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Table 3 Determinants of loss to follow-up among TB patients who smoke and are registered in Selangor

From: Characteristics and determinants of loss to follow-up among tuberculosis (TB) patients who smoke in an industrial state of Malaysia: a registry-based study of the years 2013-2017

Variable   Crude OR 95% CI P-value AOR 95% CI p-valuea
Age < 32 1.32 1.04-1.67 0.025 1.08 0.83-1.42 0.537
32-41 1.82 1.44-2.29 < 0.001 1.60 1.23-2.08 0.001
42-53 1.42 1.15-1.82 0.002 1.44 1.11-1.87 0.007
> 53 1    1   
Nationality Malaysian 1.66 1.24-2.20 < 0.001 2.34 1.66-3.30 0.001
Non-Malaysian 1    1   
Locality Urban 1.28 1.04-1.57 0.023 1.55 1.23-1.97 < 0.001
Rural 1      
Income level ≤RM2160 2.21 1.65-2.95 < 0.001 1.59 1.14-2.20 0.006
>RM2160 1      
Employment status Employed 1    1   
Un-employed 1.38 1.18-1.61 < 0.001 1.30 1.09-1.55 0.004
Education Level High Education 1    1   
Secondary school 1.73 1.34-2.49 < 0.001 1.60 1.22-2.10 0.001
Primary school 1.3 0.92-1.84 0.136 1.73 1.16-2.57 0.007
No education 1.82 1.34-2.49 < 0.001 2.29 1.57-3.33 < 0.001
TB case categories New case 1      
Previously treated cases 2.58 2.07-3.22 < 0.001 2.19 1.71-2.81 < 0.001
TB case detection Passive 1      
Active (screening) 2.286 1.64-3.18 < 0.001 2.06 1.40-3.02 < 0.001
X-ray status No lesions 1    1   
Minimal lesions 1.06 0.79-1.42 0.685 1.17 0.84-1.63 0.363
Moderate lesions 1.44 1.06-1.94 0.019 1.60 1.13-2.27 0.008
Severe lesions 1.27 0.72-2.24 0.722 1.17 0.61-2.26 0.641
HIV status Yes 1.78 1.38-2.31 < 0.001 1.36 1.02-1.82 0.037
No 1      
  1. AOR Adjusted odds ratio, CI Confidence interval, B Regression coefficient, Nagelkerke R2 = 0.086, Hosmer and Lemeshow test = 0.603, Classification = 83.0% correct, AUC = 0.672 (95%CI: 65.0-69.3)
  2. aTest used: Multiple Logistic Regression Analysis (Method Backward LR; B Constant = −4.276, Model assumption are met Interaction considered in the model, No Multicollinearity)