1. Effect estimates of included studies reported in original outcome scales.

Study, outcome scale	Assumed risk, in‐person stress management intervention		Corresponding risk, computer‐based stress management intervention		Effect estimate (95% CI)
	Mean (SD)	No. of participants	Mean (SD)	No. of participants
Eisen 2008, SUDS	21.1 (14.48)	48	33.3 (16.33)	15	+12.2 (+2.98 to +21.4)
Wolever 2012, PSS‐10	16.94 (5.7)	44	14.91 (5.7)	57	‐2.03 (‐4.32 to +0.26)
SD = standard deviation CI = confidence interval SUDS = Subjecive Units of Distress Scale PSS‐10 = Perceived Stress Scale