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Table 3 Knowledge of contact tracing among study and the control TB patients

From: Strengthening contact tracing capacity of pulmonary tuberculosis patients in Enugu, southeast Nigeria: a targeted and focused health education intervention study

Knowledge Baseline Chi-square P-value Post- intervention Chi-square P-value
  Study group Control group    Study group Control group   
  N = 176(%) N = 172(%)    N = 176(%) N = 172(%)   
Meaning of contact tracing:         
Screen all household members 79(44.9) 33(19.2) 26.32 0.000 151(85.8) 36(20.9) 147.22 0.000
95% CI 7.3-44.2     49.3-80.5    
Screen only members who are coughing 107(60.8) 109(63.4) 0.25 0.620 4(2.3) 95(55.2) 119.86 0.000
95% CI 17.4-22.5     -37.7-68.1    
Screen only household coughing out blood 114(64.8) 124(72.1) 2.16 0.142 9(5.1) 119(69.2) 153.58 0.000
95% CI 11.8-26.4     -49.2-79.1