Research Article
Mediators of Yoga and Stretching for Chronic Low Back Pain
Table 4
Assessment of the reduction of the intervention effect on twelve-week change in RDQ* associated with mediator(s).
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RDQ: Roland-Morris Disability Questionnaire. Model framework: each line is a separate model assessing the reduction in intervention effect after including mediator(s) in the model. Both the estimated total intervention (without any mediators) and mediator(s) models adjust for baseline variables age, sex, BMI, back pain days, work type, pain travelling down the leg, bothersomeness, and RDQ. Saliva cohort has the same baseline adjustments as the main cohort analysis with the addition adjustment of alcohol, tobacco, and medication use on the day of saliva sample collection. Best overall mediator scenarios include the following mediators: 1Self-efficacy, conscious awareness of body, psychological distress, perceived stress, sleep disturbance, and hours of back exercise. 2Fear, self-efficacy, conscious awareness of body, psychological distress, positive states of mind, and hours of back exercise. 3Self-efficacy, Psychological Distress, perceived stress scale, sleep disturbance, hours of back exercise, and DHEA diurnal average (log scale). 4Self-efficacy, conscious awareness of body, perceived stress scale, positive states of mind, and cortisol awakening response. |