Usual CR (Control group)
worry
MUSCLE RELAXATION
Usual CR consists of 8 to 10 weeks of group-based exercise classes and educational seminars. Educational seminars focused on health and medical risk factor management. The extent of psychological components varied by site. All sites included educational seminars on stress management and relaxation, which focused on breathing techniques and progressive muscle relaxation. At 3 sites stress management sessions also incorporated 2 cognitive therapy strategies (i.e., challenging negative thoughts and worry decision tree). In addition, 1 site offered a 4-week stress management course as part of CR that included generating and sharing a CBT case formulation based on Greenberger and Padesky [