Table 1 Socio-demographic characteristics of index TB cases treated for TB between Nov 2010-Apr 2013) and relation to Incident TB among household contacts (treated for TB between Nov 2010-Apr 2015)
Index case or household characteristic | Response | # Index TB cases | # of TB cases among HHCsa | Person years for HHCs (PY) | TB incidence for HHCs per 100,000 PY (95% CI) | Adjusted hazard ratiob (95% CI) for HHCs | P valueb |
|---|---|---|---|---|---|---|---|
Age | Children < 15 | 12 (3.49%) | 4 | 147 | 2718 (1020–7242) | 1 | 0.288 |
Adults ≥15 | 332 (96.51%) | 73 | 4566 | 1599 (1271–2011) | 0.55 (0.18–1.65) | ||
Gender | Female | 149 (43.31%) | 34 | 1896 | 1793 (1281–2510) | 1 | 0.619 |
Male | 195 (56.69%) | 43 | 2817 | 1527 (1132–2058) | 0.89 (0.55–1.43) | ||
Marital status | Single | 71 (20.64%) | 21 | 965 | 2177 (1420–3339) | 1 | 0.207 |
Married | 273 (79.36%) | 56 | 3749 | 1494 (1150–1941) | 0.71 (0.41–1.21) | ||
Education | Illiterate | 217 (63.08%) | 42 | 3078 | 1365 (1009–1847) | 1 | 0.180 |
Elementary | 94 (27.33%) | 27 | 1189 | 2270 (1557–3311) | 1.61 (0.97–2.69) | ||
High school or above | 33 (9.59%) | 8 | 446 | 1793 (897–3585) | 1.32 (0.6–2.94) | ||
Occupation | Housewife | 99 (28.78%) | 24 | 1211 | 1982 (1328–2957) | 1 | 0.691 |
Farmer | 163 (47.38%) | 34 | 2478 | 1372 (980–1920) | 0.72 (0.42–1.25) | ||
Daily laborer | 55 (15.99%) | 1 | 87 | 1152 (162–8178) | 1.06 (0.53–2.88) | ||
Student | 6 (1.74%) | 15 | 715 | 2099 (1266–3482) | 0.59 (0.08–4.66) | ||
Others | 21 (6.1%) | 3 | 222 | 1348 (435–4181) | 0.72 (0.21–2.49) | ||
Religion | Christian | 307 (89.24%) | 72 | 4185 | 1721 (1366–2168) | 1 | 0.591 |
Muslim | 33 (9.59%) | 5 | 467 | 1072 (446–2575) | 0.61 (0.24–1.57) | ||
Others | 4 (1.16%) | 0 | 62 | 0 | – | ||
Family size | < 5 | 129 (37.5%) | 21 | 952 | 2207 (1439–3384) | 1 | 0.262 |
5–8 | 190 (55.23%) | 48 | 3064 | 1567 (1181–2079) | 0.71 (0.41–1.21) | ||
> 8 | 25 (7.27%) | 8 | 698 | 1146 (573–2292) | 0.52 (0.22–1.24) | ||
Total | 344 (100%) | 77 | 4713 | 1634 (1307–2043) |