Table 2 Demographic characteristics of patients considering the presence of H. pylori and erosive gastroesophageal reflux disease (n = 1916)

Gender^a

0.36

 Male

316 (36.2%)

356 (34.2%)

489 (33.9%)

183 (38.6%)

 Female

558 (63.8%)

686 (65.8%)

953 (66.1%)

291 (61.4%)

Age (yrs.); Mean ± SD^b

44.3 ± 16.7

41.8 ± 15.9

0.001

42.9 ± 15.9

43.2 ± 17.4

Sociodemographic status^a

0.21

 Rural

599 (68.5%)

686 (65.8%)

1055 (73.2%)

230 (48.5%)

 Urban

275 (31.5%)

356 (34.2%)

387 (26.8%)

244 (51.5%)

Provinces^a

0.43

 Fars

651 (74.5%)

809 (77.6%)

1111 (77.0%)

349 (73.6%)

 Lorestan

139 (15.9%)

56 (13.5%)

207 (14.4%)

73 (15.4%)

 West Azerbaijan/East Azerbaijan

52(5.9%)

141 (5.4%)

76 (5.3%)

32 (6.8%)

 Others

32 (3.7%)

36 (3.5%)

48 (3.3%)

20 (4.2%)

Body mass index (kg/m); Mean ± SD^b

24.9 ± 5.44

24.3 ± 5.5

0.02

24.6 ± 5.5

24.3 ± 5.5

Cigarette smoking^a

115 (13.2%)

68 (6.5%)

< 0.001

140 (9.7%)

43 (9.1%)

Hiatus hernia^a

151 (17.3%)

72 (6.9%)

< 0.001

171 (11.9%)

52 (11.0%)