Table 3 Schedule of assessments
Measures | Enrollment | Baseline | 6 weeks | 12 weeks | 24 weeks |
|---|---|---|---|---|---|
Screening and enrollment | |||||
  Eligibility screening | ✓ | ||||
  Informed consent | ✓ | ||||
Baseline information | |||||
  Sociodemographics* | ✓ | ||||
  Expectations and preference | ✓ | ||||
  Back pain history and comorbidities | ✓ | ||||
Primary outcomes | |||||
  Low back pain intensity (DVPRS) | ✓ | ✓ | ✓ | ✓ | |
  Back-related function (RMDQ) | ✓ | ✓ | ✓ | ✓ | |
Secondary outcomes | |||||
  Pain medication use | ✓ | ✓ | ✓ | ✓ | |
  PTSD CheckList—Civilian version (PCL-C) | ✓ | ✓ | ✓ | ✓ | |
  Health-related quality of life (SF-12) | ✓ | ✓ | ✓ | ✓ | |
  Satisfaction with treatment | ✓ | ✓ | ✓ | ✓ | |
  Global improvement | ✓ | ✓ | ✓ | ||
Cost-effectiveness outcomes | |||||
  Work productivity | ✓ | ✓ | ✓ | ✓ | |
  Medical utilization and cost | ✓ | ✓ | ✓ | ✓ | |
Exploratory outcomes | |||||
  PROMIS-29 and pain interference | ✓ | ✓ | ✓ | ✓ | |
  Depression (PHQ-9) and anxiety (GAD-7) | ✓ | ✓ | ✓ | ✓ | |
  Relationship satisfaction (DAS) | ✓ | ✓ | ✓ | ||
  Pain self-efficacy (PSEQ) | ✓ | ✓ | ✓ | ||
  Sleep quality (PSQI) | ✓ | ✓ | ✓ | ||
  Coping strategies (CSQ) | ✓ | ✓ | ✓ | ||
  Post-concussive symptoms (NSI) | ✓ | ✓ | ✓ | ||
Possible covariates and confounders | |||||
  Exercise history | ✓ | ✓ | ✓ | ✓ | |
  Low back pain treatments | ✓ | ✓ | ✓ | ✓ | |
  Alcohol, drugs, and smoking | ✓ | ✓ | ✓ | ||