Table 2 Test-Retest Reliability and Convergent Validity of the SRTS Student Travel Tally
From: Reliability and validity of the Safe Routes to school parent and student surveys
| Â | Six Travel Modes (surveyed) | Five Travel Modes (family vehicle & carpool combined) | ||||
|---|---|---|---|---|---|---|
| Â | n | Mean % Agreement | Mean Kappa (95% CI) | n | Mean % Agreement | Mean Kappa (95% CI) |
Test-Retest of Student Responses | Â | Â | Â | Â | Â | Â |
   Trip to school | 542 | 92.8 | 0.86 (0.79, 0.93) | 542 | 94.1 | 0.88 (0.81, 0.96) |
   Trip home | 468 | 92.1 | 0.85 (0.78, 0.92) | 468 | 92.9 | 0.86 (0.79, 0.93) |
Comparison of Student and Parent Responses | Â | Â | Â | Â | Â | Â |
   Trip to school | 418 | 86.8 | 0.78 (0.70, 0.85) | 418 | 90.4 | 0.82 (0.74, 0.91) |
   Trip home | 370 | 88.1 | 0.77 (0.70, 0.84) | 370 | 91.1 | 0.82 (0.75, 0.90) |