Table 3.

Comparison of DASS depression, anxiety, stress, and total scores between the Mediterranean and control groups before and after the intervention (mean and standard deviation)(Tabriz, Iran, 2022–2023).

Variables	Intervention group (n = 30)	Control group (n = 30)	Pa
DASS Depression Score
Pre-intervention	13.06(6.82)	13.28(5.27)	0.714a
Post-intervention	12.88(5.49)	11.86(4.46)	0.429c, <0.001d, 0.302e
Pb	0.701	0.130
DASS Anxiety Score
Pre-intervention	9.61(4.51)	11.12(3.74)	0.142a
Post-intervention	9.64(4.15)	10.94(4.28)	0.876c, <0.001d, 0.054e
Pb	0.946	0.729
DASS Stress Score
Pre-intervention	13.58(4.56)	13.43(3.40)	0.648a
Post-intervention	13.36(3.43)	12.83(2.79)	0.670c, <0.001d, 0.588e
Pb	0.394	0.161
DASS Total Score
Pre-intervention	36.46(13.70)	37.93(10.47)	0.611a
Post-intervention	35.87(11.27)	35.92(10.39)	0.694c, <0.001d, 0.915e
Pb	0.591	0.213

DASS: Depression Anxiety Stress Scales.

^a Independent samples t-test.

^b Paired Samples t-test.

^c Analysis of covariance (ANCOVA) unadjusted (Model 1).

^d Analysis of covariance (ANCOVA) after adjusting baseline values (Model 2).

^e Analysis of covariance (ANCOVA) after adjusting compliance with relevant training (Model 3).