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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 Onlya

Attempted Suicide

Suicidal Thoughts/Attempts

aOR (SE)

95% CI

aOR (SE)

95% CI

aOR (SE)

95% CI

Female = 1

.660 (0.086)

.557–.783***

1.32 (0.068)

1.15–1.51***

.960 (0.060)

.852–1.08

Ageb

1.02 (0.016)

.987–1.05

1.01 (0.018)

.974–1.04

1.01 (0.013)

.986–1.04

Age2b

1.00 (0.0002)

.999–1.00

1.00 (0.0002)

.999–1.00

1.00 (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

Education

1.06 (0.012)

1.03–1.08***

.960 (0.011)

.938–.982**

1.01 (0.009)

.991–1.03

Depressive Disorder

2.36 (0.082)

2.01–2.77***

2.79 (0.069)

2.43–3.20***

2.81 (0.060)

2.50–3.17***

Bipolar/Related Disorder

1.22 (0.105)

.995–1.50

2.03 (0.077)

1.75–2.37***

1.81 (0.075)

1.56–2.10***

Schizophrenia/Psychotic Disorder

1.04 (0.165)

.751–1.44

2.01 (0.112)

1.62–2.51***

1.69 (0.116)

1.34–2.12***

PTSD

1.10 (0.124)

.862–1.40

1.24 (0.095)

1.03–1.50*

1.29 (0.095)

1.07–1.55**

Anxiety Disorder

1.12 (0.109)

.906–1.39

1.07 (0.087)

.905–1.27

1.17 (0.084)

.996–1.39

Personality Disorder

1.20 (0.130)

.931–1.55

1.31 (0.096)

1.09–1.59**

1.37 (0.097)

1.13–1.66**

Hopelessness

2.46 (0.103)

2.01–3.02***

2.16 (0.089)

1.81–2.57***

2.77 (0.082)

2.36–3.26***

Sleep Disturbance

1.47 (0.065)

1.29–1.67***

1.28 (0.062)

1.13–1.45***

1.40 (0.049)

1.27–1.54***

Schizophrenic/Psychotic Symptoms

1.57 (0.089)

1.32–1.87***

1.54 (0.074)

1.33–1.78***

1.67 (0.068)

1.46–1.91***

Emotional Dysregulation

1.19 (0.065)

1.05–1.36**

1.09 (0.061)

.970–1.23

1.15 (0.049)

1.04–1.26**

Not Feeling Close

1.43 (0.065)

1.26–1.63***

1.16 (0.061)

1.03–1.31*

1.35 (0.050)

1.22–1.49***

Alcohol Dependence

1.19 (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 Used

1.06 (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

–

–

–

–

–

–

  Once

1.79 (0.137)

1.37–2.35***

1.78 (0.113)

1.43–2.23***

1.89 (0.104)

1.54–2.32***

  More than Once

2.03 (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

–

–

–

–

–

–

 Once

1.57 (0.149)

1.17–2.10**

1.66 (0.131)

1.28–2.14***

1.74 (0.116)

1.39–2.19***

 More than Once

1.77 (0.081)

1.51–2.08***

1.93 (0.068)

1.69–2.21***

2.00 (0.060)

1.78–2.25***

Physical Illness = 1

1.46 (0.064)

1.28–1.65***

1.34 (0.060)

1.19–1.51***

1.43 (0.048)

1.30–1.57***

BADL Disability = 1

1.05 (0.076)

.904–1.22

1.25 (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 = 14,863

n = 17,230

n = 17,230

Likelihood-ratio χ2(26)

1619.99***

3847.01***

5030.80***

−2 Log Likelihood

8645.49

9923.17

13,589.88

AIC

8699.49

9977.17

13,643.88

  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