T-SPOT.TB | QFT-GIT | TST | ||||
Variable | OR (95% CI) | p Value | OR (95% CI) | p Value | OR (95% CI) | p Value |
Age: 5–7 years vs <5 years | 1.9 (0.4 to 9.0) | NS | 1.6 (0.5 to 5.6) | NS | 1.1 (0.4 to 3.0) | NS |
8–11 years vs <5 years | 5.1 (1.4 to 18.8) | 0.01 | 3.5 (1.2 to 10.1) | 0.02 | 1.6 (0.7 to 3.7) | NS |
12–16 years vs <5 years | 10.2 (2.9 to 36.8) | <0.001 | 5.7 (2.0 to 16.2) | 0.001 | 3.0 (1.3 to 6.7) | 0.008 |
Household TB contact: definite/suspected vs none | 2.5 (0.9 to 6.5) | NS* | 2.4 (1.0 to 5.8) | NS* | 4 (1.7 to 9.5) | 0.001 |
BCG vaccination: scar/history vs none | 1.8 (0.8,4.0) | NS | 1.7 (0.8,3.6) | NS | 1.7 (0.8 to 3.5) | NS* |
Cough: presence vs absence | 4.8 (0.9 to 26.6) | NS* | 1.9 (0.2,17.1) | NS | 4.7 (0.3,80.8) | NS |
Region of origin: African vs Asian | 1.1 (0.5 to 2.5) | NS | 1.2 (0.6 to 2.7) | NS | 0.8 (0.4 to 1.6) | NS |
univariate logistic regression used for all analyses. NS p value >0.05; NS* 0.05 <p value≤0.1.
TB, tuberculosis; TST, tuberculin skin test.