Mean (SD) and number (%) of participants meeting cut-offs for clinically significant difficulties across Hub screening measures
| Site A (n=475) | Site B (n=367) | Site C (n=400) | Site D (n=731) | Total (n=1973) | |
| PHQ-9 | 14.4 (5.5) | 13.8 (5.9) | 13.2 (5.9) | 11.4 (6.3) | 12.9 (6.1) |
| None | 21 (4.4) | 15 (4.6) | 27 (6.8) | 117 (16.0) | 180 (9.3) |
| Mild | 73 (15.4) | 76 (23.3) | 94 (23.6) | 185 (25.3) | 428 (22.2) |
| Moderate | 141 (29.7) | 94 (28.9) | 117 (29.3) | 186 (25.4) | 538 (27.9) |
| Moderately severe | 149 (31.4) | 78 (23.9) | 94 (23.6) | 159 (21.8) | 480 (24.9) |
| Severe | 91 (19.2) | 63 (19.3) | 67 (16.8) | 84 (11.5) | 305 (15.8) |
| Missing | 0% missing | 11.1% missing | 0% missing | 0% missing | 2.1% missing |
| GAD-7 | 12.3 (4.9) | 12.6 (5.4) | 16 (5.5) | 10.2 (6.1) | 11.4 (5.7) |
| None | 28 (5.9) | 17 (5.2) | 44 (11.0) | 153 (20.9) | 242 (12.5) |
| Mild | 121 (25.5) | 91 (28.0) | 102 (25.6) | 207 (28.3) | 521 (27.0) |
| Moderate | 146 (30.7) | 84 (25.8) | 124 (31.1) | 164 (22.4) | 518 (26.8) |
| Severe | 180 (37.9) | 133 (40.9) | 129 (32.3) | 207 (28.3) | 649 (33.6) |
| Missing | 0% missing | 11.4% missing | 0.3% missing | 0% missing | 2.2% missing |
| PCL-5 | 36.6 (16.6) | 34.3 (16.7) | – | – | 35.6 (16.7) |
| PTSD present | 293 (61.7) | 180 (55.4) | 473 (59.1) | ||
| Missing | 1.0% missing | 11.4% missing | – | – | 5.0% missing |
| ITQ score | – | – | 8.8 (6.3) | 8.2 (6.5) | 8.4 (6.4) |
| PTSD present | 40 (10.0) | 56 (7.7) | 96 (8.5) | ||
| Missing | – | 0.3% missing | 0% missing | 0.1% missing | |
| CPTSD present | – | – | 97 (24.5) | 147 (20.4) | 244 (21.6) |
| Missing | 1.0% missing | 1.6% missing | 1.4% missing | ||
| AUDIT | 5.7 (5.8) | – | 5.0 (5.1) | 5.2 (5.0) | 5.3 (5.3) |
| Low risk | 351 (73.9) | 322 (80.5) | 564 (77.2) | 1237 (77.0) | |
| Hazardous | 88 (18.5) | 63 (15.8) | 131 (17.9) | 282 (17.6) | |
| Harmful | 18 (3.8) | 5 (1.3) | 23 (3.1) | 46 (2.9) | |
| Possible dependence | 18 (3.8) | 10 (2.5) | 13 (1.8) | 41 (2.6) | |
| Missing | 0% missing | – | 0% missing | 0% missing | 0% missing |
| WSAS | 18.9 (8.3) | 17.5 (7.9) | 17.9 (9.5) | 15.1 (9.3) | 17.0 (9.0) |
| Subclinical | 65 (13.7) | 55 (16.9) | 77 (19.3) | 213 (29.1) | 410 (21.2) |
| Significant | 213 (44.8) | 152 (46.6) | 170 (42.5) | 311 (42.5) | 846 (43.8) |
| Moderately severe or worse | 197 (41.5) | 119 (36.5) | 153 (38.3) | 207 (28.3) | 676 (35.0) |
| Missing | 0% missing | 11.2% missing | 0% missing | 0% missing | 2.1% missing |
| Overall severity | |||||
| Low | 24 (5) | 23 (6.3) | 29 (7.3) | 128 (17.5) | 204 (10.3) |
| Moderate | 104 (21.9) | 71 (19.3) | 128 (32.0) | 230 (31.5) | 533 (27.0) |
| High | 347 (73.1) | 232 (63.2) | 243 (60.8) | 373 (51.0) | 1195 (60.6) |
| Missing | 0% missing | 11.2% missing | 0% missing | 0% missing | 2.1% missing |
Clinical cut-off scores for Hub screening measures: PHQ-9: 0–4=none, 5–9=mild, 10–14=moderate, 15–19=moderately severe, 20–29=severe; GAD-7: 0–4=none, 5–9=mild, 10–14=moderate, 15–21=severe; PCL-5: 31+probable PTSD; ITQ: probable PTSD diagnosis indicated by a score of 2+ on at least one symptom of each PTSD cluster along with associated functional impairment, probable cPTSD diagnosis indicated by meeting PTSD criteria and a score of 2+ on at least one symptom from each DSO cluster along with associated functional impairment; AUDIT: 1–7=low risk, 8–15=hazardous, 16–19=harmful, 20+=possible dependence; WSAS: 0–9=subclinical, 10–19=significant, 20+=moderately severe or worse.
AUDIT, Alcohol Use Disorders Identification Test; GAD-7, General Anxiety Disorder scale; ITQ, International Trauma Questionnaire; PCL-5, PTSD Checklist for the DSM-5; PHQ-9, Patient Health Questionnaire; WSAS, Work and Social Adjustment Scale.