Table 1 Characteristics of the patients
Variable | n (%) |
|---|---|
Gender | |
 Male | 110 (41.2) |
 Female | 157 (58.8) |
Age in years (Mean ± SD = 46.69 ± 14.57 years) | |
 20–29 | 36 (13.5) |
 30–39 | 56 (21.0) |
 40–49 | 58 (21.7) |
 50–59 | 64 (23.9) |
 60–69 | 35 (13.2) |
  ≥ 70 | 18 (6.7) |
Marital status | |
 Married/living together | 191 (71.6) |
 Divorced/widow(er) | 17 (6.4) |
 Unmarried | 54 (20.2) |
 Other | 2 (0.7) |
 Missing value | 3 (1.1) |
Education | |
 Elementary school | 14 (5.3) |
 Middle school | 22 (8.2) |
 High school | 71 (26.6) |
 College and above | 157 (58.8) |
 Other | 1 (0.4) |
 Missing value | 2 (0.7) |
IBS subtype | |
 IBS-C | 41 (15.3) |
 IBS-D | 143 (53.6) |
 IBS-M | 47 (17.6) |
 IBS-U | 36 (13.5) |