Table 3. The effect of the twelve-week intervention on psychological parameters Outcome

	MetS (n=33)	non-MetS (n=41)	p-Value*
GDS
Before	5.39 ±1.78	4.26 ±2.08	0.04
After	3.38 ±1.30	3.40 ±1.12	NS
Change	2.01	0.86
Cohen’s d	1.31	0.54
p-Value	0.008	NS
Stress level
Before	5.03 ±2.21	4.36 ±1.82	0.02
After	3.84 ±1.60	4.07 ±1.69	NS
Change	1.19	0.29
Cohen’s d	0.62	0.17
p-Value	< 0.001	NS
Emotional Tension
Before	4.90 ±1.92	4.34 ±1.79	0.03
After	3.84 ±1.58	4.12 ±1.36	NS
Change	1.06	0.22
Cohen’s d	0.61	0.14
p-Value	0.002	NS
External Stress
Before	4.33 ±2.02	3.63 ±1.68	0.03
After	3.27 ±1.71	3.52 ±1.52	NS
Change	1.06	0.11
Cohen’s d	0.57	0.07
p-Value	0.002	NS
Intrapsychic stress
Before	5.06 ±2.17	4.34 ±1.87	NS
After	3.78 ±1.57	4.04 ±1.78	NS
Change	1.28	0.30
Cohen’s d	0.68	0.16
p-Value	< 0.001	NS

*between group; GDS-Geriatric Depression Scale; NS-non significant