Trends and Disparities in Homicides and Suicides in Winnebago County from 1968-2010
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Transcript of Trends and Disparities in Homicides and Suicides in Winnebago County from 1968-2010
Introduction Homicides Suicides Conclusions
Trends and Disparities in Homicides and Suicidesin Winnebago County from 1968–2010
Jeffrey B. Wang
Harvard University
August 20, 2013
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 1 / 13
Introduction Homicides Suicides Conclusions
Motivation
Rockford is rated as the 9th most dangerous city in the US
Homicides and suicides account for 32% of all teenager(15–24) deaths in Illinois
Homicides in 2005 cost the state $2.4 trillion
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 2 / 13
CDC, WISQARS, 2012
Introduction Homicides Suicides Conclusions
Overview
Previous Work – Harrison, 2008
Examined overall trends in homicides and suicides inWinnebago from 1979–2005
Identified disparities in suicides from 2000–2005
Objectives
Expand focus to existing mortality data from 1968–2010
Cross-reference data to Crime Databases from Illinois Stateand Rockford PD
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 3 / 13
Introduction Homicides Suicides Conclusions
Overview
Previous Work – Harrison, 2008
Examined overall trends in homicides and suicides inWinnebago from 1979–2005
Identified disparities in suicides from 2000–2005
Objectives
Expand focus to existing mortality data from 1968–2010
Cross-reference data to Crime Databases from Illinois Stateand Rockford PD
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 3 / 13
Introduction Homicides Suicides Conclusions
Methods
Criteria for selection:1 Resident of Winnebago County2 Mortality occured in Winnebago County3 Primary cause of death ICD coded as suicide or assault
Demographics and mortality data drawn from CDC WONDER
Violent crime data extracted from Uniform Crime Reportspublished by Illinois State Police
Homicide demographics and locations acquired from RockfordPD by FOIA Request
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 4 / 13
Introduction Homicides Suicides Conclusions
Methods
Criteria for selection:1 Resident of Winnebago County2 Mortality occured in Winnebago County3 Primary cause of death ICD coded as suicide or assault
Demographics and mortality data drawn from CDC WONDER
Violent crime data extracted from Uniform Crime Reportspublished by Illinois State Police
Homicide demographics and locations acquired from RockfordPD by FOIA Request
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 4 / 13
Introduction Homicides Suicides Conclusions
Overall Trends in Homicides
1975 1980 1985 1990 1995 2000 2005 20102
3
4
5
6
7
8
Year
Cru
de
Rat
epe
r10
0,00
0
Total5Homicides
Firearm5Homicides
Illinois5Average
National5Average
Crude5Homicide5Rates5per5100,0005Population
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 5 / 13
Introduction Homicides Suicides Conclusions
Overall Trends in Homicides
1975 1980 1985 1990 1995 2000 2005 20100
20
40
60
80
Year
Per
cen
t
Proportion9of9Homicides9Committed9with9a9Firearm
National9AverageIllinois9Average
Winnebago9County
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 5 / 13
Introduction Homicides Suicides Conclusions
Role of Violent Crime
1996 1998 2000 2002 2004 2006 20080
100
200
300
400
500
600
Year
CrudeRateper100,000
Crude AssaultRates per 100,000 CrimeReport
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 6 / 13
Introduction Homicides Suicides Conclusions
Role of Violent Crime
1996 1998 2000 2002 2004 2006 20080.0
0.5
1.0
1.5
2.0
2.5
3.0
Year
Percent
Proportionof Assaults that Escalated to Homicide
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 6 / 13
Introduction Homicides Suicides Conclusions
Demographics
Risk Factors for Homicides
Race Age Group Homicides Rate
Black
15-24 42 59.4
25-34 35 60.4
35-44 17 31.1
Other 13 5.5
Total 107 25.5
White
15-24 22 6.1
25-34 22 5.9
35-44 18 4.1
45-54 16 3.6
Other 30 2.3
Total 108 3.7
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 7 / 13
