Weekly mindful attitude increased during both CBGT (cognitive behavioral group therapy), b = 1.25, 95% CI [0.76, 1.74], t = 5.09, p < .001, and MBSR (mindfulness-based stress reduction), b = 1.76, 95% CI [1.27, 2.25], t = 7.13, p < .001, with no interaction of session by group, b = −0.51, 95% CI [−1.20, 0.18], t = −1.46, p = .15.