Factors associated with 1-year health-related quality of life after neck-specific exercise in chronic whiplash-associated disorders: an exploratory secondary analysis of a randomised controlled trial
BMC Musculoskeletal Disorders · 13 Oct 2026
† Impact is the editorial-priority score. All scores are out of 100. Clinical is a stored clinical-importance score from the earlier method; it has not been recalculated.
Why it matters
Psychological distress and baseline disability may not prevent patients with chronic whiplash from benefiting from exercise, which matters when deciding who to refer for neck-specific rehabilitation.
The evidence
This exploratory secondary analysis of a Swedish trial of 140 adults with chronic whiplash-associated disorders (grades 2 and 3) looked for factors linked to changes in health-related quality of life (EQ-5D and EQ-VAS) after 12 weeks of neck-specific exercise, delivered either at a clinic or mostly online. The two delivery methods did not differ. Improvements in pain, disability and psychological measures moved together with better quality of life. Patients with worse baseline psychological burden and disability were somewhat more likely to reach a clinically relevant EQ-5D gain at 15 months, but the predictive models were weak (R2 = 0.26, Q2 = 0.13).
A coherent primary effect estimate is unavailable. Clinical relevance does not estimate treatment benefit.
Why this rigour score?
Post-hoc / subgroup analysis
Methods at a glance
Recorded assessment- Confounding adjustmentNot applicable
- Covariate balance confirmedNot applicable
- Outcome assessors blindedMet
- Comparable start of follow-upNot applicable
- Adequate statistical powerUnderpowered
- Prospective registrationMet
Not reported does not mean not done. Checks have different weights; this is not a count of boxes ticked.
How to read this assessment
The recorded methods are shown alongside the published score. A verified point-by-point calculation is not available for this version of the appraisal.
Checklist from the stored appraisal. “Not met” describes the recorded criterion; it does not always produce a deduction. This overview supports reading the full study.
For journal club
1.Should a patient with chronic whiplash and high pain catastrophizing, fear-avoidance, or PTSD symptoms still be referred for neck-specific exercise, or should psychological treatment come first?
2.When counselling a patient with chronic whiplash who has prominent dizziness, how should you set expectations for quality-of-life gains from a neck exercise programme?
Original publication title
Factors associated with 1-year health-related quality of life after neck-specific exercise in chronic whiplash-associated disorders: an exploratory secondary analysis of a randomized controlled trial