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Table 1 Prevalence of suicidal thoughts and attempted suicide

From: The relationship between age and suicidal thoughts and attempted suicide among prisoners

 Total Sample
(N = 18,185)
Younger Prisoners
(n = 16,278)
Older Prisonersa
(n = 1907)
Young-Youngb (n = 6396)Old-Youngc
(n = 9882)
In the Total Sample
 Suicidal Thoughts Only9.4%8.6%9.8%10.4%
  Adjusted Residual −3.01.81.6
 \( \mathcal{X} \)2 (df = 2, n = 17,893) = 9.549, p = .008;
Cramer’s V = 0.023
 Attempted Suicide13.7%13.9%14.6%8.7%
  Adjusted Residual .53.7−6.8
 \( \mathcal{X} \)2 (df = 2, n = 17,899) = 47.455, p < .001;
Cramer’s V = 0.051
 Suicidal Thoughts/Attempts23.2%22.5%24.4%19.1%
  Adjusted Residual −1.64.3−4.4
 \( \mathcal{X} \)2 (df = 2, n = 17,891) = 27.401, p < .001;
Cramer’s V = 0.039
Among Ideators/Attempters Onlyd
 Suicidal Thoughts Only40.7%38.1%40.2%54.7%
  Adjusted Residual −2.5−.85.7
 Suicide Attempt59.3%61.9%59.8%45.3%
  Adjusted Residual 2.5.8−5.7
   Ratioe 1.62:11.48:10.83:1
 \( \mathcal{X} \)2 (df = 2, n = 4210) = 33.793, p < .001;
Cramer’s V = 0.090
  1. aAged 50 years and older
  2. b16 to 30 years of age
  3. c31 to 49 years of age
  4. dn = 4212
  5. eRatio for number of attempts to number of suicidal thoughts only