Table 1 Demographic characteristics of participants with dyspepsia (n = 1916)
Gender | |
 Male | 672 (35.1%) |
 Female | 1244 (64.9%) |
Age distribution (yrs.) | |
 < 30 | 486 (25.4%) |
 30–39 | 438 (22.9%) |
 40–49 | 380 (19.8%) |
 50–59 | 293 (15.3%) |
 ≥ 60 | 319 (16.6%) |
Age (yrs.); Mean ± SD | 42.95 ± 16.32 |
Provinces | |
 Fars | 1460 (76.2%) |
 Lorestan | 280 (14.6%) |
 West Azerbaijan/East Azerbaijan | 108 (5.6%) |
 Others | 68 (3.5%) |
Sociodemographic status | |
 Rural | 1402 (73.2%) |
 Urban age | 514 (26.8%) |
Body mass index (kg/m2); Mean ± SD | 24.54 ± 5.48 |
Cigarette smoking | 183 (9.6%) |
Hiatus hernia | 223 (11.6%) |