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. 2023 Dec 28;6(12):e2347616. doi: 10.1001/jamanetworkopen.2023.47616

Figure 2. Crude Hazard Rates of Suicide Among Theater, Nontheater, and All Veterans of Vietnam War Era and US Male Population by Number of Years Since Entry to Follow-Up or Calendar Year.

Figure 2.

US male population suicide rates are based on calendar year of death (obtained from CDC Wonder). Veteran suicide rates were calculated for one-year intervals from 1979 to 2019. The first year interval includes 5.5 months to 1.5 years (1 year). All subsequent rates are for time intervals that begin at midpoint and end at midpoint of the subsequent year (eg, 2 years = 1.6 years − 2.5 years). Accordingly, the separate time intervals for veterans, 1 to 41 years, cross calendar years. Crude rates for both US males and veterans are per 100 000 persons.