Table 2.

Overview of internet-based and mobile-based stress management interventions (iSMI) and waitlist control group (WLC) symptom severity of subgroups at baseline (T1), postassessment (T2), and 6-month follow-up (T3).

Symptom severity			Mean–1SD		Mean		Mean+1SD
			n	Mean (SD)	n	Mean (SD)	n	Mean (SD)
Perceived Stress Scale
	T1
		iSMIa	68	18.7 (2.6)	255	25.7 (2.2)	73	31.8 (1.9)
		WLCb	60	19.2 (2.2)	268	25.4 (2)	67	31.7 (1.9)
	T2
		iSMI	68	15.7 (5.4)	255	18.2 (5.4)	73	20.4 (6.9)
		WLC	60	19.9 (5.2)	268	23.2 (5.3)	67	26.5 (5.8)
	T3
		iSMI	68	14.6 (5.3)	255	16.6 (6)	73	18.4 (6.6)
		WLC	60	19.2 (6.4)	268	21.9 (5.8)	67	26 (6.3)
Center for Epidemiological Depression Scale
	T1
		iSMI	78	11.9 (3.1)	255	23.9 (4.7)	63	38.4 (5)
		WLC	57	12.2 (2.4)	267	23.5 (4.6)	62	37 (3.9)
	T2
		iSMI	78	10.1 (6.2)	255	16.5 (7.4)	63	22.9 (10.9)
		WLC	57	14.1 (5.4)	267	21.2 (7.7)	62	31.7 (8.6)
	T3
		iSMI	78	10.5 (6.8)	255	14.3 (6.9)	63	19.8 (10)
		WLC	57	16.3 (7.3)	267	21.1 (8.7)	62	28.6 (10.7)
Hospital Anxiety and Depression Scale
	T1
		iSMI	57	5.9 (1.2)	279	11 (1.9)	60	16.5 (1.6)
		WLC	59	5.9 (1)	264	10.7 (1.8)	72	16.3 (1.4)
	T2
		iSMI	57	5.2 (2.5)	279	7.4 (3.1)	60	11.7 (3.9)
		WLC	59	6.7 (2.5)	264	9.9 (2.9)	72	14 (3)
	T3
		iSMI	57	4.4 (2.3)	279	6.6 (3.1)	60	9.3 (3.7)
		WLC	59	6.6 (3.2)	264	9.5 (3.4)	72	13.3 (3.6)
Maslach Burnout Inventory
	T1
		iSMI	74	3.6 (0.4)	258	4.8 (0.4)	64	5.8 (0.2)
		WLC	62	3.6 (0.5)	273	4.8 (0.4)	60	5.8 (0.2)
Insomnia Severity Index
	T1
		iSMI	62	4.4 (2.1)	261	13.7 (3.3)	69	22.7 (2.6)
		WLC	71	4.4 (2.1)	249	13.8 (3.4)	74	22.3 (2.1)

^aiSMI: internet-based and mobile-based stress management interventions.

^bWLC: waitlist control group.