Variables | Study sample (n = 668) | |
---|---|---|
 | Mean ± SD a | Range |
Walking activity | ||
 Walking outside in minutes/week | 206.0 ± 233.6 | 4.0–2100.0 |
Neighbourhood walkability b | ||
 Neighbourhood walkability index | 30.1 ± 15.5 | 0.0–71.5 |
Unstandardised neighbourhood walkability components b | ||
 Population density | 47.29 ± 38.10 | 0.19–230.43 |
 Retail and service destination density | 3.46 ± 5.67 | 0.00–34.70 |
 Land use mix | 0.36 ± 0.17 | 0.00–0.87 |
 Street connectivity | 1.17 ± 0.52 | 0.00–2.70 |
 Green space density | 8.31 ± 8.06 | 0.00–58.89 |
 Sidewalk density | 6.77 ± 4.59 | 0.00–18.90 |
Standardised neighbourhood walkability components b | ||
 Population density | 5.08 ± 4.28 | −0.20-25.64 |
 Retail and service destination density | 1.17 ± 2.20 | −0.18-13.27 |
 Land use mix | 2.46 ± 1.32 | − 0.34-6.38 |
 Street connectivity | 4.14 ± 2.02 | − 0.40-10.07 |
 Green space density | 0.04 ± 0.45 | −0.42-2.89 |
 Sidewalk density | 4.68 ± 3.33 | − 0.24-13.47 |
Time-invariant characteristics | Â | Â |
Sex (%) | Â | Â |
  Men | 46.6 |  |
  Women | 53.4 |  |
 Educational level (%) |  | – |
  Low | 41.0 |  |
  Intermediate | 34.1 |  |
  High | 24.9 |  |
Time-varying characteristics | ||
 Age in years | 67.7 ± 7.2 | 57.8–93.4 |
 Cognitive impairment (%) |  | – |
  No | 97.9 |  |
  Yes | 2.1 |  |
 Mobility disability (%) |  | – |
  No | 94.2 |  |
  Yes | 5.8 |  |
 Season (%) |  | – |
  Winter | 26.9 |  |
  Spring | 27.7 |  |
  Summer | 13.2 |  |
  Autumn | 32.2 |  |
Area-level exposure measures | ||
 Road traffic noise in dB(A) (Median (IQR)) | 52.0 (48.2–56.5) | – |
 Air pollution: PM2.5 absorbance in 10−5 m−1 (Median (IQR)) | 1.19 (1.04–1.36) | – |
 Socioeconomic status score (Median (IQR)) | 0.32 (− 0.22–0.50) | – |