There was no consistent pattern in distribution of car colour by age of vehicle. White, black, grey, red, and silver colour groups were relatively homogeneous with respect to shades included in each group.
White was the most prevalent colour in both cases and controls. Data on car colour were available for all of the controls and all but four of the cases.
SILVER BLUE CAR COLOR DRIVERS
Controls (n = 588) were car drivers identified by cluster sampling of drivers from randomly selected sites on the road network, at randomly selected times, representative of all time spent driving in the study region during the study (response rate 79%). Cases (n = 571) were all car drivers involved in crashes in which one or more of the occupants of the car were admitted to hospital or died (response rate 93%). 3, 4 The study population comprised all drivers of cars on public (urban and rural) roads in the region. The Auckland car crash injury study was conducted in the Auckland region of New Zealand between April 1998 and June 1999.
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