Table 3.
Univariate analyses predicted suicidal risk in patients with MDD
| Characteristics | OR | 95% CI | P |
|---|---|---|---|
| Age (years) | |||
| 45< age ≤55 | 1.00 | – | – |
| 35< age ≤45 | 1.26 | 0.87–1.82 | 0.231 |
| 25< age ≤35 | 1.55 | 1.08–2.22 | 0.017 |
| 18≤ age ≤25 | 2.03 | 1.33–3.07 | 0.001 |
| Gender | |||
| Female | 1.00 | – | – |
| Male | 0.78 | 0.58–1.04 | 0.087 |
| Work status | |||
| No job | 1.00 | – | – |
| Part-time job | 1.03 | 0.38–2.73 | 0.958 |
| Full-time job | 1.03 | 0.77–1.39 | 0.834 |
| Marriage | |||
| Married | 1.00 | – | – |
| Divorced | 1.92 | 1.14–3.26 | 0.015 |
| Single | 1.89 | 1.38–2.58 | <0.001 |
| Education | |||
| Illiteracy | 1.00 | – | – |
| Primary school | 0.57 | 0.10–3.28 | 0.525 |
| Junior middle school | 0.59 | 0.11–3.15 | 0.540 |
| Senior middle school | 1.29 | 0.25–6.82 | 0.762 |
| Bachelor degree | 1.14 | 0.22–5.95 | 0.878 |
| Master degree and above | 1.33 | 0.24–7.39 | 0.742 |
| Smoking | |||
| Never | 1.00 | – | – |
| Former | 0.72 | 0.38–1.40 | 0.337 |
| Smoker | 1.17 | 0.81–1.70 | 0.403 |
| Drinking | |||
| Never | 1.00 | – | – |
| Former | 1.15 | 0.66–2.01 | 0.623 |
| Drinker | 1.76 | 1.28–2.41 | <0.001 |
| Having no child | 1.84 | 1.38–2.46 | <0.001 |
| BMI | 0.97 | 0.94–1.01 | 0.190 |
| Number of depressive episode | 1.00 | 0.93–1.08 | 0.960 |
| HAMD-17* | 1.07 | 1.04–1.10 | <0.001 |
| Perceived stressfulness of SLEs | |||
| Low-level | 1.00 | – | – |
| High-level | 1.73 | 1.32–2.27 | <0.001 |
| Number of SLEs | |||
| 0 | 1.00 | – | – |
| 1≤ SLEs ≤2 | 1.45 | 0.94–2.22 | 0.090 |
| 3≤ SLEs ≤5 | 1.69 | 1.09–2.62 | 0.019 |
| SLEs >5 | 2.37 | 1.48–3.78 | <0.001 |
–: No data. *: Score of item 3 is not included. MDD: Major depressive disorder; HAMD-17: 17-item Hamilton Depression Scale; BMI: Body mass index; SLEs: Stressful life events; OR: Odds ratio; CI: Confidence interval.