From: The Four-Dimensional Symptom Questionnaire (4DSQ) in the general population: scale structure, reliability, measurement invariance and normative data: a cross-sectional survey
4DSQ scale
Reliability coefficients
SEM
Cronbach’s alpha
Omega-total
Omega-hierarchical
Distress
0.926
0.976
0.952
1.00
Depression
0.909
0.30
Anxiety
0.879
0.963
0.959
0.53
Somatization
0.845
0.944
0.896
1.17