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Table 3 Multivariate binomial logistic regression predicting suicidal thoughts and behavior (main effects)

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

 Suicidal Thoughts OnlyaAttempted SuicideSuicidal Thoughts/Attempts
aOR (SE)95% CIaOR (SE)95% CIaOR (SE)95% CI
Female = 1.660 (0.086).557–.783***1.32 (0.068)1.15–1.51***.960 (0.060).852–1.08
Ageb1.02 (0.016).987–1.051.01 (0.018).974–1.041.01 (0.013).986–1.04
Age2b1.00 (0.0002).999–1.001.00 (0.0002).999–1.001.00 (0.0002).999–1.00
Race/Ethnicity
 Hispanic.762 (0.089).639–.907**.890 (0.078).763–1.04.809 (0.064).712–.919**
 Whitec
 Black.782 (0.068).684–.896***.780 (0.063).688–.884***.762 (0.052).689–.844***
 Other.787 (0.101).645–.960*.977 (0.087).824–1.16.866 (0.074).748–1.002
Education1.06 (0.012)1.03–1.08***.960 (0.011).938–.982**1.01 (0.009).991–1.03
Depressive Disorder2.36 (0.082)2.01–2.77***2.79 (0.069)2.43–3.20***2.81 (0.060)2.50–3.17***
Bipolar/Related Disorder1.22 (0.105).995–1.502.03 (0.077)1.75–2.37***1.81 (0.075)1.56–2.10***
Schizophrenia/Psychotic Disorder1.04 (0.165).751–1.442.01 (0.112)1.62–2.51***1.69 (0.116)1.34–2.12***
PTSD1.10 (0.124).862–1.401.24 (0.095)1.03–1.50*1.29 (0.095)1.07–1.55**
Anxiety Disorder1.12 (0.109).906–1.391.07 (0.087).905–1.271.17 (0.084).996–1.39
Personality Disorder1.20 (0.130).931–1.551.31 (0.096)1.09–1.59**1.37 (0.097)1.13–1.66**
Hopelessness2.46 (0.103)2.01–3.02***2.16 (0.089)1.81–2.57***2.77 (0.082)2.36–3.26***
Sleep Disturbance1.47 (0.065)1.29–1.67***1.28 (0.062)1.13–1.45***1.40 (0.049)1.27–1.54***
Schizophrenic/Psychotic Symptoms1.57 (0.089)1.32–1.87***1.54 (0.074)1.33–1.78***1.67 (0.068)1.46–1.91***
Emotional Dysregulation1.19 (0.065)1.05–1.36**1.09 (0.061).970–1.231.15 (0.049)1.04–1.26**
Not Feeling Close1.43 (0.065)1.26–1.63***1.16 (0.061)1.03–1.31*1.35 (0.050)1.22–1.49***
Alcohol Dependence1.19 (0.062)1.06–1.35**1.32 (0.057)1.18–1.48***1.28 (0.048)1.16–1.40***
Number of Drugs Used1.06 (0.008)1.04–1.08***1.03 (0.008)1.01–1.04***1.06 (0.007)1.04–1.07***
 Sexual Victimization
  Neverc
  Once1.79 (0.137)1.37–2.35***1.78 (0.113)1.43–2.23***1.89 (0.104)1.54–2.32***
  More than Once2.03 (0.109)1.64–2.51***2.09 (0.084)1.77–2.46***2.34 (0.080)2.00–2.74***
Physical Victimization
 Neverc
 Once1.57 (0.149)1.17–2.10**1.66 (0.131)1.28–2.14***1.74 (0.116)1.39–2.19***
 More than Once1.77 (0.081)1.51–2.08***1.93 (0.068)1.69–2.21***2.00 (0.060)1.78–2.25***
Physical Illness = 11.46 (0.064)1.28–1.65***1.34 (0.060)1.19–1.51***1.43 (0.048)1.30–1.57***
BADL Disability = 11.05 (0.076).904–1.221.25 (0.069)1.09–1.43**1.16 (0.059)1.03–1.30*
 Constant.013 (0.327).007–.025***.048 (0.349).024–.094***.047 (0.262).028–.079***
 n = 14,863n = 17,230n = 17,230
Likelihood-ratio χ2(26)1619.99***3847.01***5030.80***
−2 Log Likelihood8645.499923.1713,589.88
AIC8699.499977.1713,643.88
  1. Note. BADL Basic activities of daily living, AIC Akaike’s Information Criterion; models report adjusted odds ratios, Huber-White (robust) standard errors, and 95% confidence intervals
  2. aInmates who reported a suicide attempt are excluded from analysis
  3. bShowing quadratic (curvilinear) effect of age
  4. cReference category
  5. *p < .05, **p < .01, ***p < .001
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