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Bicycling injuries and mortality in Victoria, 2001–2006

Malcolm J Wardlaw
Med J Aust 2009; 191 (5): 295-296.
Published online: 7 September 2009

To the Editor: Sikic and colleagues state that the 1990 legislation making helmets compulsory for bicyclists in Victoria was associated with a decrease in non-fatal head injuries and fatalities.1 However, of the three citations given to support this statement (references 8–10 in Sikic et al),1 one is a study performed before the helmet law was introduced, another is an editorial, and the third makes the common error of attributing to helmet use the effects of economic recession and road safety campaigns. These together reduced all road deaths in Australia by about a third.2 Careful analysis takes account of such factors.

  • Malcolm J Wardlaw

  • Edinburgh, UK.

Correspondence: mj_wardlaw@hotmail.com

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