Univariable and multivariable analysis of risk factors for DR-TB in non-smoker +non-drinker
| Characteristics | non-DR, n=4620 (80.92%) | DR-TB, n=1089 (19.08%) | Univariable analysis | Multivariable analysis | ||
| OR (95% CI) | P value | aOR (95% CI) | P value | |||
| Age (years) (n=4598/n=1085） | ||||||
| 0–14 | 20 (0.43%) | 3 (0.28%) | 0.62 (0.18 to 2.12） | 0.447 | 0.68 (0.20 to 2.32） | 0.536 |
| 15–24 | 767 (16.68%) | 185 (17.05%) | reference | reference | reference | reference |
| 25–44 | 1207 (26.25%) | 318 (29.31%) | 1.09 (0.89 to 1.34） | 0.393 | 1.08 (0.88 to 1.33） | 0.44 |
| 45–64 | 1355 (29.47%) | 332 (30.6%) | 1.02 (0.83 to 1.24） | 0.878 | 0.96 (0.78 to 1.18） | 0.697 |
| >65 | 1249 (27.16%) | 247 (22.76%) | 0.82 (0.66 to 1.01） | 0.065 | 0.78 (0.63 to 0.97） | 0.023* |
| Sex (n=4620/n=1089） | ||||||
| Male | 3551 (76.86%) | 876 (80.44%) | reference | reference | reference | reference |
| Female | 1069 (23.14%) | 213 (19.56%) | 1.24 (1.05 to 1.46） | 0.011* | 1.26 (1.07 to 1.49） | 0.007† |
| Cavity (n=4033/n=952） | ||||||
| Yes | 1762 (43.69%) | 453 (47.58%) | 1.17 (1.02 to 1.35） | 0.03* | 1.14 (0.99 to 1.32） | 0.067 |
| No | 2271 (56.31%) | 499 (52.42%) | reference | reference | reference | reference |
| BMI (n=4453/n=1054） | ||||||
| Underweight: <18.5 | 1054 (23.67%) | 244 (23.15%) | 0.98 (0.83 to 1.15） | 0.785 | 1.01 (0.86 to 1.19） | 0.886 |
| Normal: 18.5 to <25 | 3147 (70.67%) | 745 (70.68%) | reference | reference | reference | reference |
| Overweight: 25.0 to <30 | 226 (5.08%) | 61 (5.79%) | 1.14 (0.85 to 1.53） | 0.382 | 1.11 (0.83 to 1.49） | 0.488 |
| Obesity: ≥30.0 | 26 (0.58%) | 4 (0.38%) | 0.65 (0.23 to 1.87） | 0.424 | 0.62 (0.22 to 1.81） | 0.384 |
| Comorbidities (n=4620/n=1089） | ||||||
| Yes | 532 (11.52%) | 954 (87.60%) | 1.09 (0.89 to 1.33） | 0.415 | 1.15 (0.93 to 1.42） | 0.194 |
| No | 4088 (88.48%) | 135 (12.40%) | reference | reference | reference | reference |
*p<0.05.
†p<0.01.
aOR, adjusted OR; BMI, body mass index; DR-TB, drug-resistant tuberculosis.