Table 4. Predictors of Posttraumatic Stress in Physically Injured Patients 3 and 12 Months After Psychological Nurse-Led Intervention (Linear Regression Analyses) .
| Unadjusted (enter) variables |
Adjusted (multivariable) (backward) variables |
|||||||
|---|---|---|---|---|---|---|---|---|
| β | 95% CI | t | Sign. | β | 95% CI | t | Sign. | |
| 3 months | ||||||||
| Age: continuous | 0.3 | -0.2-0.3 | 0.3 | ns | ||||
| Gender: 1 = man, 2 = woman | -0.1 | -12.7 - -0.6 | -1.9 | ns | ||||
| IES baseline (sum score) | 0.4 | 0.3 - 0.8 | 4.6 | < 0.001** | 0.4 | 0.02 - 0.8 | 2.2 | < 0.05* |
| LOT baseline (sum score) | -0.9 | -1.6 - -0.3 | -2.8 | < 0.05* | ||||
| Nurse-led intervention: yes/no | -0.8 | -9.1-4.4 | -0.7 | ns | ||||
| Psych trained nurses: 1 = no, 2 = yesa | -0.2 | -18.4-3.1 | -1.4 | ns | -0.3 | -19.4-1.2 | -1.8 | 0.081 |
| 12 months | ||||||||
| Age: continuous | 0.04 | -0.3-0.4 | 0.3 | ns | ||||
| Gender: 1 = man, 2 = woman | -0.1 | -11.4-7.2 | -0.4 | ns | ||||
| IES baseline (sum score) | 0.4 | 0.2 - 0.9 | 3.0 | < 0.05* | 0.3 | 0.1 - 0.8 | 2.9 | < 0.05* |
| LOT baseline (sum score) | -1.2 | -2.0 - -0.4 | -2.9 | < 0.05* | ||||
| Nurse-led intervention: yes/no | -0.1 | -11.5-6.2 | -0.6 | ns | ||||
| Psych trained nurses: 1 = no, 2 = yesa | -0.2 | -21.9-4.3 | -1.4 | ns | ||||
| Functioning at 3 months (sum score) | -0.5 | -1.8-0.6 | -4.1 | < 0.001** | -0.5 | -1.8-0.7 | -4.4 | < 0.001** |
Dependent variable: IES sum score at 3 and 12 months. aWith more relevant training for psychological processing. Note: Patients in the intervention and usual care groups. *P < 0.05, **P < 0.001.