Table 2 Results for inter-rater reliability and reliability between GSV and in-field audits using percent agreement and the Kappa statistic
GSV with field | Inter-rater | |||
|---|---|---|---|---|
Item | Percent agreement | Kappa or ICC | Percent agreement | Kappa or ICC |
Pedestrian Infrastructure | ||||
Presence of Sidewalks | 100 | 1.00 | 96.6 | 0.97 |
Sidewalk Continuity | 94.9 | 0.87 | 94.9 | 0.90 |
Sidewalk Buffer | 100 | 1.00 | 100 | N/A |
Sidewalk Quality | 82.1 | 0.63 | 91.5 | 0.81 |
Pedestrian Sign/Timer | 100 | 1.00 | 100 | 1.00 |
Pedestrian Crossing Sign | 92.3 | 0.63 | 94.9 | 0.38 |
Crosswalk Markings | 92.3 | 0.85 | 96.6 | 0.91 |
Benches | 89.7 | 0.73 | 94.9 | 0.74 |
Streetlights | 69.2 | 0.51 | 78.0 | 0.69 |
Curb Cuts | 97.4 | 0.93 | 91.5 | 0.83 |
Curb Cut Quality | 94.9 | 0.64 | 93.2 | 0.31 |
Tactile Paving | 97.4 | 0.93 | 89.8 | 0.79 |
Traffic Calming and Streets | ||||
Traffic Lights | 100 | 1.00 | 100 | 1.00 |
Traffic Island | 97.4 | 0.84 | 94.9 | 0.80 |
Stop Lines | 89.7 | 0.77 | 91.5 | 0.82 |
Stops Signs | 97.4 | 0.98 | 96.6 | 0.91 |
Curb Extension | 97.4 | 0.65 | 98.3 | 0.79 |
Speed Bump | 97.4 | 0.66 | 98.3 | 0.66 |
Bollards | 97.4 | 0.84 | 98.3 | N/A |
Number of Traffic Lanes | 87.2 | 0.84 | 81.4 | 0.70 |
Number of Parking Lanes | 76.9 | 0.82 | 66.1 | 0.64 |
Driveways | 87.2 | 0.85 | 84.7 | 0.76 |
Building Characteristics | ||||
Building Height | 89.4 | 0.88 | 94.9 | 0.91 |
Building Setback | 87.2 | 0.88 | 82.8 | 0.83 |
Building Design Variation | 66.7 | 0.47 | 69.5 | 0.47 |
Transit | ||||
Presence of Transit | 100 | 1.00 | 98.3 | 0.91 |
Type of Transit | 97.4 | 0.92 | 98.3 | 0.93 |
Transit Facilities | 100 | 1.00 | 98.3 | 0.97 |
Bicycling Infrastructure | ||||
Bike Lanes | 92.3 | 0.75 | 98.3 | 0.91 |
Bike Buffer | 100 | 1.00 | 100 | 1.00 |
Bike Facilities | 89.7 | 0.71 | 93.2 | 0.63 |
Aesthetics | ||||
Presence of Trees | 76.9 | 0.70 | 61 | 0.55 |
Shade | 79.5 | 0.55 | 49.2 | 0.16 |
Nature Areas | 82.1 | 0.62 | 84.7 | 0.69 |
Landscaping | 79.5 | 0.56 | 86.4 | 0.42 |
Landscape Maintenance | 94.9 | 0.72 | 86.4 | 0.42 |
Presence of Litter | 71.8 | 0.47 | 71.2 | 0.54 |
Graffiti | 84.6 | 0.69 | 94.9 | 0.88 |
Broken/Boarded Windows | 87.2 | 0.39 | 98.3 | N/A |
Attractive Segment | 66.7 | 0.58 | 57.6 | 0.44 |