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Table 1 Characteristics of the study sample

From: Helicobacter pylori infection, serum pepsinogens as markers of atrophic gastritis, and leukocyte telomere length: a population-based study

  Overall, n (%) Men, n (%) Women, n (%)
Total 934 496 438
Mean age, years, (SD) 52.0 (13.9) 51.9 (14.0) 52.0 (13.8)
Age groups, years
 27–34 127 (13.6) 71 (14.3) 56 (12.8)
 35–44 191 (20.4) 97 (19.6) 94 (21.5)
 45–54 205 (21.9) 110 (22.2) 95 (21.7)
 55–64 195 (20.9) 100 (20.2) 95 (21.7)
 65–78 216 (23.1) 118 (23.8) 98 (22.3)
Education
 Did not complete high school 598 (64.2) 291 (58.8) 307 (70.2)
 Completed high school 210 (22.5) 118 (23.8) 92 (21.1)
 Academic education 124 (13.3) 86 (17.4) 38 (8.7)
Number of siblings
 0–3 87 (9.3) 45 (9.1) 42 (9.6)
 4–7 423 (45.3) 222 (44.8) 201 (45.9)
 ≥ 8 423 (45.3) 228 (46.1) 195 (44.5)
Religiosity
 Religious 350 (37.6) 161 (32.5) 189 (43.4)
 Traditional/secular 580 (62.4) 334 (67.5) 246 (56.6)
Marital status*
 Married 764 (82.0) 467 (94.2) 297 (68.1)
 Not married 168 (18.0) 29 (5.8) 139 (31.9)
Smoking
 ≥ 1 cigarettes/day 241 (26.0) 202 (40.8) 39 (9.0)
 No smoking/other 687 (74.0) 293 (59.2) 394 (91.0)
Obesity
 BMI < 30 kg/m2 522 (55.9) 338 (68.1) 184 (42.0)
 BMI ≥ 30 kg/m2 412 (44.1) 158 (31.9) 254 (58.0)
Sufficient physical activity level
 No 180 (19.3) 68 (13.7) 112 (25.6)
 Yes 754 (80.7) 428 (86.3) 326 (74.4)
High physical activity level
 No 265 (28.4) 111 (22.4) 154 (35.2)
 Yes 669 (71.6) 385 (77.6) 284 (64.8)
  1. BMI body mass index; SD standard deviation
  2. *Not married included persons who defined themselves as single, divorced, or widowed