Skip to main content

Advertisement

Table 3 Associations between whether at least one bike light was turned on 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

  At least one bike light turned on   
  Yes/No (% Yes/% No)* Unadjusted Odds Ratio (95% Confidence Interval) Adjusted Odds Ratio (95% Confidence Interval)
Trip time of day     
 Day 32/503 (6/94) 1 (reference) 1 (reference)
 Dawn or dusk 22/28 (44/56) 12.6 (6.49 – 24.6) 13.2 (6.42 – 27.2)
 Night 81/24 (77/23) 50.2 (30.0 – 90.2) 71.1 (35.8 – 141)
Trip weather type     
 Clear sky 63/414 (13/87) 1 (reference) 1 (reference)
 Cloud cover 39/93 (30/70) 2.91 (1.83 – 4.61) 3.43 (1.83 – 6.41)
 Fog, mist, rain or snow 25/35 (42/58) 4.85 (2.72 – 8.65) 3.07 (1.33 – 7.10)
 Wind 3/11 (21/79) 2.03 (0.55 – 7.61) 1.75 (0.30 – 10.4)
Trip day of week     
 Weekday 109/422 (21/79) 1 (reference) 1 (reference)
 Weekend 26/133 (16/84) 0.73 (0.45 – 1.19) 0.48 (0.24 – 0.97)
Sex     
 Male 92/318 (22/78) 1 (reference) 1 (reference)
 Female 43/237 (15/85) 0.60 (0.40 – 0.91) 0.56 (0.32 – 0.99)
Helmet worn during trip     
 No 33/179 (16/84) 1 (reference) 1 (reference)
 Yes 102/376 (21/79) 1.45 (0.93 – 2.25) 3.15 (1.61 – 6.16)
  1. Significant associations in bold.
  2. * Row percent.