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Table 1 Incidence of suicide among AYA cancer patients by demographic and tumor characteristics

From: Incidence of suicide among adolescent and young adult cancer patients: a population-based study

Characteristic Patients with cancer Suicide Suicide per 100,000
Person-years a
SMR ab 95% CI
No % No %
Sex
 Male 223,123 38.97% 658 67.07% 33.75 1.484 1.374–1.601
 Female 349,377 61.03% 323 32.93% 9.01 1.449 1.299–1.616
Race
 White 455,982 79.65% 901 91.85% 19.55 1.27 1.189–1.355
 Black 58,305 10.18% 34 3.47% 7.46 0.78 0.558–1.092
 Other 58,213 10.17% 46 4.69% 9.83 1.039 0.778–1.387
Material status
 Married 259,679 45.36% 376 38.33% 13.13 0.908 0.821–1.005
 Unmarried 263,589 46.04% 519 52.91% 24.09 1.644 1.508–1.792
 Unkmon 49,232 8.60% 86 8.77% 18.72 1.312 1.062–1.621
Stage at presentation
 In situ 43,246 7.55% 66 6.73% 13.48 0.927 0.728–1.180
 Localized 214,419 37.45% 386 39.35% 14.76 1.019 0.922–1.126
 Regional 99,829 17.44% 142 14.48% 15.23 1.06 0.899–1.249
 Distant 65,836 11.50% 66 6.73% 20.87 1.444 1.134–1.838
 Unstaged/Unknown 149,170 26.06% 321 32.72% 29.28 1.94 1.739–2.164
No of primary
 Single 475,758 83.10% 852 86.85% 19.07 1.332 1.246–1.425
 Multiple 96,742 16.90% 129 13.15% 11.67 0.828 0.697–0.984
Year of diagnosis
 1973–1983 50,407 8.80% 182 18.55% 16.64 1.176 1.017–1.360
 1984–1994 89,064 15.56% 322 32.82% 22.28 1.552 1.391–1.731
 1995–2005 184,245 32.18% 314 32.01% 15.63 1.085 0.971–1.211
 2006–2015 248,784 43.46% 163 16.62% 16.27 1.136 0.975–1.325
All AYA patients with cancer 572,500 1 981 1 17.68 1.234 1.159–1.313
  1. SEER Surveillance, epidemiology, and end results, SMR standardized mortality ratio
  2. aAdjusted to the age distribution in the population served by the SEER program.
  3. bFor the categories of sex and race, SMR reference population was the specific category in the general US subpopulation (eg, the SMR for male AYAs is the observed number of suicides in male AYA patients divided by the expected number of suicides based on the rate in men in the general AYA population). For marital status, stage at presentation, number of primary tumors, and year of diagnosis, SMR reference population is the entire general US AYA population from 1969 through 2015.