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)
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)

Significant associations in bold.

* Row percent.

 = 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).

Teschke et al.

Teschke et al. BMC Public Health 2012 12:765   doi:10.1186/1471-2458-12-765

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