Table.
Baseline characteristics of contacts, index patients, and households
| Total | ||
|---|---|---|
| Contacts (n=2666) | ||
| Age at recruitment (years) | 29 (21–42) | |
| Male | 1237 (46%) | |
| Female | 1429 (54%) | |
| Known to have HIV infection | 4 (<1%) | |
| Index patients (n=715) | ||
| Age at recruitment (years) | 27 (20–36) | |
| Male | 425 (59%) | |
| Female | 290 (41%) | |
| Sputum smear status | ||
| Negative | 16 (2%) | |
| Positive, grade 1 | 253 (35%) | |
| Positive, grade 2 | 210 (29%) | |
| Positive, grade 3 | 236 (33%) | |
| Drug susceptibility | ||
| Sensitive | 581 (81%) | |
| Isoniazid monoresistant | 59 (8%) | |
| Multidrug resistant* | 75 (11%) | |
| Household (n=715) | ||
| Principally cook with kerosene or solid cooking fuels (wood, coal, animal dung, or crop wastes) | 258 (36%) | |
| Wall material | ||
| Adobe | 77 (11%) | |
| Wood | 344 (48%) | |
| Cement or brick | 294 (41%) | |
| Floor material | ||
| Dirt | 258 (36%) | |
| Cement | 415 (58%) | |
| Tiles or laminated | 42 (6%) | |
| Access to piped water inside the house | 327 (46%) | |
| Access to a toilet inside the house | 297 (42%) | |
| Electric lighting | 662 (93%) | |
| Asset ownership | ||
| Television | 649 (91%) | |
| Stove | 696 (97%) | |
| Fridge | 319 (45%) | |
| Head of household did not complete secondary education | 429 (60%) | |
| Rooms in the household | 3 (2–3) | |
| People sleeping in the household | 5 (4–6) | |
| Crowding (more than two people sleeping per room) | 268 (37%) | |
| Monthly household income (US$)† | 153 (98–214) | |
Data are median (IQR) or n (%). Missing data were imputed using the median value because no variables had more than 5% of data missing.
*
Multidrug-resistant tuberculosis was defined in patients initially prescribed a multidrug-resistant tuberculosis treatment regimen or who had microbiological evidence of resistance to rifampicin and isoniazid.
†
Data were obtained in Peruvian Soles (PEN) and converted to US$ using the exchange rate US$1=PEN3·27 (July 13, 2018).