Table 3. Mean and standard deviation values for depression, pain acceptance and psychological flexibility in the two study groups at different stages of evaluation.

Variables	Control group			Intervention group
	Pre-test	Post-test	Follow-up	Pre-test	Post-test	Follow-up
Depression	27.70 (±6.56)	29.10 (±4.07 )	31.70 (±3.38)	29.10 (±7.29)	11.90 (±3.40)	13.20 (±3.33)
Pain acceptance	53.05 (±6.86)	55.35 (±6.51)	57.55 (±6.72)	52 (±7.80)	68.70 (±15.89)	71.70 (±17.54)
Psychological flexibility	26.10 (±8.8 )	27.50 (±9.64)	29.45 (±9.57)	28.25 (±11.28)	39.40 (±11.57)	42.15 (±9.30)