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Table 5 Comparison of the families and household characteristics among the three areas evaluated in the cross-sectional study, Belo Horizonte, Minas Gerais, Brazil

From: Effectiveness of the Brazilian Visceral Leishmaniasis Surveillance and Control Programme in reducing the prevalence and incidence of Leishmania infantum infection

Variables AI 2006 AI 2008 AI 2010 P-value
n (%) n (%) n (%)
Number of households 229 223 207  
Education level of the household head
 Higher education in course or completed 21 (9.2) 16 (7.2) 45 (21.8) 0.001
 High-school (completed) 103 (45.2) 121 (54.3) 86 (41.7)
 Foundation (completed) 51 (22.4) 40 (17.9) 36 (17.5)
 Primary school (completed) 32 (14.0) 41 (18.4) 27 (13.1)
 Illiterate 21 (9.2) 5 (2.2) 12 (5.8)
Socio-economic class (BMMW)
 A1, A2 and B1 (20.8 to 4.2) 24 (10.5) 31 (13.9) 49 (23. 7) 0.001
 B2 (4.1 to 2.5) 54 (23.6) 66 (29.6) 72 (34.8)
 C1, C2 and D (2.4 to 1.1) 151 (65.9) 126 (56.5) 86 (41.5)
Chickens
 Present 34 (14.8) 24 (10.8) 18 (8.7) 0.12
 Absent 195 (85.1) 199 (89.2) 189 (91.3)
Dogs
 Present 119 (51.9) 120 (53.8) 104 (50.2) 0.76
 Absent 110 (48.0) 103 (46.2) 103 (49.8)
Peridomicilar plants
 Present 162 (70.7) 145 (65.0) 151 (72.9) 0.02
 Absent 65 (28.4) 78 (35.0) 55 (26.6)
Neighbourhood trees
 Present 148 (64.6) 139 (62.3) 136 (65.7) 0.75
 Absent 81 (35.4) 84 (37.7) 71 (34.3)
Rubble
 Present 93 (40.6) 68 (30.5) 56 (27.1) 0.01
 Absent 132 (57.6) 153 (68.6) 151(72.9)
Gully
 Present 82 (35.8) 49 (22.0) 42 (20.3) 0.001
 Absent 144 (62.9) 174 (78.0) 164 (79.2)
Waste
 Present 35 (15.3) 30 (13.5) 31 (15.0) 0.19
 Absent 191(83.4) 193 (86.5) 176 (85.0)
  1. Abbreviations: AI2006, area of intervention since 2006; AI2008, area of intervention since 2008; AI2010, area of intervention since 2010; BMMW, Brazilian monthly minimum wage; Class A1, A2 and B1 (20.8 to 4.2 BMMW); Class B2, (4.1 to 2.5 BMMW); Class C1, C2 and D (2.4 to 1.1 BMMW)