Table 1 Overview of outcome measurements

Instrument

Aim

T0 Baseline (pre-test)

T1 Post-test (8 weeks)

T2 Follow-up (6months)

T3 Follow-up (12 months)

CES-D

Symptoms of depression

X

X

X

X

Work absenteeism

Self-report of absence from work and objective sick leave data

X

X

X

X

Work performance

General work performance in different time periods

X

X

X

X

MBI/UBOS

Burnout symptoms

X

X

X

X

HADS

Anxiety symptoms

X

X

X

X

EQ5D

Quality of life

X

X

X

X

TiC-P

Health care utilization and production losses

X

X

X

X

CIDI

Diagnostic interview

X

X

Mastery

Perceived control

X

X

X

X

Social support and conflicts

Social support from coworkers and supervisor and conflicts with supervisor

X

X

X

X

Course evaluation

Satisfaction with Happy@Work (only intervention group)

X

Other questions

Characteristics

X