Table 2.
Logistic Multiple Regression Models testing the effects of Hopelessness on the relationship between depression and suicide
| Independent variable | All suicides and controls (N=808) | Male suicides and controls (n=416) | Female suicides and controls (n=392) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model 1 Without hopelessness |
Model 2 With hopelessness |
Model 3 Without hopelessness |
Model 4 With hopelessness |
Model 5 Without hopelessness |
Model 6 With hopelessness |
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| OR | 95%CI | P | OR | 95%CI | P | OR | 95%CI | P | OR | 95%CI | P | OR | 95%CI | P | OR | 95%CI | P | |
| Age | 1.038 | 0.999–1.080 | 0.057 | 1.100 | 1.033–1.171 | 0.003 | 1.075 | 1.004–1.151 | 0.038 | |||||||||
| Education years | 0.901 | 0.815–0.996 | 0.042 | 0.868 | 0.777–0.971 | 0.013 | 0.829 | 0.706–0.973 | 0.022 | 0.792 | 0.666–0.943 | 0.009 | ||||||
| Status in the family | ||||||||||||||||||
| Low | 1.0 | 1.0 | 1.0 | 1.0 | ||||||||||||||
| Average | 0.205 | 0.053–0.788 | 0.021 | 0.253 | 0.052–1.234 | 0.089 | 0.064 | 0.008–0.533 | 0.011 | 0.062 | 0.005–0.758 | 0.029 | ||||||
| High | 0.225 | 0.059–0.857 | 0.029 | 0.441 | 0.091–2.137 | 0.309 | 0.061 | 0.008–0.491 | 0.009 | 0.075 | 0.006–0.906 | 0.042 | ||||||
| Physical health condition | ||||||||||||||||||
| Poor | 1.0 | 0.045 | ||||||||||||||||
| Average | 0.317 | 0.126–0.794 | 0.014 | |||||||||||||||
| Good | 0.429 | 0.195–0.945 | 0.036 | |||||||||||||||
| Personal annual income | ||||||||||||||||||
| Low | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | ||||||||||||
| Average | 0.123 | 0.029–0.516 | 0.004 | 0.209 | 0.041–1.062 | 0.059 | 0.019 | 0.002–0.150 | <0.001 | 0.034 | 0.003–0.342 | 0.004 | 1.534 | 0.136–17.337 | 0.729 | 1.698 | 0.141–20.417 | 0.676 |
| High | 0.125 | 0.050–0.315 | <0.001 | 0.142 | 0.049–0.414 | <0.001 | 0.063 | 0.019–0.215 | <0.001 | 0.073 | 0.019–0.275 | <0.001 | 0.078 | 0.011–0.554 | 0.011 | 0.065 | 0.005–0.793 | 0.032 |
| Religion | 5.237 | 0.903–30.376 | 0.065 | |||||||||||||||
| Functional impulsivity | 0.821 | 0.735–0.917 | <0.001 | 0.872 | 0.767–0.991 | 0.036 | 0.730 | 0.612–0.872 | 0.001 | 0.791 | 0.649–0.963 | 0.019 | ||||||
| Dysfunctional impulsivity | 1.217 | 1.115–1.330 | <0.001 | 1.230 | 1.115–1.357 | <0.001 | 1.281 | 1.119–1.467 | <0.001 | 1.307 | 1.128–1.515 | <0.001 | 1.204 | 1.082–1.388 | 0.001 | 1.198 | 1.057–1.358 | 0.005 |
| Approach coping | 0.896 | 0.874–0.919 | <0.001 | 0.944 | 0.918–0.971 | <0.001 | 0.903 | 0.872–0.934 | <0.001 | 0.945 | 0.908–0.984 | 0.006 | 0.878 | 0.848–0.910 | <0.001 | 0.923 | 0.886–0.961 | <0.001 |
| Avoidance coping | 1.051 | 1.019–1.084 | 0.002 | 1.078 | 1.026–1.133 | 0.003 | ||||||||||||
| Depression | 6.177 | 2.283–16.714 | <0.001 | 3.667 | 1.151–11.687 | 0.028 | 4.239 | 1.179–15.242 | 0.027 | 18.110 | 3.303–99.299 | 0.001 | ||||||
| Hopelessness | 1.140 | 1.107–1.174 | <0.001 | 1.124 | 1.080–1.170 | <0.001 | 1.161 | 1.112–1.213 | <0.001 | |||||||||
| Constant | 8.061 | 0.001 | 0.032 | 0.016 | 36.357 | 0.046 | 0.280 | 0.569 | 13.253 | <0.001 | 0.001 | <0.001 | ||||||
| Nagelkerke R2 | 0.689 | 0.774 | 0.766 | 0.818 | 0.638 | 0.743 | ||||||||||||
| Hosmer and Lemeshow Test | x2=7.524, | p=0.481 | x2=23.990, | p=0.002 | x2=2.897, | p=0.941 | x2=13.371, | p=0.100 | x2=7.041, | p=0.532 | x2=15.445, | p=0.051 | ||||||