Table 1. Descriptive statistics for demography and socioenvironmental variables by area.
| Characteristic | N | Total N = 2,8081 |
Alto do Cabrito N = 3671 |
Marechal Rondon N = 3321 |
Nova Constituinte N = 3041 |
Pau da Lima N = 1,5121 |
Rio Sena N = 2931 |
p-value2 |
|---|---|---|---|---|---|---|---|---|
| Sociodemographic | ||||||||
| Age (years) | 2,81 | <0.001 | ||||||
| 0 to 16 | 666 (24) | 59 (16) | 48 (14) | 72 (24) | 395 (26) | 92 (31) | ||
| 17 to 29 | 708 (25) | 102 (28) | 74 (22) | 74 (24) | 386 (26) | 72 (25) | ||
| 30 to 44 | 721 (26) | 97 (26) | 84 (25) | 87 (29) | 388 (26) | 65 (22) | ||
| > 45 | 713 (25) | 109 (30) | 126 (38) | 71 (23) | 343 (23) | 64 (22) | ||
| Sex | 2,81 | 0.94 | ||||||
| Male | 1,188 (42) | 159 (43) | 134 (40) | 130 (43) | 639 (42) | 126 (43) | ||
| Female | 1,620 (58) | 208 (57) | 198 (60) | 174 (57) | 873 (58) | 167 (57) | ||
| Ethnicity | 2,77 | <0.001 | ||||||
| Brown | 1,171 (42) | 146 (41) | 148 (46) | 115 (38) | 635 (42) | 127 (45) | ||
| Black | 1,422 (51) | 191 (54) | 151 (47) | 169 (57) | 781 (52) | 130 (46) | ||
| White | 155 (5.6) | 16 (4.5) | 21 (6.6) | 15 (5.0) | 76 (5.0) | 27 (9.5) | ||
| Others | 20 (0.7) | 0 (0) | 0 (0) | 0 (0) | 20 (1.3) | 0 (0) | ||
| Education | 2,81 | <0.001 | ||||||
| 5 or less | 769 (27) | 87 (24) | 84 (25) | 80 (26) | 430 (28) | 88 (30) | ||
| 5 to 9 | 919 (33) | 94 (26) | 103 (31) | 87 (29) | 515 (34) | 120 (41) | ||
| 9 to 12 | 945 (34) | 159 (43) | 121 (36) | 116 (38) | 479 (32) | 70 (24) | ||
| Higher Education | 61 (2.2) | 17 (4.6) | 7 (2.1) | 10 (3.3) | 25 (1.7) | 2 (0.7) | ||
| Never studied | 114 (4.1) | 10 (2.7) | 17 (5.1) | 11 (3.6) | 63 (4.2) | 13 (4.4) | ||
| Employment | 2,81 | 982 (35) | 127 (35) | 105 (32) | 98 (32) | 568 (38) | 84 (29) | 0.016 |
| Risk Actions | ||||||||
| Risk occupation | 2,81 | 215 (7.7) | 24 (6.5) | 37 (11) | 15 (4.9) | 121 (8.0) | 18 (6.1) | 0.029 |
| Walk barefoot | 2,81 | 1,046 (37) | 141 (38) | 105 (32) | 101 (33) | 561 (37) | 138 (47) | <0.001 |
| Use of boots | 2,81 | 559 (20) | 60 (16) | 59 (18) | 58 (19) | 341 (23) | 41 (14) | 0.002 |
| Cleaned sewage | 2,49 | 253 (10) | 27 (8.2) | 43 (14) | 40 (15) | 113 (8.5) | 30 (12) | <0.001 |
| Sewage contact | 2,81 | 600 (21) | 48 (13) | 97 (29) | 56 (18) | 332 (22) | 67 (23) | <0.001 |
| Peridomiciliary | ||||||||
| Open sewer | 2,81 | 955 (34) | 74 (20) | 131 (39) | 97 (32) | 539 (36) | 114 (39) | <0.001 |
| Access to the house is paved? | 2,81 | 2,107 (75) | 325 (89) | 259 (78) | 239 (79) | 1,121 (74) | 163 (56) | <0.001 |
| Wall plastered? | 2,81 | 297 (11) | 19 (5.2) | 40 (12) | 19 (6.2) | 145 (9.6) | 74 (25) | <0.001 |
| Presence of animals in the household | ||||||||
| Cats | 2,81 | 693 (25) | 82 (22) | 79 (24) | 75 (25) | 390 (26) | 67 (23) | 0.60 |
| Dogs | 2,81 | 1,092 (39) | 154 (42) | 108 (33) | 140 (46) | 544 (36) | 146 (50) | <0.001 |
| Chickens | 2,81 | 138 (4.9) | 29 (7.9) | 14 (4.2) | 36 (12) | 41 (2.7) | 18 (6.1) | <0.001 |
| Leptospira seropositivity | 2,81 | 0.97 | ||||||
| Cynopteri | 45 (1.6) | 6 (1.6) | 7 (2.1) | 3 (1.0) | 23 (1.5) | 6 (2.0) | ||
| Icterohaemorrhagiae | 208 (7.4) | 24 (6.5) | 24 (7.2) | 23 (7.6) | 114 (7.5) | 23 (7.8) | ||
| Without evidence of seropositivity | 2,555 (91) | 337 (92) | 301 (91) | 278 (91) | 1,375 (91) | 264 (90) |
1Mean (SD) or Frequency (%)
2Pearson’s Chi-squared test