Variable | N (%) | Crude estimate (standard error) | Crude odds ratio (95%CI) a | Adjusted estimate (standard error) | Adjusted odds ratio (95% CI) b |
---|---|---|---|---|---|
Bicyclist age category, years | |||||
3–14 | 343 (36.4) | 0.04 (0.10) | 1.04 (0.85–1.27) | −0.04 (0.11) | 0.96 (0.78–1.18) |
15–24 | 418 (38.1) | 0.11 (0.10) | 1.12 (0.93–1.35) | 0.08 (0.01) | 1.08 (0.89–1.31) |
25–44 | 296 (35.5) | -- c | -- c | -- c | --c |
45–64 | 323 (39.8) | 0.18 (0.11) | 1.20 (0.98–1.48) | 0.17 (0.11) | 1.19 (0.97–1.47) |
65+ | 73 (46.1) | 0.44 (0.18) * | 1.56 (1.10–2.21) | 0.38 (0.18) * | 1.46 (1.03–2.08) |
Weather condition | |||||
Non-adverse weather condition | 1364 (38.3) | -- c | --c | -- c | --c |
Adverse weather condition | 89 (31.6) | −0.30 (0.14) * | 0.74 (0.57–0.97) | − 0.21 (0.14) | 0.81 (0.62–1.07) |
Time-of-day | |||||
Daytime | 1154 (38.8) | -- c | --c | -- c | --c |
Nighttime | 299 (34.6) | −0.19 (0.08) * | 0.83 (0.71–0.98) | −0.07 (0.09) | 0.93 (0.78–1.11) |
Quarter | |||||
Quarter 1(January–March) | 84 (30.7) | −0.42 (0.14) ** | 0.66 (0.50–0.87) | −0.43 (0.15) ** | 0.65 (0.49–0.87) |
Quarter 2 (April–June) | 482 (40.4) | 0.00 (0.08) | 1.00 (0.86–1.17) | 0.02 (0.08) | 1.02 (0.87–1.19) |
Quarter 3 (July–September) | 667 (40.3) | -- c | --c | -- c | --c |
Quarter 4 (October–December) | 220 (30.5) | −0.43 (0.10) ** | 0.65 (0.53–0.79) | −0.42 (0.10) ** | 0.66 (0.54–0.81) |
Year-of-crash | |||||
2013 | 267 (34.0) | -- c | --c | -- c | --c |
2014 | 304 (37.9) | 0.17 (0.11) | 1.19 (0.96–1.47) | 0.14 (0.11) | 1.15 (0.92–1.43) |
2015 | 263 (36.8) | 0.12 (0.12) | 1.13 (0.89–1.42) | 0.12 (0.12) | 1.13 (0.89–1.43) |
2016 | 304 (39.1) | 0.22 (0.11) * | 1.25 (1.01–1.54) | 0.23 (0.11) * | 1.26 (1.02–1.56) |
2017 | 315 (41.2) | 0.31 (0.11) ** | 1.36 (1.09–1.69) | 0.31 (0.11) ** | 1.36 (1.09–1.70) |