Table 2.
Characteristics of Baseline Household Contacts of Index Patients by Site and Trial Arm
| Site | Trial Arm | |||
|---|---|---|---|---|
| Characteristic | Mangaung (N = 4202) | Capricorn (N = 4386) | Standard of Care (N = 4129) | Intervention (N = 4459) |
| Age, median (interquartile range), years | 19 (9–38) | 19 (9–36) | 19 (9–37) | 19 (9–37) |
| Sex, male | 1778 (42%) | 1913 (44%) | 1812 (44%) | 1879 (42%) |
| Relationship to index case | ||||
| Spouse | 363 (9%) | 258 (6%) | 288 (7%) | 333 (7%) |
| Child | 1129 (27%) | 1035 (24%) | 1066 (26%) | 1098 (25%) |
| Sibling | 682 (16%) | 919 (21%) | 752 (18%) | 849 (19%) |
| Parent/parent-in-law | 439 (10%) | 509 (12%) | 475 (11%) | 473 (11%) |
| Grandparent | 165 (4%) | 101 (2%) | 140 (3%) | 126 (3%) |
| Grandchild | 390 (9%) | 357 (8%) | 363 (9%) | 384 (9%) |
| Other | 1034 (25%) | 1207 (28%) | 1045 (25%) | 1196 (27%) |
| Joined household, past 15 months | 398 (9%) | 144 (3%) | 279 (7%) | 263 (6%) |
| Has TB symptoms | 567 (14%) | 406 (9%) | 453 (11%) | 520 (12%) |
| If TB symptoms, on treatment | 31 (5%) | 36 (9%) | 40 (9%) | 27 (5%) |
| On antiretroviral therapy | ||||
| Yes | 354 (8%) | 142 (3%) | 206 (5%) | 290 (7%) |
| No | 3783 (90%) | 4194 (96%) | 3861 (94%) | 4116 (92%) |
| Don’t know | 60 (1%) | 42 (1%) | 53 (1%) | 49 (1%) |
Missing values: age (n = 30), entered household in past 15 months (n = 17), TB symptoms (n = 39), antiretroviral therapy (n = 13).
Abbreviation: TB, tuberculosis.