Table 7.

Comparison of the mean scores on the PSS-10, GAD-7, and PHQ-9 between subscribers who completed both the baseline and 6-week surveys and subscribers who only completed the 6-week survey.

Scale	Score at sixth week, mean (SD)		Independent t test	P value
	Subscribers who completed the sixth-week assessments but not the baseline assessments	Subscribers who completed both the baseline and sixth week assessments
PSS-14a	19.36 (7.12)	19.44 (7.05)	–0.25	.80
PHQ-9b	8.20 (5.79)	8.69 (5.75)	–1.79	.07
GAD-7c	7.55 (5.40)	7.71 (5.21)	–0.66	.51

^aPSS-10: 10-Item Perceived Stress Scale.

^bPHQ-9: Patient Health Questionnaire-9.

^cGAD-7: Generalized Anxiety Disorder–7.