Table 2.
Household Contact Demographic and Clinical Information
| Variable | Overall (N = 279) | Lab-Confirmed TB (N = 11) | No Lab-Confirmed TB (N = 268) | P-value* |
|---|---|---|---|---|
| N (%) | N (%) | N (%) | ||
| Female Sex | 201 (72%) | 10 (91%) | 191 (71%) | 0.301 |
| Age Category | ||||
| Under 5 | 10 (4%) | 0 (0%) | 10 (4%) | |
| 5–14 | 55 (20%) | 2 (18%) | 53 (20%) | 0.943 |
| 15–39 | 112 (40%) | 6 (55%) | 106 (40%) | |
| 40–64 | 66 (24%) | 2 (18%) | 64 (24%) | |
| 65 and Older | 36 (13%) | 1 (9%) | 35 (13%) | |
| Female-Headed Household | 146 (52%) | 9 (82%) | 137 (51%) | 0.063 |
| Head of Household Income (Median, IQR**) | 1270 (0–2500) | 1270 (1270–6300) | 1270 (0–2350) | 0.101 |
| Education | ||||
| 8th grade or less | 140 (50%) | 3 (27%) | 137 (51%) | 0.079 |
| At least some high school | 114 (41%) | 5 (45%) | 109 (41%) | |
| More than high school | 25 (9%) | 3 (27%) | 22 (8%) | |
| Unemployed | 149 (53%) | 8 (73%) | 141 (53%) | 0.229 |
| Body Mass Index (Median, IQR) | 24 (20–28) | 21 (19–29) | 24 (20–28) | 0.888 |
| Current Smoker | 11 (4%) | 0 (0%) | 11 (4%) | 0.493 |
| Previous TB Diagnosis | 29 (10%) | 1 (9%) | 28 (11%) | 0.879 |
| History of IPT | 5 (2%) | 0 (0%) | 5 (2%) | 0.658 |
| Number of Household members (Median, IQR) | 5 (4–7) | 6 (5–8) | 5 (4–7) | 0.248 |
| HIV Status | ||||
| HIV-Infected | 19 (7%) | 0 (0%) | 19 (7%) | 0.792 |
| HIV-Uninfected | 97 (35%) | 3 (27%) | 94 (35%) | |
| HIV Status Unknown | 163 (58%) | 8 (73%) | 155 (58%) | |
| TB Symptoms | ||||
| Cough | 41 (15%) | 0 (0%) | 41 (15%) | 0.377 |
| Fever | 42 (15%) | 1 (9%) | 41 (15%) | 1.0 |
| Fatigue | 40 (14%) | 0 (0%) | 40 (15%) | 0.374 |
| Loss of appetite | 13 (5%) | 1 (9%) | 12 (4%) | 0.414 |
| Weight loss | 38 (14%) | 1 (9%) | 37 (14%) | 1.0 |
| Night sweats | 51 (18%) | 1 (9%) | 50 (19%) | 0.695 |
| At least one TB symptom | 122 (44%) | 2 (18%) | 120 (45%) | 0.120 |
| Symptom duration | ||||
| No symptoms | 157 (56%) | 9 (82%) | 148 (55%) | 0.465 |
| < 1 month | 53 (19%) | 1 (9%) | 52 (19%) | |
| 1–6 months | 32 (11%) | 1 (9%) | 31 (12%) | |
| > 6 months | 37 (13%) | 0 (0%) | 37 (14%) | |
| Smear Positive | 1 (0.4%) | 1 (9%) | – | – |
| Culture Positive | 28 (11%) | 10 (91%) | 18 (8%) | – |
| MTB Culture Positive | 10 (4%) | 10 (91%) | – | – |
| Smear or MTB Culture Positive | 11 (4%) | 11 (100%) | – | – |
*Categorical variables were tested using Fisher’s Exact Test, and continuous variables were tested with a Ranksum test
**IQR: Interquartile range