Table 1. Baseline sero-status and seroconversion rates in the 4 study cohorts.

Cohort	Number of subjects	Sero-positive at Baseline		Sero-conversion follow-up*
		DAT	rK39	DAT	rK39
1: KALANET India	7,345	942 (12.8%)	851 (11.6%)	347 (6.2%)	NA
2: KALANET Nepal	5,063	225 (4.4%)	323 (6.4%)	124 (2.9%)	NA
3: TMRC Old area	12,664	800 (6.3%)	678(5.4%)	261 (2.5%)	136 (1.3%)
4: TMRC New area	7,457	735 (9.9%)	556 (7.5%)	254 (4.6%)	453 (7.9%)
All	32,529	2,702(8.3%)	2,408(7.4%)	986 (3.8%)	588 (3.7%)

percentages expressed as a proportion of initial sero-negatives enrolled in second round survey.