A Comparison of Symptom Checklist 90—Revised Profiles From Patients With Chronic Pain From Whiplash and Patients With Other Musculoskeletal Injuries
Bibliographic record
Abstract
STUDY DESIGN: A quasi-experimental design was used to compare the Symptom Checklist 90-Revised profiles (SCL-90-R) from a group of patients with whiplash injuries (n = 67) and a group with mixed musculoskeletal pain (n = 91). OBJECTIVES: To test the discriminant validity of the characteristic SCL-90-R whiplash profile as proposed by Wallis and Bogduk using a multivariate statistical technique. SUMMARY OF BACKGROUND DATA: On the basis of two studies by themselves and their colleagues, Wallis and Bogduk proposed a characteristic SCL-90-R profile evident in samples of patients with whiplash injuries. Their assertion has not been tested empirically in any published studies. METHODS: The participants in this study consisted of 158 patients at a rehabilitation hospital who completed the SCL-90-R under standard instructions and subsequently were diagnosed by a team comprising a chiropractor, physical therapist, and physician. The participants were categorized as having whiplash-associated disorders or pain caused by other musculoskeletal injuries. A profile analysis following Hotelling's method was used to determine the comparability of SCL-90-R profiles from the two groups. RESULTS: The profile analysis showed no statistically significant differences between the groups with regard to either the shape or the overall elevation of their psychological profiles. The SCL-90-R profiles from both groups were similar to those reported from other chronic pain syndromes, with elevations on the Somatization, Depression, Obsessive-Compulsive, and Psychoticism scales. CONCLUSIONS: The current study failed to support the validity of a distinctive SCL-90-R profile for patients with whiplash injuries. Instead, the results suggest that the psychological consequences of experiencing chronic pain from whiplash-associated disorders are similar to the psychological consequences of chronic pain from other musculoskeletal injuries.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".