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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Accid Anal Prev. 2020 May 14;142:105576. doi: 10.1016/j.aap.2020.105576

Table A-1:

Pooled distance-based, time-based risk ratios, and the confidence intervals after 10,000 iterations

Distance-based risk ratio (CI a) Time-based risk ratio (CI)

Age category
 16–24 2.54 (2.08, 3.10) 2.60 (1.92, 3.52)
 25–44 1.33 (1.11, 1.60) 1.30 (1.06, 1.59)
 45–64 -- b --
 ≥ 65 1.50 (1.27, 1.77) 1.56 (1.22, 2.00)
Gender
 Female -- --
 Male 1.75 (1.54, 2.00) 1.74 (1.45, 2.09)
Time-of-day
Daytime -- --
 Nighttime 3.13 (2.74, 3.57) 2.99 (2.49, 3.59)
Day-of-week
 Weekend -- --
 Weekday 0.78 (0.69, 0.90) 0.77 (0.64, 0.93)
a

Confidence intervals;

b

Reference group.