Characteristics of ministerial employees with symptom-defined PTSD and sick leave compared with employees with symptom-defined PTSD without sick leave, 10 months after a workplace terrorist attack on 22 July in Oslo, 2011
| Characteristics | PTSD without sick leave (n=39) | PTSD and sick leave (n=55) | χ2/F | P value* |
| Females, n (%) | 23 (59.0) | 47 (85.5)† | 8.4 | <0.01 |
| Education (years), n (%) | 4.6 | 0.10 | ||
| <13 | 4 (10.3) | 8 (14.6) | ||
| 13–16 | 10 (25.6) | 24 (43.6) | ||
| >16 | 25 (64.1) | 23 (41.8) | ||
| Age (M±SD) | 45.9±10.1 | 45.7±11.4 | 0.1 | 0.94 |
| Married/cohabiting, n (%) | 25 (64.1) | 34 (63.0) | 0.0 | 0.91 |
| Directly exposed, n (%) | 15 (38.5) | 26 (47.3) | 0.7 | 0.40 |
| Psychological distress, score 1–4 (M±SD) | 1.9±0.8 | 2.1±0.9 | 1.9 | 0.17 |
| Event centrality, score 1–5 (M±SD) | 3.2±1.0 | 3.4±0.8 | 1.4 | 0.24 |
| Life satisfaction, score 1–10 (M±SD) | 5.5±1.3 | 5.4±1.9 | 0.2 | 0.67 |
| Social support, score 1–7 (M±SD) | 4.5±1.5 | 4.4±1.4 | 0.0 | 0.76 |
| PCL-based PTSD, score 1–5 (M±SD) | 2.9±0.5 | 3.3±0.6† | 7.8 | <0.01 |
Case numbers and within-group percentages are shown.
*P values were calculated using analysis of variance for continuous variables and χ2 test for categorical variables.
†Differs significantly from those without sick leave.
M, mean; PCL, Post-traumatic Stress Disorder Checklist; PTSD, post-traumatic stress disorder.