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Table 2 Street-level change in QUALITY residential neigbourhoods between 2008–2015 using both desk-based and on-site audits (n = 287 Montreal street segments). QUALITY Study, 2008–2015

From: Validation of desk-based audits using Google Street View® to monitor the obesogenic potential of neighbourhoods in a pediatric sample: a pilot study in the QUALITY cohort

  Present in 2008 (on-site audits)
n
Present in 2015 (on-site audits)
n
Absolute Difference (% difference) based on 2008 and 2015 on-site audits Present in 2015 (desk-based audits)
n
Absolute Difference (% difference) based on 2008 on-site and 2015 desk-based audits
Traffic lights for pedestrians 21 14 − 7 (− 33.3) 17 − 4 (− 19.0)
Traffic lights for cars 38 39  + 1 (+ 2.6) 41  + 3 (+ 7.9)
All-ways stop signs 112 122  + 10 (+ 8.9) 121  + 9 (+ 8.0)
School corridor 8 46  + 38 (+ 475.0) 56  + 48 (+ 600.0)
Intersection choker1 11 18  + 7 (+ 63.6) 18  + 7 (+ 63.6)
Pedestrian crossing zone2 39 35 − 4 (− 10.3) 42  + 3 (+ 7.7)
30 km/h speed signs 58 30 − 28 (− 48.3) 34 − 24 (− 41.4)
“Watch out for children”/“Children playing”/neighbourhood watch signs 68 31 − 37 (− 54.4) 27 − 41 (− 60.3)
 > 1 traffic calming measure3 99 63 − 36 (− 36.4) 68 − 31 (− 31.3)
 > 1 measure to facilitate pedestrians4 142 152  + 10 (+ 7.0) 157  + 15 (+ 10.6)
 > 1 sign of social disorder5 61 65  + 4 (+ 6.6) 90  + 29 (+ 47.5)
  1. 1Build-outs added to a road at or near the intersection to narrow it
  2. 2This item includes: mid-segment zebra crossing, zebra crossing at the intersection, textured intersection for pedestrians, and pedestrian crosswalk sign
  3. 3The traffic calming measures include speed bumps, mid-segment stop signs, 30 km/h or lower speed limits, large obstacles, or traffic lights
  4. 4The pedestrian-facilitating measures include all-ways stop sign, pedestrian crossing zone, and dedicated traffic lights for pedestrians
  5. 5Signs of social disorder include any visible trash, graffiti, vacant lots, or abandoned buildings