697, E027. 30,700

Supermarket

NEsup₃

North East

Sunshine Plaza mall

S21. 11,115, E027. 32,117

Vendor

NEven₁

North east

Francistown Block 6

S21. 12,328, E027. 32,177

Vendor

NEven₂

North East

Francistown bus rank

S21. 10,296, E027.30688

Vendor

NEven₃

North East

Gallo Mall

S21. 10,391, E027. 30,883

Farm

NEfar₁

North East

Ditladi

S21. 26,013, E027. 28,170

Farm

NEfar₂

North East

Gulushabe

S21. 28,718, E027. 31,533

Farm

NEfar₃

North East

Gulushabe

S21. 26,013, E027. 32,100

Supermarket

Csup₁

Central

Palapye

S22. 33,336, E027. 07718

Supermarket

Csup₂

Central

Boiteko junction mall

S22. 25,261, E026. 44,709

Supermarket

Csup₃

Central

Mahalapye

S23. 06551, E026. 50,014

Vendor

Cven₁

Central

Serorome ward

S22. 32,644, E027. 06175

Vendor

Cven₂

Central

Mahalapye Bus rank

S23. 06672, E026. 49,973

Vendor

Cven₃

Central

Shoshong

S23. 01806, E026. 30,813

Farm

Cfar₁

Central

Serowe

S22. 26,013, E026. 44,709

Farm

Cfar₂

Central

Palapye

S22. 34,965, E027. 05266

Farm

Cfar₃

Central

Modiane village

S23. 06628, E026. 43,079

Supermarket

SEsup₁

South East

Pakhalane

S24. 33,836, E025. 58,572

Supermarket

SEsup₂

South East

Rail Park Mall

S24. 39,582, E025. 54,124

Supermarket

SEsup₃

South East

Riverwalk Mall

S24. 40,548, E025. 56,036

Vendor

SEven₁

South East

Gaborone bus rank

S24. 39,516, E025. 54,137

Vendor

SEven₂

South East

Gaborone West

S24. 39,575, E025. 54,047

Vendor

SEven₃

South East

Tlogatloga ward

S24. 39,089, E025. 53,259

Farm

SEfar₁

South East

Glen Valley

S24. 36,864, E025. 58,149

Farm

SEfar₂

South East

Glen Valley

S24. 36,500, E025. 58,293

Farm

SEfar₃

South East

Glen Valley

S24. 36,256, E025. 58,574