Table 2 Odds ratios (95% CI) for reporting leisure and commuter cycling in past month by quartiles of Road Traffic Volume Index Score
From: Assessing the impact of road traffic on cycling for leisure and cycling to work
| Â | Odds of leisure cycling (95% CI) a | Odds of commuter cycling (95% CI) b | ||
|---|---|---|---|---|
| Â | Men | Women | Men | Women |
RTVIS within 500 m | Â | Â | Â | Â |
   Quartile 1 (Light Traffic) | 1.00 | 1.00 | 1.00 | 1.00 |
   Quartile 2 | 1.11 (0.92-1.34) | 1.11 (0.92-1.34) | 0.73 (0.50-1.07) | 1.14 (0.82-1.57) |
   Quartile 3 | 1.80 (0.98-1.42) | 1.16 (0.97-1.40) | 0.71 (0.48-1.04) | 1.06 (0.76-1.50) |
   Quartile 4 (Heavy Traffic) | 1.23 (1.02-1.48) | 1.05 (0.88-1.26) | 0.76 (0.53-1.12) | 1.20 (0.87-1.66) |
RTVIS within 1000 m | Â | Â | Â | Â |
   Quartile 1 (Light Traffic) | 1.00 | 1.00* | 1.00 | 1.00 |
   Quartile 2 | 0.89 (0.74-1.06) | 0.71 (0.60-0.85) | 0.80 (0.50-1.28) | 1.27 (0.89-1.81) |
   Quartile 3 | 0.73 (0.61-0.88) | 0.47 (0.39-0.57) | 1.60 (1.06-2.39) | 1.37 (0.97-1.94) |
   Quartile 4 (Heavy Traffic) | 0.49 (0.40-0.60) | 0.48 (0.39-0.58) | 1.27 (0.83-1.93) | 1.01 (0.70-1.46) |
RTVIS within 2000 m | Â | Â | Â | Â |
   Quartile 1 (Light Traffic) | 1.00* | 1.00* | 1.00 | 1.00 |
   Quartile 2 | 0.83 (0.70-0.99) | 0.68 (0.57-0.80) | 1.08 (0.69-1.70) | 1.44 (1.01-2.04) |
   Quartile 3 | 0.68 (0.56-0.81) | 0.51 (0.42-0.61) | 1.64 (1.07-2.50) | 1.34 (0.94-1.91) |
   Quartile 4 (Heavy Traffic) | 0.43 (0.35-0.53) | 0.43 (0.35-0.52) | 1.53 (1.00-2.34) | 1.10 (0.76-1.60) |
RTVIS within 3200 m | Â | Â | Â | Â |
   Quartile 1 (Light Traffic) | 1.00* | 1.00* | 1.00 | 1.00 |
   Quartile 2 | 0.77 (0.65-0.92) | 0.71 (0.60-0.84) | 0.86 (0.54-1.36) | 1.67 (0.17-2.36) |
   Quartile 3 | 0.61 (0.51-0.74) | 0.47 (0.39-0.57) | 1.58 (1.04-2.37) | 1.14 (0.78-1.65) |
   Quartile 4 (Heavy Traffic) | 0.41 (0.33-0.50) | 0.42 (0.35-0.52) | 1.31 (0.86-2.00) | 1.11 (0.76-1.61) |