Table 5. Factors associated with incident QFT-GIT positivity among healthcare workers by exposures in hospital D, Bangladesh, 2013–2016.
| Characteristic | QFT-GIT positive % (n/N) | QFT-GIT negative % (n/N) | OR (95% CI) | aOR (95% CI) |
|---|---|---|---|---|
| Sex | ||||
| Male | 6 (6/94) | 94 (88/94) | Reference | |
| Female | 9 (9/105) | 91 (96/105) | 1.37 (0.47–4.02) | |
| History of BCG vaccination | ||||
| Yes | 5 (9/165) | 95 (156/165) | Reference | Reference* |
| No | 17 (5/30) | 83 (25/30) | 3.47 (1.07–11.19) | 3.01 (0.91–9.93) |
| Don’t know | 25 (1/04) | 75 (3/4) | 5.78 (0.55–61.24) | 5.95 (0.55–64.69) |
| Profession | ||||
| Doctorincluding interns and residents and pharmacists | 19 (3/16) | 81 (13/16) | 5.08 (0.76–33.71) | |
| Nurse | 8 (6/77) | 92 (71/77) | 1.86 (0.36–9.62) | |
| Admin Officer | 4 (2/46) | 96(44/46) | Reference | |
| Laboratory Staff | 6 (1/17) | 94 (16/17) | 1.36 (0.12–16.22) | |
| Ancillary workers | 7 (3/43) | 93 (40/43) | 1.65 (0.26–10.39) | |
| Highest education completed | ||||
| None to Primary | 18 (2/11) | 82 (09/11) | 3.06 (0.49–19.20) | |
| Secondary | 7 (3/46) | 93 (43/46) | 0.96 (0.20–4.52) | |
| Higher Secondary | 7 (6/83) | 93 (77/83) | 1.07 (0.29–3.98) | |
| Bachelor and above | 7 (4/59) | 93 (55/59) | Reference | |
| Year worked on pulmonary TB wards | ||||
| 0–10 | 7 (7/95) | 93 (88/95) | Reference | |
| 11–20 | 14 (7/51) | 86 (44/51) | 2.00 (0.66–6.06) | |
| >20 | 0 (0/15) | 100 (15/15) | Undefined | |
| Hours worked on pulmonary TB patients ward per day | ||||
| ≤2 | 12 (6/51) | 88 (45/51) | Reference | |
| >2 | 8 (8/106) | 92 (98/106) | 0.61 (0.20–1.89) | |
| Years of service as healthcare workers | ||||
| ≤ 10 | 7 (8/117) | 93 (109/117) | Reference | |
| 11–20 | 9 (6/59) | 90 (53/59) | 1.54 (0.51–4.67) | |
| >20 | 0 (0/16) | 100 (16/16) | Undefined | |
| Age of starting work in years | ||||
| ≤20 | 17 (04/24) | 83 (20/24) | Reference | |
| 21–25 | 7 (7/95) | 93 (88/95) | 0.40 (0.11–1.49) | |
| 26–30 | 5 (3/66) | 95 (63/66) | 0.24 (0.05–1.16) | |
| >30 | 7 (1/14) | 93 (13/14) | 0.38 (0.04–3.84) | |
| Lived with someone diagnosed with pulmonary TB | ||||
| Yes | 5 (1/21) | 95 (20/21) | 0.58 (0.07–4.61) | |
| No | 8 (14/175) | 92 (161/175) | Reference | |
| Don’t know | 0 (0/3) | 100 (3/3) | Undefined | |
| Ever used a face mask or N 95 respirator | ||||
| Yes | 7 (5/68) | 93 (63/68) | 0.96 (0.31–2.93) | |
| No | 8 (10/131) | 92 (121/131) | Reference | |
OR = Odds Ratio, CI = Confidence interval;
*Adjusted for age of starting work in years, and lived with someone diagnosed with pulmonary TB.