Rubber plantations and drug resistant malaria: a cross-sectional survey in Cambodia

Malaria Journal

Table 1 Description of sample

Round 1 (June 2014)
Province	Number of plantations visited	Number of plantation workers interviewed
Province	Number of plantations visited	Temporary^a	Permanent	Total
Kampong Cham	13	273	613	886
Kampong Thom	11	403	404	807
Mondul Kiri	9	308	188	496
Stung Treng	7	223	252	475
Total	40	1207	1457	2664
		Number of blood samples taken
Plantation workers		1227	1469	2699^b
Family members		118	326	444
Total		1345	1795	3143^b

Round 2 (October 2014)
Province	Number of plantations visited	Number of plantation workers interviewed
Province	Number of plantations visited	Temporary^a	Permanent	Total^c
Kampong Cham	13	74	387	461
Kampong Thom	11	155	278	433
Mondul Kiri	8	134	190	325
Stung Treng	8	113	205	318
Total	40	476	1060	1537
		Number of blood sample taken
Plantation workers		475	1057	1534^d
Family members		60	197	257
Total		535	1254	1793^d

^aBased on classification from questionnaire data
^b35 plantation workers had blood samples taken but were not interviewed due to limited time availability. These workers could not be classified as temporary or permanent
^cResidence status could not be determined for one worker interviewed in round two as data were missing from the required questions to categorize them
^dTwo plantation workers did not have blood taken due to lack of consent, while one could not be categorized as temporary or permanent

ISSN: 1475-2875