Time since end of deployment | Studies (total N) | PCL-C1 | GHQ1 | AUDIT1 | ||||
---|---|---|---|---|---|---|---|---|
% (95 % CI) | I2%, p-value | % (95 % CI) | I2%, p-value | Studies (total N) | % (95 % CI) | I2%, p-value | ||
Mid-deployment | 2 (3405) | 2.5 (1.6–3.4) | 59.2, 0.086 | 17.6 (15.2–20.0) | 66.6, 0.05 | - | - | - |
Returning from deployment | 2 (3712) | 2.0 (1.1–2.9) | 68.3, 0.08 | 12.1 (6.3–17.8) | 96.4, <0.001 | - | - | - |
<3 months post-deployment | 4 (9398) | 2.9 (1.5–4.4) | 58.6, 0.065 | 14.4 (12.7–16.1) | 6.1, 0.29 | 4 (9253) | 17.1 (11.6–22.6) | 78.9, 0.003 |
3–6 months post-deployment | 3 (863) | 2.6 (1.4–3.8) | 0.0, 0.39 | 19.4 (13.9–22.5) | 49.7, 0.14 | 3 (734) | 14.1 (10.4–15.9) | 0.0, 0.70 |
6–11 months post-deployment | 3 (1332) | 3.2 (2.2–4.2) | 0.0, 0.86 | 19.0 (16.6–21.5) | 0.0, 0.52 | 3 (1072) | 19.2 (15.8–22.6) | 9.8, p = 0.33 |
12–17 months post-deployment | 3 (2062) | 3.1 (2.3–3.9) | 0.0, 0.55 | 17.7 (15.9–19.4) | 0.0, 0.40 | 3 (1819) | 17.5 (14.0–21.0) | 63.7, p = 0.064 |
18–23 months post-deployment | 3 (2228) | 2.5 (0.2–4.8) | 92.4, < 0.001 | 19.2 (14.7–23.7) | 76.4, 0.014 | 3 (2025) | 16.4 (14.7–18.1) | 0.0, p = 0.88 |
24+ months post-deployment | 3 (2993) | 4.3 (2.9–5.7) | 54.5, 0.11 | 20.5 (18.7–22.2) | 9.6, 0.33 | 3 (2880) | 15.4 (10.5–20.3) | 86.5, p = 0.001 |