Reports from Sweden - Page 2

Fredrik Jonson wrote:

> The summary may sound partisan towards helmet laws, but inside the report (in swedish) different
> possible interpretations of the data is discussed quite thoroughly.

True. Other explanations of these findings are discussed, but throughout the report the
language used is tilted towards the mandatory helmet law. Several sources of data are discussed
out of context.

And, at 95 pages, the politicians and law makers are only going to read the summary.

The single page summary says...

1)In Australia, for instance, the number of fatalities among cyclists decreased by 45 per cent in
average two years after their helmet laws compared to two years before.

2)The effect of cycle helmet laws on cycling is much debated, but results from studies are not
unambiguous. Several studies, however, indicate that a cycle helmet law may result in a reduction
in cycling by young people and in certain, but temporary, reduction in cycling by younger
children. On the other hand, cycling by adults is probably no influenced.

As Dorre explained these two claims are seriously flawed.

Garry Jones

Dorre wrote:

> The 45% fall in cyclist fatalities in Victoria, Australia, is probably true.

The Swedish report quotes several of your reports in its source list.

Dorre, it is ironic that some of your findings in this Swedish packaging are being used to argue for
a mandatory helmet law. It's not what they say, it what's they leave out that is important here.
Remember the report concluded that

"Several studies show that helmet laws reduce head injuries among bicyclists. In Australia, for
instance, number of fatalities among cyclists decreased by 45 % in average two years after their
helmet laws compared to two years before. The effect of cycle helmet laws on cycling is much
debated, but results from studies are not unambiguous. Several studies, however, indicates that a
cycle helmet law may result in a reduction in cycling by young people and in a certain, but
temporary, reduction in cycling by younger children. On the other hand, cycling by adults is
probably not influenced."

Their research behind this is prolific. The research list names 229 sources. When politicians and
helmet campaigners want the result of the study they just read the conclusion. But in arriving at
these most two important points of this conclusion the authours have.. A)..not mentioned the
statistics you have that prove the 45% was out of proportion to what one would have expected due to
other factors. B) Claimed that cycling by adults is probably not influenced even though the
statistics point to the contary.

So where do we go from here? Would you be able to engage in an email dialogue with the authors about
their findings?

Dorre, here is the resource list they used. You will find yourself here as well as many of the other
reports that have circulated these last ten years.

*****************
Research Source List
*****************

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Garry Jones English Cyclist ResIDING in Sweden