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Table 1 Sociodemographic characteristics of the patients

From: Assessment of the structured clinical interview (SCID) for DSM-5 for somatic symptom disorder in general hospital outpatient clinics in China

  No SSD (n = 473) SSD (n = 224) P Mild (n = 46) Moderate (n = 78) Severe (n = 100) P
Age (years) 43.1 ± 14.7 43.0 ± 14.0 0.957 43.5 ± 14.7 40.2 ± 14.2 45.4 ± 13.1 0.052
Sex, female (%) 284(61.6%) 143(60.6%) 0.806 21 (45.7%) 50 (64.1%) 63 (63.0%) 0.088
Health insurance, yes (%) 400(87.7%) 200(85.5%) 0.406 38 (82.6%) 66 (84.6%) 85 (86.7%) 0.800
Residence, urban (%) 386(83.7%) 187(79.6%) 0.174 35(76.1%) 60(76.9%) 84(84.8%) 0.306
Marital status, married (%) 343(74.4%) 163(69.1%) 0.194 31 (67.4%) 49 (62.8%) 77 (77.0%) 0.364
Family income (monthly, Yuans) (%)    0.196     0.850
Low (< 4000) 145(31.7%) 89(38.0%)   17(37.0%) 32(41.6%) 36(36.4%)  
Middle (4000–8000) 162(35.4%) 80(34.2%)   15(32.6%) 24(31.2%) 38(38.4%)  
High (> 8000) 151(33.0%) 65(27.8%)   14(30.4%) 21(27.3%) 25(25.3%)  
Profession, employed (%) 237(51.4%) 105(44.5%) 0.215 25 (54.3%) 34 (43.6%) 39(39.0%) 0.699
Education, university or higher (%) 230(49.9%) 105(44.5%) 0.227 20 (43.5%) 41 (52.6%) 38 (38.0%) 0.239
Exercise in winter, never (%) 123(26.7%) 70(29.7%) 0.670 15 (32.6%) 20 (25.6%) 33 (33.0%) 0.680
Exercise in summer, never (%) 95(20.6%) 54(22.9%) 0.597 9 (19.6%) 14 (17.9%) 29 (29.0%) 0.113
Smoking, never (%) 340(73.8%) 165(70.2%) 0.473 31 (67.4%) 58 (74.4%) 67 (67.7%) 0.165
Alcohol, never (%) 218(47.3%) 127(54%) 0.385 26 (56.5%) 39 (50.0%) 54 (54.5%) 0.908
  1. SSD: somatic symptom disorders