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Table 3 Test-Retest Reliability of the SRTS Student Travel Tally by grade level of student

From: Reliability and validity of the Safe Routes to school parent and student surveys

   Trip to School Trip Home After School
  Grade n Mean % Agreement Mean Kappa (95% CI) n Mean % Agreement Mean Kappa (95% CI)
Student Test-Retest        
  K 124 91.9 0.83 (0.67, 1.00) 124 94.4 0.90 (0.77, 1.03)
  1 36 100.0 1.00 (0.70, 1.30) 37 94.6 0.86 (0.61, 1.11)
  2 53 96.2 0.92 (0.66, 1.18) 34 85.3 0.71 (0.47, 0.95)
  3 97 90.7 0.85 (0.72, 0.99) 70 91.4 0.84 (0.68, 1.01)
  4 138 93.5 0.85 (0.71, 0.99) 133 94.7 0.90 (0.76, 1.03)
  5 94 90.4 0.83 (0.67, 0.99) 70 85.7 0.75 (0.59, 0.91)
Parent-Student Agreement        
  K 86 81.4 0.68 (0.51, 0.85) 77 84.4 0.65 (0.50, 0.80)
  1 53 83.0 0.71 (0.50, 0.92) 56 91.1 0.81 (0.63, 0.99)
  2 60 91.7 0.85 (0.65, 1.06) 53 81.1 0.67 (0.49, 0.85)
  3 82 85.4 0.77 (0.62, 0.91) 68 86.8 0.76 (0.59, 0.92)
  4 97 93.8 0.89 (0.72, 1.06) 87 93.1 0.87 (0.71, 1.02)
  5 40 82.5 0.67 (0.46, 0.88) 29 93.1 0.89 (0.68, 1.10)