Table 1 Demographic characteristics of the study population stratified by period
Period | ||||
|---|---|---|---|---|
Characteristics | 2001-2004 n = (810) | 2005-2008 n = (1310) | p value | |
Age (mean ± DP) | 38 (±16) | 37 (±15) | 0.2 | |
Gender | Male | 513 (63.6%) | 762 (58.4%) | 0.02 |
Female | 297 (36.4%) | 548 (41.6%) | ||
Index case AFB positive | yes | 609 (75. 2%) | 962 (73. 4%) | 0.3 |
no | 201 (24. 8%) | 348 (26. 6%) | ||
Index case HIV positive | yes | 4(0. 4%) | 5 (0.3%) | 0.9 |
no | 801 (99. 6%) | 1284 (99. 7%) | ||
Contact households | yes | 634 (78. 3%) | 785 (59. 9%) | <0.001 |
no | 176 (21. 7%) | 525 (40. 1%) | ||
Smoking | yes | 82 (10.2%) | 94 (7,2%) | 0.01 |
no | 722 (89.8%) | 1210 (92,8%) | ||
Use of injectable drugs | yes | 2 (0. 2%) | 12 (0.9%) | 0.1 |
no | 801 (99.8%) | 1286 (99. 1%) | ||
Use of non-injectable drugs | yes | 17 (2.1%) | 23 (1.8%) | 0.6 |
no | 786 (97.9%) | 1281 (98.2%) | ||
Residing in poor areas(slum) | yes | 121 (16.0%) | 216 (18.2%) | 0.2 |
no | 635 (84.0%) | 971 (81.8%) | ||
Prisoners/previous hospitalization | yes | 28 (3.5%) | 36 (2.8%) | 0.4 |
no | 776 (96.5%) | 1267 (97.2%) | ||
Diabetes mellitus | yes | 22 (2.7%) | 16 (1.2%) | 0. 01 |
no | 783 (97.3%) | 1294 (98.8%) | ||
Alcohol abuse | yes | 19 (2. 4%) | 45 (3.4%) | 0.2 |
no | 786 (97. 6%) | 1262 (96.5%) | ||
Use of immunosuppressive drugs | yes | 4 (0. 5%) | 4 (0.3%) | 0.4 |
no | 801 (99.5%) | 1299 (99.7%) | ||