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Table 4 Associations between whether highly visible clothing was worn on the torso and trip or personal characteristics, variables retained in adjusted analysis only, each variable on its own (unadjusted) and in multiple logistic regression (adjusted)

From: Personal and trip characteristics associated with safety equipment use by injured adult bicyclists: a cross-sectional study

  Highly visible clothing worn on the torso   
  Yes/No (% Yes/% No)* Unadjusted Odds Ratio (95% Confidence Interval) Adjusted Odds Ratio (95% Confidence Interval)
Trip weather type     
 Clear sky 172/305 (36/64) 1 (reference) 1 (reference)
 Cloud cover 44/88 (33/67) 0.88 (0.53 – 1.33) 0.85 (0.56 – 1.29)
 Fog, mist, rain or snow 10/50 (16/84) 0.36 (0.18 – 0.72) 0.33 (0.16 – 0.68)
 Wind 4/10 (29/71) 0.79 (0.24 – 2.60) 0.85 (0.26 – 2.86)
Age     
 19 - 29 78/185 (30/70) 1 (reference) 1 (reference)
 30 - 39 54/114 (32/68) 1.15 (0.75 – 1.74) 1.19 (0.78 – 1.83)
 40 - 49 41/76 (35/65) 1.32 (0.83 – 2.10) 1.35 (0.84 – 2.16)
 50 - 59 37/46 (45/55) 1.95 (1.17 – 3.25) 1.85 (1.10 – 3.10)
 ≥ 60 19/37 (34/66) 1.25 (0.68 – 2.32) 1.27 (0.68 – 2.38)
Cycling frequency (trips per year) 164 vs. 145   1.17 (1.05 - 1.36) 1.17 (1.05 - 1.30)
  1. Significant associations in bold.
  2. * Row percent.
  3.  = continuous variable: mean trips per year for yes vs. no; odds ratio and 95% confidence interval for 52 trips per year (equivalent to cycling once per week).