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Table 1 Demographic characteristics of 471 FD patients versus scores of two somatization scales (mean ± SD)

From: Developing the Patient Health Questionnaire-8 for a greater impact on the quality of life of patients with functional dyspepsia compared to Somatic Symptom Scale-8

  PHQ-8 t/F P value SSS-8 t/F P value
Gender   2.484 0.013   3.322 0.001
 Male (n = 172) 4.32 ± 2.78    4.30 ± 2.29   
 Female (n = 299) 4.97 ± 2.65    5.04 ± 2.39   
Age (years)   1.439 0.231   1.987 0.115
 18–29 (n = 45) 3.96 ± 2.49    3.98 ± 2.03   
 30–44 (n = 201) 4.78 ± 2.61    4.84 ± 2.33   
 45–59 (n = 211) 4.87 ± 2.85    4.90 ± 2.48   
 ≥ 60 (n = 14) 4.57 ± 2.62    4.50 ± 2.47   
Level of education   1.669 0.173   2.428 0.065
 Primary school (n = 107) 5.15 ± 2.96    5.25 ± 2.76   
 Junior high school (n = 223) 4.46 ± 2.71    4.54 ± 2.24   
 High school (n = 68) 4.87 ± 2.63    4.96 ± 2.48   
 College or above (n = 73) 4.82 ± 2.38    4.62 ± 2.03   
  1. FD functional dyspepsia, PHQ-8 Patient Health Questionnaire-8, SSS-8 Somatic Symptom Scale-8
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