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Table 3 Agreement between Audit and Questionnaire findings for Screening of risk factors

From: A comparison of patients' perceptions and an audit of health promotion practice within a UK hospital

  Screening Identified Kappa statistic (95% CI) Strength of agreement Total Agreement False positive (95% CI) False negative (95% CI)
SMOKING        
  Audit       
Questionnaire Yes No Totals     
Yes 143 13 156 0.27 (0.13 – 0.41) 83.1% 11.8% 59.1%
No 18 9 27 Fair   (7–17%) (36–79%)
Totals 161 22 183     
ALCOHOL        
  Audit       
Questionnaire Yes No Totals     
Yes 98 17 115 0.25 (0.12 – 0.39) 62.2% 31.5% 37.8%
No 45 28 73 Fair   (24–40%) (24–53%)
Totals 143 45 188     
DIET        
  Audit       
Questionnaire Yes No Totals     
Yes 31 15 46 0.31 (0.17 – 0.45) 69.0% 57.5% 13.5%
No 42 96 138 Fair   (45–69%) (8–21%)
Totals 73 111 184     
EXERCISE        
  Audit       
Questionnaire Yes No Totals     
Yes 9 33 42 0.19 (0.06 – 0.32) 76.6% 47.1% 20.9%
No 8 125 133 Poor   (N/A) (15–28%)
Totals 17 158 175