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Table 7 Multivariate analysis of the PTB spatial cluster situation

From: Space-time clustering and associated risk factors of pulmonary tuberculosis in southwest China

Variable β Sx Waldx 2 P-value aOR 95% CI
Age    1.499 0.827   
 < 15 0.791 0.797 0.987 0.320 2.207 0.463–10.513
 15–29 0.289 0.351 0.678 0.410 1.335 0.671–2.654
 30–44 0.311 0.342 0.825 0.364 1.365 0.698–2.669
 45–59 0.134 0.341 0.155 0.694 1.144 0.586–2.232
 ≥ 60      1.000  
BMI value    5.236 0.073   
 < 18.5 -0.663 0.322 4.246 0.039 0.516 0.275–0.968
 ≥ 25 -0.494 0.396 1.555 0.212 0.610 0.281–1.326
 18.5–24.9      1.000  
BCG vaccination
 No 0.063 0.283 0.049 0.825 1.065 0.612–1.854
 Yes      1.000  
Chronic bronchitis
 Yes 1.304 0.268 23.757 0.000 3.683 2.180–6.223
 No      1.000  
Pneumoconiosis
 Yes -0.441 1.174 0.141 0.707 0.644 0.065–6.422
 No      1.000  
Other biology-related complication(s)
 Yes -0.297 0.31 0.92 0.337 0.743 0.405–1.363
 No      1.000  
Alcohol intake    1.767 0.413   
 Never 0.002 0.558 0 0.997 1.002 0.335–2.993
 In the past -0.485 0.602 0.649 0.421 0.616 0.189–2.003
 Currently      1.000  
Smoking (active)    5.798 0.055   
 Never -1.08 0.464 5.418 0.020 0.340 0.137–0.843
 In the past -1.059 0.477 4.932 0.026 0.347 0.136–0.883
 Currently      1.000  
Smoking (passive)    0.85 0.654   
 No exposure -0.237 0.329 0.521 0.470 0.789 0.414–1.503
 Light -0.27 0.296 0.834 0.361 0.763 0.428–1.363
 Heavy      1.000  
Annual family income (yuan)    3.263 0.353   
 < 2000 -0.377 0.485 0.604 0.437 0.686 0.265–1.775
 2000–5000 -0.244 0.421 0.335 0.563 0.784 0.344–1.788
 5001–10000 -0.628 0.425 2.188 0.139 0.534 0.232–1.227
 ≥ 10001      1.000  
Occupation    2.382 0.497   
 Farmer/migrant worker -0.506 0.421 1.441 0.230 0.603 0.264–1.377
 Other -0.264 0.593 0.198 0.656 0.768 0.240–2.456
 Unemployed -0.864 0.621 1.934 0.164 0.421 0.125–1.424
 Student      1.000  
Time to medical facility (min)    3.185 0.364   
 < 31 0.55 0.346 2.53 0.112 1.733 0.880–3.412
 31–60 0.072 0.317 0.051 0.821 1.074 0.577–1.999
 61–120 0.302 0.278 1.179 0.277 1.352 0.784–2.330
 ≥ 121      1.000  
Place of residence
 Urban areas 1.771 0.461 14.758 0.000 5.876 2.381–14.502
 Rural areas      1.000  
Coal used for cooking/heating
 Yes 2.236 0.26 73.923 0.000 9.356 5.620–15.576
 No      1.000  
Electricity used for cooking/heating
 Yes -1.564 0.275 32.247 0.000 0.209 0.122–0.359
 No      1.000  
Natural- or biogas used for cooking/heating
 Yes 1.114 0.658 2.867 0.090 3.046 0.839–11.058
 No      1.000  
Living space per person (m2)    1.643 0.650   
 ≤ 10 0.787 0.661 1.415 0.234 2.196 0.601–8.031
 11–25 0.324 0.517 0.391 0.532 1.382 0.501–3.810
 26–50 0.257 0.518 0.246 0.620 1.293 0.468–3.570
 > 50      1.000  
  1. BMI Body mass index, BCG Bacillus Calmette-Guérin