Table 1 Overview of sessions

1

Browser:

Psychoeducation:

Information about panic

Defining goals of training

Setting up a reward list

Mobile:

Daily diary

Registration of current panic event (event-based)

Daily summary of panic, avoidance, and mood

2

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Interoceptive exposure:

Bodily symptoms in panic

Avoidance

Safety behaviors

Mobile:

Respiratory interoceptive exposure exercises

Daily diary

3

Browser:

In vivo exposure:

Defining an anxiety hierarchy

Mobile:

In vivo exposures

Dizziness interoceptive exposure exercises

Daily diary

4

Browser:

Cognitive restructuring I:

Negative automatic thoughts

Defining anxiety project (training schedule for exposures)

Mobile:

In vivo exposures

Further interoceptive exposure exercises

Daily diary

5

Browser:

Cognitive restructuring II:

Reality testing of automatic negative thoughts

Mobile:

In vivo exposures

Further interoceptive exposure exercises

Daily diary

6

Browser:

Relapse prevention:

Early warning signs

Critical life events

Evaluation of training and its aims

Mobile:

Breathing and muscle relaxation exercises