GPs were given special training in diagnosing depression, the suicide rate dropped by two-thirds.
And of course there are other factors that could contribute to a rising suicide rate.
Among the elderly, men over 85 have a suicide rate 1300% higher than their female peers.
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Ministers are committed to reducing the suicide rate by at least 20% by 2010.
The murder rate, to which the suicide rate tends to be related, has fallen.
ECONOMIST: Why do so many young Americans end their own lives?
Michael McGimpsey said north and west Belfast had a suicide rate 64% higher than other areas.
At the individual level, unemployed individuals have between two and four times the suicide rate of those employed.
Now the suicide rate for the whole Army, which historically has been low, exceeds the rate for civilians.
The proposal's backers had argued that keeping soldiers' firearms locked up in armouries would reduce the suicide rate.
According to Prof Orford, problem gambling is associated with a higher suicide rate than that of the general population.
Among 15-to-24-year-olds in Seattle, the total suicide rate was 40% higher, mainly because more youngsters killed themselves with guns.
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The military suicide rate is slightly lower than that of the general public.
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The general suicide rate among all Americans is 12 per 100, 000 per year.
FORBES: But There Isn't An Epidemic Of Suicide In The US Military
In Wales, the suicide rate has increased by about 30% in two years.
The actual suicide rate in the US military seems to be around and about that for the US as a whole.
FORBES: But There Isn't An Epidemic Of Suicide In The US Military
In the Netherlands the suicide rate rose by 49% over two years.
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In some countries the suicide rate seemed especially sensitive to economic stress.
For one thing, not only did antidepressant prescriptions for young people fall after its release, but the suicide rate in kids seemed to jump.
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South Korea has a problem: It has the highest suicide rate among the OECD countries, and one bridge is responsible for many suicide attempts.
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While the suicide rate in the U.S. has risen 31 percent since 1999, the rate among veterans has risen 22 percent in the same period.
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The Army, for instance, introduced new screening and treatment for post-traumatic stress and brain injuries, in response to a suicide rate that began rising in 2005.
Between 2000 and 2006 the suicide rate in Scotland was 79% higher than in England, while for young Scots aged 15-44, it was twice as high.
For example, India has almost half the suicide rate of America, and rising rates of depression have accompanied generally increasing wealth, comfort and freedom in the West.
When domestic gas was detoxified in England and Wales in the 1960s and early 1970s, there was a drop in the suicide rate of about a third, researchers have argued.
So the suicide rate seems to be lower than that of the male population (although higher than that expected from the rate for the general population, which would be 276).
FORBES: But There Isn't An Epidemic Of Suicide In The US Military
The United States Air Force used a similar analysis to bring down the suicide rate within the ranks from 16 per 100, 000 in 1994 to 5.6 per 100, 000 in 1999.
Stuckler and his team are now exploring those country-by-country variances, and whether a country's investment in social safety-net programs is related to how closely the suicide rate mirrors the unemployment rate.
That the suicide rate among those who work at the Foxconn factories was lower than the suicide rate in the general Chinese population did seem to pass many by at the time.
Over the same period, the researchers found, the suicide rate increased in all but two countries and soared by as much as 25% in Ireland, from 9.3 to 11.6 suicides per 100, 000 people.
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