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. 2014 Jan 31;9(1):e87641. doi: 10.1371/journal.pone.0087641

Table 2. Characteristics of the individuals included in the risk factor studies divided by group: Seronegatives, Seroconverters (asymptomatic Leishmania donovani infection) and visceral leishmaniasis (VL) cases.

Seronegatives Seroconverters VLcases
Total number of subjects 6933 510 95
India (%) 4377 (63.1) 419 (82.7) 74 (77.9)
Intervention clusters (%) 3820 (55.1) 293 (57.4) 44 (46.3)
Individual Variables
Age (%) 0–6 1397 (20.1) 86 (16.9) 21 (22.1)
7–13 1750 (25.2) 97 (19.0) 22 (23.2)
14–24 879 (12.7) 83 (16.3) 19 (20.0)
25–39 1265 (18.2) 98 (19.2) 15 (15.8)
+40 1642 (23.7) 146 (28.6) 18 (18.9)
Males (%) 2870 (41.4) 210 (41.2) 56 (58.9)
Malnutrition (%) Normal 5834 (84.1) 397 (77.8) 60 (63.2)
Moderate-Severe 1051 (15.2) 83 (16.3) 7 (7.4)
Missing 48 (0.7) 30 (5.9) 28 (29.5)
Individuals using nets >80% of nights (%) 4541 (65.5) 311 (61.0) 54 (56.8)
Household Variables
Individuals living in thatched houses (%) 2358 (34.0) 227 (44.5) 44 (46.3)
Socio Economic Status (%) 1 (poorest) 1387 (20.0) 103 (20.2) 19 (20.0)
2 1359 (19.6) 130 (25.5) 22 (23.2)
3 1383 (19.9) 102 (20.0) 22 (23.2)
4 1390 (20.0) 100 (19.6) 16 (16.8)
5 (least poor) 1414 (20.4) 75 (14.7) 16 (16.8)
Individuals living in household sprayed ≤ 18 m before Nov 2006 (%) 2701 (39.0) 169 (33.1) 35 (36.8)
Individuals living in household sprayed from Nov 2006 – May 2009 (%) 3084 (44.5) 296 (58.0) 61 (64.2)
Other VL. DAT+. Seroconverters in the house
Individuals living in houses with other VL cases 18 m before Nov 2006 (%) 556 (8.0) 70 (13.7) 14 (14.7)
Individuals living in houses with other DAT-positive individuals in Nov 2006 (%) 2336 (33.7) 250 (49.0) 59 (62.1)
Individuals living in houses with other VL cases between Nov 2006 – May 2009 (%) 276 (4.0) 51 (10.0) 20 (21.0)
Individuals living in houses with other Seroconverters between Nov 2006 – Nov 2008 (%) 1020 (14.7) 182 (35.7) 36 (37.9)
Neighbouring factors
Other VL cases ≤ 18 m before Nov 2006 50 m around the house (%) 3750 (54.1) 310 (60.8) 70 (73.7)
Other DAT-positive individuals in Nov 2006 50 m around the house (%) 5965 (86.0) 474 (92.9) 88 (92.6)
Other VL cases between Nov 2006 – May 2009 50 m around the house (%) 3413 (49.2) 287 (56.3) 61 (64.2)
Other Seroconverters between Nov 2006 – Nov 2008 50 m around the house (%) 5240 (75.6) 450 (88.2) 91 (95.8)
Median density in m2 (Interquartile range)
People 5.14 (4.74; 5.6) 5.28 (4.79; 6.0) 5.41 (4.83; 5.7)
Bovine 0.63 (0.35; 1.1) 0.66 (0.36; 1.0) 0.62 (0.44; 1.0)
Goats 1.05 (0.65; 1.6) 0.97 (0.66; 1.6) 0.99 (0.67; 1.5)