Table 2.
Multivariable Model Measuring Associations Between Demographic, Injury, Clinical Characteristics and Suicidal Ideation During Hospitalization and Longitudinally Across 12-Month
| Hospitalization | Longitudinally Across 12-Months | |||||||
|---|---|---|---|---|---|---|---|---|
| RR | Lower CI | Upper CI | p value | RR | Lower CI | Upper CI | p value | |
| Time | ||||||||
| Baseline | Reference | Reference | ||||||
| 1 month | - | - | - | - | 1.03 | 0.76 | 1.40 | 0.86 |
| 3 month | - | - | - | - | 0.75 | 0.51 | 1.09 | 0.13 |
| 6 month | - | - | - | - | 1.00 | 0.71 | 1.40 | 1.00 |
| 12 month | - | - | - | - | 0.82 | 0.57 | 1.18 | 0.29 |
| Gender | 0.77 | 0.50 | 1.19 | 0.24 | 1.08 | 0.72 | 1.60 | 0.72 |
| Age | 1.00 | 0.98 | 1.02 | 0.75 | 1.03 | 1.01 | 1.04 | < 0.001 |
| ISS category | ||||||||
| 0–8 | Reference | Reference | ||||||
| 9–15 | 0.90 | 0.48 | 1.68 | 0.75 | 0.93 | 0.58 | 1.49 | 0.75 |
| ≥ 16 | 1.64 | 0.92 | 2.94 | 0.10 | 1.51 | 0.94 | 2.43 | 0.09 |
| History of mental health visit | 1.89 | 1.02 | 3.50 | 0.04 | - | - | - | - |
| Having children | 0.55 | 0.35 | 0.85 | 0.01 | - | - | - | - |
| PHQ8 total score | 1.12 | 1.07 | 1.19 | < 0.001 | - | - | - | - |
| SF12 mental subscale | 0.98 | 0.97 | 1.00 | 0.04 | - | - | - | - |
| Suicidal ideation in hospital | - | - | - | - | 3.34 | 2.28 | 4.89 | < 0.001 |
| History of Posttraumatic stress | - | - | - | - | 1.72 | 1.09 | 2.71 | 0.02 |
| Injury type, assault | - | - | - | - | 2.03 | 1.28 | 3.20 | < 0.01 |
| Injury-related legal proceedings | - | - | - | - | 4.32 | 2.24 | 8.33 | < 0.001 |
| Pain rating | - | - | - | - | 1.11 | 1.00 | 1.22 | 0.05 |
| Treatment Condition, Control | - | - | - | - | 1.19 | 0.83 | 1.71 | 0.34 |
†
For PHQ-8 baseline assessment inpatients were asked to report symptoms since the injury event.
Abbreviations: RR, risk ratio; CI, confidence interval ISS, injury severity score; PHQ, Patient Health Questionnaire