Andrew Conner1, Deborah Azrael2, Matthew Miller3. 1. Quinnipiac University, North Haven, Connecticut (A.C.). 2. Harvard T.H. Chan School of Public Health, Boston, Massachusetts (D.A.). 3. Harvard T.H. Chan School of Public Health and Northeastern University, Boston, Massachusetts (M.M.).
Abstract
Background: The suicide case-fatality rate (CFR)-the proportion of suicidal acts that are fatal-depends on the distribution of methods used in suicidal acts and the probability of death given a particular method (method-specific CFR). Objective: To estimate overall and method-specific suicide CFRs and the distribution of methods used in suicidal acts by demographic characteristics. Design: Cross-sectional study. Setting: United States, 2007 to 2014. Participants: Suicide deaths (n = 309 377 records from the National Vital Statistics System) and nonfatal suicide attempts requiring treatment in an emergency department (ED) (n = 1 791 638 records from the Nationwide Emergency Department Sample) or hospitalization (n = 1 556 871 records from the National [Nationwide] Inpatient Sample) among persons aged 5 years or older. Measurements: Rates of suicide deaths and nonfatal suicide attempts, overall and method-specific CFRs, and distribution of methods used, by sex, age group, region, and urbanization. Results: Overall, 8.5% of suicidal acts were fatal (14.7% for males vs. 3.3% for females; 3.4% for persons aged 15 to 24 years vs. 35.4% for those aged ≥65 years). Drug poisoning accounted for 59.4% of acts but only 13.5% of deaths; firearms and hanging accounted for only 8.8% of acts but 75.3% of deaths. Firearms were the most lethal method (89.6% of suicidal acts with a firearm resulted in death), followed by drowning (56.4%) and hanging (52.7%). Method-specific CFRs were higher for males and older persons. The distribution of methods varied across demographic groups. Limitations: Results are based on suicidal acts resulting in an ED visit, a hospitalization, or death. Consequently, the reported CFRs are larger than they would have been had the data included nonfatal attempts that did not result in an ED visit. Conclusion: Variation in overall suicide CFR between sexes and across age groups, regions, and urbanization is largely explained by the distribution of methods used in suicidal acts. Primary Funding Source: Joyce Foundation.
Background: The suicide case-fatality rate (CFR)-the proportion of suicidal acts that are fatal-depends on the distribution of methods used in suicidal acts and the probability of death given a particular method (method-specific CFR). Objective: To estimate overall and method-specific suicide CFRs and the distribution of methods used in suicidal acts by demographic characteristics. Design: Cross-sectional study. Setting: United States, 2007 to 2014. Participants: Suicide deaths (n = 309 377 records from the National Vital Statistics System) and nonfatal suicide attempts requiring treatment in an emergency department (ED) (n = 1 791 638 records from the Nationwide Emergency Department Sample) or hospitalization (n = 1 556 871 records from the National [Nationwide] Inpatient Sample) among persons aged 5 years or older. Measurements: Rates of suicide deaths and nonfatal suicide attempts, overall and method-specific CFRs, and distribution of methods used, by sex, age group, region, and urbanization. Results: Overall, 8.5% of suicidal acts were fatal (14.7% for males vs. 3.3% for females; 3.4% for persons aged 15 to 24 years vs. 35.4% for those aged ≥65 years). Drug poisoning accounted for 59.4% of acts but only 13.5% of deaths; firearms and hanging accounted for only 8.8% of acts but 75.3% of deaths. Firearms were the most lethal method (89.6% of suicidal acts with a firearm resulted in death), followed by drowning (56.4%) and hanging (52.7%). Method-specific CFRs were higher for males and older persons. The distribution of methods varied across demographic groups. Limitations: Results are based on suicidal acts resulting in an ED visit, a hospitalization, or death. Consequently, the reported CFRs are larger than they would have been had the data included nonfatal attempts that did not result in an ED visit. Conclusion: Variation in overall suicide CFR between sexes and across age groups, regions, and urbanization is largely explained by the distribution of methods used in suicidal acts. Primary Funding Source: Joyce Foundation.
Authors: Sofiya Diurba; Rachel L Johnson; Bonnie J Siry; Christopher E Knoepke; Krithika Suresh; Scott A Simpson; Deborah Azrael; Megan L Ranney; Garen J Wintemute; Marian E Betz Journal: Suicide Life Threat Behav Date: 2020-06-29
Authors: Robert B Penfold; Eric Johnson; Susan M Shortreed; Rebecca A Ziebell; Frances L Lynch; Greg N Clarke; Karen J Coleman; Beth E Waitzfelder; Arne L Beck; Rebecca C Rossom; Brian K Ahmedani; Gregory E Simon Journal: J Affect Disord Date: 2021-07-01 Impact factor: 4.839
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