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Table 5 Agreement between Audit and Questionnaire findings for risk factor identified as present

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

  Risk Factor 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 33 (26)* 3 36 0.89 (0.73 – 1.05) 96.2% 8.3% 2.5%
No 3 (9)* 118 121 Good   (2–22%) (1–7%)
Totals 36 121 157     
ALCOHOL Audit       
Questionnaire (self report units) Yes No Totals     
Yes 14 8 22 0.50 (0.13 – 0.88) 85.4% 46.2% 7.2%
No 12 103 115 Moderate   (27–67%) (3–14%)
Totals 26 111 137     
  Audit       
Five shot Yes No Totals     
Yes 19 17 36 0.50 (0.34 – 0.67) 82.6% 26.9% 15.2%
No 7 95 102 Moderate   (12–48%) (9–23%)
Totals 26 112 138     
OBESITY Audit       
Questionnaire Yes No Totals     
Yes 9 0 9 0.82 (0.54 – 1.09) 93.9% 25% 0%
No 3 37 40 Very good   (NA)  
Totals 12 37 49     
DIET Audit       
Questionnaire Yes No Totals     
Yes 13 12 25 NS 56.7% 7.1% 75%
No 1 4 5    (NA) (NA)
Totals 14 16 30     
EXERCISE Audit       
Questionnaire Yes No Totals     
Yes 4 3 7 0.48 (0.00 – 0.95) 75.0% 20.0% 27.3%
No 1 8 9 Moderate   (NA) (NA)
Totals 5 11 16     
  1. * Numbers shown are those who have been designated as smokers by the researchers based on the finding that they reported quitting smoking <28 days ago in the questionnaire. Numbers in brackets are the numbers of people for each category when categorised according to self-report of being a current smoker at the time of completing the questionnaire. NS: P value for Kappa statistic was not significant, indicating that agreement was not different from chance. NA: 95% CI not applicable as sample size too small.