Table 1.
Characteristics of the Stress Disorders and Comparison Cohorts of Children (6-15 years) in Denmark, 1995–2011.
| Stress Cohort (N = 11,292) |
ASR (N = 931) |
PTSD (N = 285) |
Adjustment Disorder (N = 6,183) |
ORSS (N = 656) |
RSSU (N = 3,237) |
Comparison Cohort (N = 56,460) |
|
|---|---|---|---|---|---|---|---|
| Sex % (N) | |||||||
| Female | 63 | 69 | 60 | 62 | 61 | 65 | 63 |
| Male | 37 | 31 | 40 | 38 | 39 | 35 | 37 |
| Age group % (N) | |||||||
| 6–11 years | 27 | 23 | 31 | 26 | 37 | 29 | 27 |
| 12–15 years | 73 | 77 | 69 | 74 | 63 | 71 | 73 |
| Baseline psychiatric diagnoses (%) | |||||||
| Depressive disorder diagnoses | 4.3 | 2.7 | 4.2 | 5.2 | 1.2 | 3.6 | 0.1 |
| Anxiety disorder diagnoses | 1.5 | 1.2 | 3.5 | 1.5 | 2.4 | 1.4 | 0.1 |
| Behavior disorder diagnoses | 6.1 | 4.7 | 7.4 | 6.5 | 5.5 | 5.8 | 0.9 |
| 1+ psychiatric disorders | 11 | 8.3 | 14 | 13 | 8.5 | 10 | 1.1 |
| Follow-up time (person-time years) | |||||||
| 0 to < 1 | 12 | 14 | 8.8 | 11 | 20 | 11 | 12 |
| 1 to < 5 | 41 | 43 | 25 | 39 | 47 | 46 | 41 |
| 5 to <10 | 27 | 22 | 38 | 27 | 22 | 30 | 27 |
| 10+ | 19 | 21 | 28 | 23 | 11 | 13 | 19 |
| Average duration of follow-up (person-time in years) | 5.8 | 5.7 | 7.5 | 6.2 | 4.4 | 5.3 | 5.8 |
Notes: ASR = Acute Stress Reaction. PTSD = posttraumatic stress disorder. ORSS = Other reactions to severe stress. RSSU = Reactions to severe stress unspecified.