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Suicide Contagion in Canadian youth Ian Colman, PhD Assistant - - PowerPoint PPT Presentation
Suicide Contagion in Canadian youth Ian Colman, PhD Assistant - - PowerPoint PPT Presentation
Suicide Contagion in Canadian youth Ian Colman, PhD Assistant Professor University of Ottawa icolman@uottawa.ca Suicide Clustering Multiple suicides in time and space Suicide Clustering Multiple suicides in time and space Accounts for up to
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Suicide Clustering
Multiple suicides in time and space
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Suicide Clustering
Accounts for up to 13% of teen suicides in the US Multiple suicides in time and space
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Suicide Clustering
Accounts for up to 13% of teen suicides in the US More common among teens than in other age groups Multiple suicides in time and space
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Suicide Clustering
Personal connection Suicide Contagion theory Media / group communication
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National Longitudinal Survey of Children and Youth
- Statistics Canada Survey
- Followed groups of children over time
- Collected data every two years starting in 1994/ 95
- Our study included children aged 1 2 -1 7 years
– more than 8 ,0 0 0 adolescents involved between 1998 & 2007
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Exposure to Suicide
- Has anyone in your school committed suicide?
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Exposure to Suicide
- Has anyone in your school committed suicide?
- Has anyone that you have personally know n
committed suicide?
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Has anyone in your school committed suicide?
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Age 12/13
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Age 14/15
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Age 16/17
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Has anyone you have know n personally committed suicide?
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Age 12/13
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Age 14/15
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Age 16/17
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Suicidal outcomes
In the past 12 months…
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Suicidal outcomes
In the past 12 months…
- did you seriously consider attempting suicide?
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Suicidal outcomes
In the past 12 months…
- did you seriously consider attempting suicide?
- did you attem pt suicide?
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In the last 12 months did you…
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Seriously consider committing suicide? Age 12/ 13
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Seriously consider committing suicide? Age 14/ 15
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Seriously consider committing suicide? Age 16/ 17
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In the last 12 months did you…
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Attem pt suicide? Age 12/ 13
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Attem pt suicide? Age 14/ 15
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Attem pt suicide? Age 16/ 17
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Results
Exposure to suicide Suicidal outcomes measured at the same time
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Exposure to School Suicide
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to School Suicide
6.5 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to School Suicide
6.5 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to School Suicide
6.5 x
more likely
1.8 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to School Suicide
6 x
more likely
3.3 x
more likely
3.5 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to Personal Suicide
4 x
more likely
2.8 x
more likely 1.8 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to Personal Suicide
3.5 x
more likely
3 x
more likely
3 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Results - Long term effects
Exposure to suicide Suicidal outcomes two years later
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Exposure to School Suicide
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to School Suicide
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to School Suicide
2.5 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to Personal Suicide
Swanson & Colman. CMAJ 2013; 185:870-7.
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Exposure to Personal Suicide
2 x
more likely
Swanson & Colman. CMAJ 2013; 185:870-7.
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Results
Personally know ing the victim was not more strongly associated with suicidality compared to schoolmates who didn’t know the deceased
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Results
Other stressful life events affect how kids cope The odds of suicidal ideation after school suicide was greater among those who had experienced a prior m ajor stressful life event
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Results
Previously reported low social support, depression, suicidal ideation, or suicide attempts did not m odify the effects
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Is this just a Canadian phenomenon?
Preliminary results from a study of American teens show that those who reported a friend had attempted suicide were 1 .6 tim es m ore likely to attempt suicide in the following tw o years
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What does this mean?
- Exposure to suicide is very common among adolescents.
- Suicide contagion appears to affect adolescents of all
ages, especially the younger ones
- Effects may linger longer than previously anticipated
- Postvention strategies targeting high-risk youth may be
missing those equally affected
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