Table 2.

Perceived stress and depressive symptoms among Mentes Positivas en Acción participants: treatment group versus delayed intervention control group, and delayed intervention control group after receiving the Mentes Positivas en Acción program

Outcome measure	Treatment group compared with delayed-intervention control group					Delayed-intervention control groupa
	Baseline, mean (SD)		8-weeks, mean (SD)
	Treatment (N=70)	Control (N=70)	Treatment (N=61)	Control (N=29)	pb	8-weeks (N=26), mean (SD)	16-weeks,c (N=26), mean (SD)	Changed (SD)	p
Perceived stress (PSS)	2.1 (1.1)	2.4 (0.9)	1.3 (0.7)	2.5 (0.8)	0.014	2.5 (0.8)	1.7 (0.7)	−0.8 (0.8)	<0.000
Depressive symptoms (PHQ-9)	7.8 (6.7)	7.5 (6.7)	2.1 (2.8)	7.2 (6.1)	0.011	7.2 (6.1)	3.3 (5.0)	−3.9 (5.5)	0.002

^aAfter an 8-week delayed-intervention control group waiting period, before beginning MPA program.

^bGroup×time interaction.

^cAfter receiving MPA program.

^dPre–post MPA program change score.

MPA, Mentes Positivas en Acción; PSS, Perceived Stress Scale.