Re: Helmet efficacy test

On Wed, 26 Mar 2025 16:46:59 +0700, John B. <slocombjb@gmail.com>
wrote:

On Wed, 26 Mar 2025 02:24:04 -0400, Catrike Ryder
<Soloman@old.bikers.org> wrote:
>

On Wed, 26 Mar 2025 08:41:02 +0700, John B. <slocombjb@gmail.com>
wrote:

(chomp)

???
https://www.unsw.edu.au/newsroom/news/2019/02/cycling-fatalities-almost-halved-since-introduction-of-mandatory
"The evidence is in: Australian mandatory helmet laws brought in to
reduce fatalities in cycling have worked, with a world-first study of
such laws at UNSW Sydney.... showing they led to an immediate 46% drop
in fatalities and have saved billions of dollars in medical costs
since 1990."

>
How much of that was because people stopped riding bicycles?

>
I have no idea but Australia has reported that in some areas that
mandated 100% helmets use the number of participants decreased.

"Australia’s helmet law disaster"  (April 2012)
<https://www.aph.gov.au/DocumentStore.ashx?id=173283f8-7b1c-4cb7-9e9f-52ee031627a2&subId=354928>

"When the laws were introduced in the early 1990s, cycling trips
declined by 30-40 per cent overall, and up to 80 per cent in some
demographic groups, such as secondary school-aged females."

"A recent survey from University of Sydney Professor Chris Rissel
found 23 per cent of Sydney adults would ride more if helmets were
optional, a significant proportion given that only about 15-20 per
cent of people ride regularly at present."

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Jeff Liebermann                 jeffl@cruzio.com
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