. Author manuscript; available in PMC: 2021 Sep 1.

Published in final edited form as: Psychol Addict Behav. 2020 Apr 16;34(6):660–668. doi: 10.1037/adb0000581

Table 2.

Descriptives and intercorrelations among perceived stress and depressive symptoms

	PSS Baseline	BDI Baseline	PSS Mid-Tx	BDI Mid-Tx	PSS EOT	BDI EOT	PSS Month 3	BDI Month 3
PSS Baseline	--
BDI Baseline	.53^***	--
PSS Mid-Tx	--^a	--^a	--
BDI Mid-Tx	.48^***	44^***	--	--
PSS EOT	.54^***	.35^***	--^a	--	--
BDI EOT	.47^***	.41^***	--^a	.85^***	.45^***	--
PSS Month 3	.53^***	.37^***	--^a	45^***	.59^***	44^***	--
BDI Month 3	.41^***	.50^***	--^a	.62^***	.47^***	.61^***	.54^***	--
Mean	18.15	8.11	--^a	4.53	17.01	3.91	17.07	4.59
SD	6.01	5.4	--^a	5.46	6.24	5.65	5.84	6.01

Note: PSS = Perceived Stress Scale score. BDI =Beck Depression Inventory score. EOT = End of treatment. SD = standard deviation.

^{*** =}

p < .001;

^{** =}

p < .01;

^{* =}

p < .05.

^{a =}

parameter not available because PSS was not administered mid-treatment. Total scores on the short-form version of the BDI can range from 0 to 39. Total scores on the PSS can range from 0 to 40.