Yoga participants improved more than both exercise and control participants in anger ( Cohen 's d = 0.89 for yoga versus exercise , and 0.90 for yoga versus control , pretest to posttest ; and d = 0.90 and 0.72 , pretest to follow-up ) , anxiety ( d = 0.27 , 0.39 and 0.62 , 0.63 ) , depression ( d = 0.47 , 0.49 and 0.53 , 0.51 ) , well-being ( d = 0.14 , 0.49 and 0.25 , 0.61 ) , general self-efficacy ( d = 0.63 , 1.10 and 0.30 , 0.85 ) , and self-efficacy for daily living ( d = 0.52 , 0.81 and 0.27 , 0.42 ) .