Pretest

Posttest

(n = 154)

(n = 53)

Age (media, SD)

19.82 (3.83)

19.42 (1.96)

Median, Range

19 (17-47)

19 (17-25)

Younger (17-19) (n, %)

93 (60.38)

34 (64.02)

Older (20-47) (n, %)

61 (39.61)

19 (35.08)

Gender (n, %)

Male

21 (13.6)

4 (7.5)

Female

133 (86.4)

49 (92.5)

Interventions (n, %)

App Calm

38 (24.7)

17 (32.1)

App E-Trainer

59 (38.3)

26 (49.1)

Control Group

57 (36.8)

10 (18.8)