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Table 11 Differences in 4DSQ scores in patients with a somatic diagnosis between patients with definite, possible and no somatization according to the GP; study A

From: The Four-Dimensional Symptom Questionnaire (4DSQ): a validation study of a multidimensional self-report questionnaire to assess distress, depression, anxiety and somatization

4DSQ scales Definite somatization
(n = 256)
Possible somatization
(n = 517)
No somatization
(n = 847)
F df p
  Mean (SD) Mean (SD) Mean (SD)    
Distress 10.8 (8.0) 8.3 (7.5) 6.7 (6.6) 34.7 2/1617 < 0.001
Depression 1.5 (2.8) 0.9 (2.2) 0.6 (1.7) 18.5 2/1617 < 0.001
Anxiety 2.8 (4.0) 2.0 (3.7) 1.5 (2.6) 16.5 2/1617 < 0.001
Somatization 10.4 (5.9) 8.5 (6.0) 6.3 (5.2) 64.9 2/1617 < 0.001