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The purpose of this study was to examine the effects of a MBSR program on physiological and psychological outcomes among early-stage breast cancer survivors. A quasi-experimental, pre-and posttest control group design was selected. The intervention group received the MBSR intervention. The control group received no MBSR intervention. ANOVA and ANCOVA were used to analyze data. The intervention group demonstrated statistically significant improvement in physiological and psychological outcomes including reduced blood pressure, heart rate, and respiratory rate and increased mindfulness state at the level of p = .05 to p = .001. The effects of MBSR on reducing stress in this sample were statistically significant on the physiological outcome (morning cortisol) at the measurement after the intervention completion, but this effect was not sustained at 1-month follow-up. MBSR showed a trend toward improving psychological outcomes by reducing mood disturbance in this sample.
Matchim et al. (Mon,) studied this question.