Table 4 The association of QFT positivity between age, BCG status, and smoking status among study populations.
Variables | QFT positivity (n/N) | % | Adjusted OR (95%CI) | p for likelihood ratio test | |
|---|---|---|---|---|---|
Age and smoking status † | |||||
16–29 years | Never-smoker | 224/1938 | 11.56 | Reference | <0.001 |
Ever-smoker | 99.767 | 12.91 | 1.17 (0.90, 1.50) | ||
≥30 years | Never-smoker | 298/1204 | 24.75 | Reference | |
Ever-smoker | 169/513 | 32.94 | 1.49 (1.19, 1.87) | ||
Age and BCG scar status # | |||||
16–29 years | Without BCG | 230/1719 | 13.38 | Reference | 0.583 |
With BCG | 93/986 | 9.43 | 0.67 (0.52, 0.86) | ||
≥30 years | Without BCG | 173/683 | 25.33 | Reference | |
With BCG | 294/1034 | 28.43 | 1.16 (0.93, 1.45) | ||
Smoking and BCG scar status & | |||||
Never-smoker | Absent | 281/1756 | 16.00 | Reference | 0.067 |
Present | 241/1386 | 17.39 | 0.87 (0.71, 1.06) | ||
Ever-smoker | Absent | 122/646 | 18.89 | Reference | |
Present | 146/634 | 23.03 | 1.02 (0.77, 1.35) | ||