Introduction Homicides Suicides Conclusions
Demographics
Risk Factors for Homicides
Race Age Group Homicides Rate
Black
15-24 42 59.4
25-34 35 60.4
35-44 17 31.1
Other 13 5.5
Total 107 25.5
White
15-24 22 6.1
25-34 22 5.9
35-44 18 4.1
45-54 16 3.6
Other 30 2.3
Total 108 3.7
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 7 / 13
Introduction Homicides Suicides Conclusions
Demographics
Risk Factors for Homicides
Race Age Group Homicides Rate
Black
15-24 42 59.4
25-34 35 60.4
35-44 17 31.1
Other 13 5.5
Total 107 25.5
White
15-24 22 6.1
25-34 22 5.9
35-44 18 4.1
45-54 16 3.6
Other 30 2.3
Total 108 3.7
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 7 / 13
Introduction Homicides Suicides Conclusions
Locations of Homicides
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 8 / 13
Introduction Homicides Suicides Conclusions
Overall Trends in Suicides
1975 1980 1985 1990 1995 2000 2005 20100
2
4
6
8
10
12
14
Year
Cru
de
Rat
epe
r10
0,00
0
Crude7Suicide7Rates7per7100,0007Population
National7Average
Total7Suicides
Illinois7Average
Firearm7Homicides
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 9 / 13
Introduction Homicides Suicides Conclusions
Overall Trends in Suicides
1975 1980 1985 1990 1995 2000 2005 20100
10
20
30
40
50
60
70
Year
Per
cen
t
Proportion9of9Suicides9Committed9with9a9Firearm
National9Average
Illinois9Average
Winnebago9County
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 9 / 13
Introduction Homicides Suicides Conclusions
Demographics
Caucasian males aged 35–44 are roughly two times more likelyto commit suicide than average
Suicide by asphyxiation and drug overdose are on the rise
Age disparities are not nearly as dramatic as those ofhomicides
Due to low-number noise, age breakdown by race or gender isnot possible
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 10 / 13
Introduction Homicides Suicides Conclusions
Summary
Identified major risk groups for homicides and suicides
Homicides: African American Teens and Young AdultsSuicides: Caucasian Middle-Aged Men
Showed that firearm-related homicides are on the rise,whereas firearm-related suicides are declining
No clear trends between Firearm Permit Issuance andfirearm-related crimes
Possible implication that homicide problems are reflective of amore general epidemic of violence
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 11 / 13
Introduction Homicides Suicides Conclusions
Summary
Identified major risk groups for homicides and suicides
Homicides: African American Teens and Young AdultsSuicides: Caucasian Middle-Aged Men
Showed that firearm-related homicides are on the rise,whereas firearm-related suicides are declining
No clear trends between Firearm Permit Issuance andfirearm-related crimes
Possible implication that homicide problems are reflective of amore general epidemic of violence
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 11 / 13
Introduction Homicides Suicides Conclusions
Summary
Identified major risk groups for homicides and suicides
Homicides: African American Teens and Young AdultsSuicides: Caucasian Middle-Aged Men
Showed that firearm-related homicides are on the rise,whereas firearm-related suicides are declining
No clear trends between Firearm Permit Issuance andfirearm-related crimes
Possible implication that homicide problems are reflective of amore general epidemic of violence
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 11 / 13
Introduction Homicides Suicides Conclusions
Future Directions
Establish a local database for homicides and suicides inconjunction with Rockford PD and local hospitals
Investigate relationship between number of recovered illegalweapons and homicides
Develop intervention and education strategies to deter violentactivity among teens
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 12 / 13
Introduction Homicides Suicides Conclusions
Acknowledgments
Mr. Maichle Bacon,WCHD
Ms. Kim Binder and Ms.Becky Bartkowicz,Rockford PD
Lieutenant Steve Lyddon,Illinois State Police
Jeffrey B. Wang Winnebago County Homicides and Suicides August 20, 2013 13 / 13