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Table 4 Within groups comparison of knowledge of contact tracing among TB patients

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

Knowledge Study group Chi-square P-value Control group Chi-square P-value
  Baseline Post-intervention    Baseline Post-intervention   
  N = 176(%) N = 176(%)    N = 172(%) N = 172(%)   
Meaning of contact tracing:         
Screen all household members 79(44.9) 151(85.8) 65.03 0.000 33(19.2) 36(20.9) 0.16 0.686
95% CI   23.3-58.5    -14.9-18.3    
Screen only members who are coughing 107(60.8) 4(2.3) 139.60 0.000 109(63.4) 95(55.2) 2.36 0.124
95% CI -43.7-73.3     12.1-28.5    
Screen only household coughing out blood 114(64.8) 9(5.1) 137.78 0.000 124(72.1) 119(69.2) 0.35 0.554
95% CI -44.5-74.9     15.9 -21.8