Table 5.

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

Scale	Score at baseline, mean (SD)		Independent t test	P value
	Subscribers who completed the baseline assessment but not the 6-week assessment	Subscribers who completed both the baseline and 6-week assessments
PSS-10a	20.55 (6.77)	20.30 (6.71)	0.96	.34
PHQ-9b	9.03 (6.22)	8.94 (6.0)	0.35	.73
GAD-7c	9.64 (5.93)	9.56 (5.65)	0.37	.72

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

^bPHQ-9: Patient Health Questionnaire-9.

^cGAD-7: Generalized Anxiety Disorder–7.