TABLE II.
Breath Pacing App HRVB Arm (%) | Cognitive Bias App CBM-I Arm (%) | p-Value | |
---|---|---|---|
Before arrival in combat zone | |||
App use | 35/91 (38.5) | 32/78 (41.0) | 0.75 |
Skill use | 34/91 (37.4) | 7/77 (10.4) | 0.0002 |
In combat zone | |||
App use | 25/92 (27.5) | 19/78 (24.4) | 0.73 |
Skill use | 44/91 (48.3) | 8/77 (10.4) | <0.0001 |
After returning home | |||
App use | 2/91 (2.2) | 1/78 (1.3) | 0.89 |
Skill use | 22/90 (24.4) | 1/78 (1.3) | <0.0001 |
CBM-I is cognitive bias modification for interpretation training arm of the study; HRVB is heart rate variability biofeedback training arm of the study.