Table 2.
Multivariate Logistic Regression: Predictors of Suicide Ideation
| Variable | Step 1
|
Step 2
|
||||||
|---|---|---|---|---|---|---|---|---|
| Odds ratio | 95% CI | Unstandardized B (SE) | Wald score | Odds ratio | 95% Cl | Unstandardized B (SE) | Wald score | |
| Constant | 0.00 | −7.55 (5.82) | 1.69 | 0.01 | −4.63 (6.05) | 0.59 | ||
| Age | 1.05 | 0.98–1.13 | 0.05 (0.04) | 1.92 | 1.06 | 0.98–1.14 | 0.06 (0.04) | 2.33 |
| Women | 0.47 | 0.17–1.31 | −0.75 (0.52) | 2.08 | 0.49 | 0.18–1.39 | −0.71 (0.53) | 1.78 |
| HRSD | 1.26** | 1.16–1.36 | 0.23 (0.04) | 32.16 | 1.29** | 1.18–1.40 | 0.25 (0.04) | 31.75 |
| MMSE | 0.95 | 0.75–1.19 | −0.05 (0.12) | 0.22 | 0.95 | 0.75–1.19 | −0.06 (0.12) | 0.21 |
| CIRS | 0.95 | 0.79–1.14 | −0.05 (0.09) | 0.25 | 0.95 | 0.79–1.15 | −0.05 (0.10) | 0.29 |
| KPSS | 1.01 | 0.97–1.06 | 0.01 (0.02) | 0.39 | 1.02 | 0.97–1.07 | 0.02 (0.02) | 0.79 |
| Negative affect | 1.13 | 0.99–1.27 | 0.12 (0.06) | 3.42 | 1.03 | 0.89–1.19 | 0.03 (0.07) | 0.21 |
| Sociability | 0.99 | 0.75–1.29 | −0.02 (0.14) | 0.01 | 0.94 | 0.70–1.24 | −0.07 (0.15) | 0.21 |
| Activity | 1.10 | 0.93–1.31 | 0.09 (0.09) | 1.28 | 1.16 | 0.97–1.40 | 0.16 (0.09) | 2.71 |
| Positive affect | 0.78** | 0.66–0.94 | −0.25 (0.09) | 7.32 | ||||
Note. CI = confidence interval; CIRS = Cumulative Illness Rating Scale; HRSD = Hamilton Rating Scale for Depression; KPSS = Karnofsky Performance Status Scale; MMSE = Mini-Mental State Exam. Negative affect, Sociability, Activity, and Positive affect are subclusters of the NEO Five-Factor Inventory.
**
p < .01.