Measures | Baseline | 6-Wk | 12-Wk | 26-Wk |
---|---|---|---|---|
BASELINE INFORMATION | Â | Â | Â | Â |
Sociodemographic characteristics | x | Â | Â | Â |
Back pain history | x | Â | Â | Â |
Expectations of treatment | x | Â | Â | Â |
Knowledge of yoga and therapeutic exercises | x | Â | Â | Â |
CORE SET OF OUTCOMES FOR BACK PAIN STUDIES | Â | Â | Â | Â |
* Roland Morris Disability Questionnaire (RDQ)(dysfunction) | x | x | x | x |
* Bothersomeness of low back pain | x | x | x | x |
Satisfaction with back care | x | x | x | Â |
Disability days | x | x | x | x |
Patient global rating of improvement | Â | x | x | x |
TREATMENT-RELATED INFORMATION | Â | Â | Â | Â |
Adverse experiences | Â | x | x | x |
Perceptions of yoga and therapeutic exercise classes, including instructors | Â | Â | x | Â |
Adherence to assigned treatment, including home practice | Â | x | x | x |
POTENTIAL CONFOUNDERS | Â | Â | Â | Â |
Use of co-interventions: medications | x | x | x | x |
Use of co-interventions: other treatments | Â | Â | x | x |
Daily exercise and job-related activity | x | x | x | x |
Smoking status | x | Â | Â | x |
Lawsuits, workers compensation (initial exclusion) | Â | Â | x | x |
Body Mass Index | x | Â | Â | x |
POTENTIAL MEDIATING VARIABLES | Â | Â | Â | Â |
Positively impacts cognitive appraisal | Â | Â | Â | Â |
Fear avoidance | x | x | x | x |
Self-efficacy | x | x | x | x |
Conscious awareness of body | x | x | x | x |
Positively impacts affect and stress | Â | Â | Â | Â |
Psychological distress | x | x | x | x |
Perceived stress | x | x | x | x |
Positive emotions | x | x | x | x |
Reduces physical impairment | Â | Â | Â | Â |
Physical Impairment Index | x | Â | x | Â |
Improves neuroendocrine function | Â | Â | Â | Â |
Salivary cortisol | x | x | x | Â |
Salivary DHEA | x | x | x | Â |