Table 2 Operationalization of the SSD B criteria (n = 491)
From: Operationalization of diagnostic criteria of DSM-5 somatic symptom disorders
Total (n = 491) | SOM+ (PHQ-15 ≥ 10) (n = 238) | SOM- (PHQ-15 < 10) (n = 253) | p | |
|---|---|---|---|---|
SSD criterion B1 cognition (7 items) | ||||
Total score | 2.1 ± 1.9 | 2.7 ± 2.1 | 1.6 ± 1.5 | <.001 |
Total score ≥ 1, n (%) | 372 (75.8) | 198 (83.2) | 174 (68.8) | <.001 |
Total score ≥ 2, n (%) | 288 (58.7) | 161 (67.6) | 127 (50.2) | <.001 |
Total score ≥ 3, n (%) | 146 (29.7) | 99 (41.6) | 47 (18.6) | <.001 |
Total score ≥ 4, n (%) | 105 (21.4) | 76 (31.9) | 29 (11.5) | <.001 |
SSD criterion B2 affects (5 items) | ||||
Total score | 2.1 ± 1.6 | 2.5 ± 1.7 | 1.7 ± 1.5 | <.001 |
Total score ≥ 1, n (%) | 368 (74.9) | 198 (83.2) | 170 (67.2) | <.001 |
Total score ≥ 2, n (%) | 306 (62.3) | 168 (70.6) | 138 (54.5) | <.001 |
Total score ≥ 3, n (%) | 173 (35.2) | 110 (46.2) | 63 (24.9) | <.001 |
Total score ≥ 4, n (%) | 120 (24.4) | 83 (3 4.9) | 37 (14.6) | <.001 |
SSD criterion B3 behaviors (6 items) | ||||
Total score | 2.6 ± 1.7 | 3.1 ± 1.7 | 2.1 ± 1.6 | <.001 |
Total score ≥ 1, n (%) | 422 (85.9) | 222 (93.3) | 200 (79.1) | <.001 |
Total score ≥ 2, n (%) | 337 (68.6) | 186 (78.2) | 151 (59.7) | <.001 |
Total score ≥ 3, n (%) | 194 (39.5) | 125 (52.5) | 69 (27.3) | <.001 |
Total score ≥ 4, n (%) | 137 (27.9) | 90 (37.8) | 47 (18.6) | <.001 |
SSD B criteria total score | ||||
Total score | 6.7 ± 4.6 | 8.2 ± 4.8 | 5.3 ± 3.9 | <.001 |
At least one criterion ≥1, n (%) | 449 (91.4) | 230 (96.6) | 219 (86.6) | <.001 |
At least one criterion ≥2, n (%) | 391 (79.6) | 208 (87.4) | 183 (72.3) | <.001 |
At least one criterion ≥3, n (%) | 246 (50.1) | 149 (62.6) | 97 (38.3) | <.001 |
At least one criterion ≥4, n (%) | 191 (38.9) | 123 (51.7) | 68 (26.9) | <.001 |
WI-7 total score | 3.7 ± 2.1 | 4.6 ± 2.0 | 2.9 ± 1.9 | <.001 |
Total scores ≥3, n (%) | 334 (68.0) | 192 (80.7) | 142 (56.1) | <.001 |