Implementation of the Internet-based Aftercare Program 'GSA-Online Plus'

Future prospects of employment measured with the "Subjective Prognosis of Work Ability Scale" (SPE)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Working ability measured with the short form of the "Work Ability Index" (WAI)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Depressive symptoms measured with a subscale of the "Patient Health Questionnaire" (PHQ-9)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Anxiety measured with the "General Anxiety Disorder Scale" (GAD-7)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Somatic symptom burden measured with the Somatic Symptom Scale-8 (SSS-8)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Psychosocial stressors measured with a subscale of the "Patient Health Questionnaire" (PHQ-10)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Overall health status measured with the "EQ-5D-3L" questionnaire

Time frame: At study inclusion (T1) and 12 weeks later (T14)

General capability measured with the "Sheehan-Disability Scale"

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Loneliness measured with the "Loneliness Scale" (LS-S)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Psychological stress measured with the "Perceived Stress Scale" (PSS-4)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Personal resources measured with the "Oslo Support Scale" (OSS-3)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Personal resources measured with the "Brief Resilient Coping Scale" (BRCS)

Time frame: At study inclusion (T1) and 12 weeks later (T14)

Regular Monitoring of self-rated health status

Item drawn from the "EQ-5D-3L" questionnaire

Time frame: up to 12 weeks from study inclusion (T2-T13)

Regular Monitoring of self-rated work ability

Item drawn from the "Work Ability Index" (WAI)

Time frame: up to 12 weeks from study inclusion (T2-T13)

Evaluation of the therapeutic feedback

Two self developed items ('How satisfied are you with ... / How helpful was therapeutic feedback') on a five-point Likert scale.

Time frame: up to 12 weeks from study inclusion (T2-T13)

Evaluation of GSA-Online+

Self developed items to assess overall satisfaction with, helpfulness and utilization of GSA-Online+

Time frame: 12 weeks after study inclusion (T14)

Willingness to pay

Self developed items if and how much money participants would pay for GSA-Online+

Time frame: 12 weeks after study inclusion (T14)