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Table 2 Consistency between 1st and 2nd questionnaire to the ISAAC filter question1

From: Validation of epidemiological tools for eczema diagnosis in brazilian children: the isaac's and uk working party's criteria

 

all the pairs

same respondent

same respondent

and same observer

1 st questionnaire

2nd questionnaire

2nd questionnaire

2nd questionnaire

 

yes

no

Total

yes

no

Total

yes

no

Total

yes

97

108

205

78

71

149

46

41

87

no

70

367

437

49

267

316

27

130

157

Total

167

475

642

127

338

465

73

171

244

 

kappa = 0.33

95% CI 0.25-0.41

kappa = 0.38

95% CI 0.29-0.47

kappa = 0.37

95% CI 0.25-0.49

  1. 1"Has your child ever had an itchy rash that came and went for at least 6 months?"