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Table 12 Logistic regression analysis with GP's suspicion of somatization in patients with a somatic diagnosis as dependent variable and the 4DSQ scores as independent variables, according to the level of GP's suspicion; 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

  Definite somatization Possible somatization
  Odds ratioa 95% CI p Odds ratioa 95% CI p
Initial model     
Distress 1.03 1.00, 1.06 0.094 1.01 0.99, 1.03 0.442
Depression 1.04 0.96, 1.12 0.346 1.02 0.96, 1.10 0.521
Anxiety 0.97 0.93, 1.03 0.315 0.98 0.93, 1.02 0.253
Somatization 1.07 1.04, 1.10 < 0.001 1.09 1.07, 1.12 < 0.001
Final model       
Distress 1.03 1.00, 1.05 0.012    
Somatization 1.07 1.04, 1.10 < 0.001 1.10 1.08, 1.12 < 0.001
  1. a the odds ratio is associated with one unit of the scale