Table 5.
Logistic regression analysis of association of risk factors for LTBI with a positive TST, QFT-GIT, and T-SPOT.TB result
|
Risk factors |
Positive TST result |
Positive QFT-GIT |
Positive T-SPOT.TB |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
n = 41 |
n = 70 |
n = 56 |
||||||||||
|
Univariate |
Multivariate |
Univariate |
Multivariate |
Univariate |
Multivariate |
|||||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | p | OR | 95% CI | |
| Male |
1.75 |
0.81-3.77 |
|
|
2.92 |
1.49-5.75 |
2.92 |
1.49-5.75 |
1.93 |
0.97-3.84 |
1.82 |
0.90-3.67 |
| Age (per year) |
1.01 |
0.97-1.05 |
|
|
1.01 |
0.97-1.04 |
|
|
1.04 |
1.004-1.08 |
1.04 |
1.003-1.08 |
| Imprisonment |
2.31 |
1.08-4.92 |
2.09 |
0.88-4.97 |
2.22 |
1.14-4.31 |
|
|
1.78 |
0.88-3.61 |
|
|
| Unemployment |
0.80 |
0.38-1.69 |
|
|
1.22 |
0.63-2.34 |
|
|
1.15 |
0.57-2.33 |
|
|
| On ART |
0.19 |
0.06-0.62 |
0.15 |
0.04-0.52 |
0.80 |
0.42-1.53 |
|
|
0.66 |
0.32-1.39 |
|
|
| VL <75 |
0.34 |
0.08-1.48 |
|
|
0.63 |
0.24-1.63 |
|
|
1.10 |
0.44-2.73 |
|
|
| CD4 <100 |
- |
- |
|
|
- |
- |
|
|
- |
- |
|
|
| 100 < CD4 <200 |
1.85 |
0.61-5.65 |
0.92 |
0.35-2.42 |
1.34 |
0.53-3.36 |
||||||
| CD4 >200 |
1.44 |
0.59-3.55 |
1.32 |
0.66-2.65 |
0.71 |
0.34-1.47 |
||||||
| Hepatitis C Ab + |
2.38 |
1.19-4.77 |
2.18 |
1.01-4.71 |
1.72 |
0.98-3.00 |
|
|
1.78 |
0.97-3.26 |
|
|
| Hepatitis B sAG + |
1.39 |
0.28-6.96 |
|
|
2.00 |
0.52-7.68 |
|
|
4.36 |
1.13-16.85 |
5.13 |
1.24-21.17 |
| Household Member treated for TB |
1.48 |
0.39-5.62 |
|
|
0.43 |
0.09-1.97 |
|
|
1.48 |
0.44-5.00 |
|
|
| BCG |
2.55 |
0.32-20.18 |
|
|
1.41 |
0.38-5.29 |
|
|
1.78 |
0.38-8.28 |
|
|
| Tobacco |
1.32 |
0.65-2.71 |
|
|
2.02 |
1.09-3.75 |
|
|
1.16 |
0.62-2.18 |
|
|
| ETOH (AUDIT > = 8) |
1.42 |
0.57-3.54 |
|
|
0.94 |
0.41-2.16 |
|
|
1.87 |
0.84-4.17 |
|
|
| Drug Use (DART > =3) | 2.02 | 1.02-4.01 | 2.33 | 1.31-4.16 | 1.42 | 0.76-2.64 | ||||||