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Table 3 The test-retest reliability, computed as an intra-class correlation coefficient

From: The reliability and validity of the Turkish version of the school-based asthma and allergy screening questionnaires

Asthma SQ Intraclass Correlation 95% Confidence Interval F Test with True Value 0
Lower Bound Upper Bound Value df Sig
Single Measures 0.682 0.588 0.758 5.297 153 0.000
Average Measures 0.811 0.741 0.863 5.297 153 0.000
Asthma PQ
Single Measures 0.722 0.620 0.801 6.206 110 0.000
Average Measures 0.839 0.765 0.889 6.206 110 0.000
Allergy SQ
Single Measures 0.671 0.574 0.750 5.085 153 0.000
Average Measures 0.803 0.730 0.857 5.085 153 0.000
Allergy PQ
Single Measures 0.712 0.607 0.793 5.951 110 0.000
Average Measures 0.832 0.755 0.885 5.951 110 0.000
  1. Two-way mixed effects model where people effects are random and measures effects are fixed
  2. SQ Student Questionnaire, PQ Parent / Guardian Questionnaire