Table 1. Baseline characteristics of study subjects according to H. pylori seropositivity.
| H. pylori seropositive (n = 1,326) | H. pylori seronegative (n = 925) | P value | |
|---|---|---|---|
| Age, years | 55.0 (50.0–60.3) | 53.0 (48.0–59.0) | <0.001 |
| Sex, male | 953 (71.9) | 646 (69.8) | 0.299 |
| BMI, kg/m2 | 24.3 (22.4–26.2) | 24.1 (22.3–26.0) | 0.191 |
| Waist circumference, cm | 87.0 (82.0–93.0) | 87.0 (81.0–92.0) | 0.348 |
| Smoking status | 0.016 | ||
| Never | 685 (51.7) | 526 (56.9) | |
| Ever* | 641 (48.3) | 399 (43.1) | |
| Alcohol consumption | 0.658 | ||
| Not excessive | 995 (75.0) | 686 (74.2) | |
| Excessive | 331 (25.0) | 239 (25.8) | |
| Physical activity | 0.895 | ||
| Regular exercise | 499 (37.6) | 351 (37.9) | |
| Inactive | 827 (62.4) | 574 (62.1) | |
| Systolic BP, mmHg | 128.0 (119.0–138.0) | 127.0 (118.0–137.0) | 0.027 |
| Diastolic BP, mmHg | 84.0 (78.0–91.0) | 84.0 (77.0–90.0) | 0.229 |
| Pulse rate, bpm | 64.0 (58.0–70.0) | 64.0 (58.0–71.0) | 0.603 |
| Hypertension | 677 (51.1) | 441 (47.7) | 0.123 |
| Diabetes mellitus | 238 (17.9) | 147 (15.9) | 0.211 |
| Dyslipidemia | 706 (53.2) | 451 (48.8) | 0.040 |
Values are presented as median (interquartile range) or n (%). H. pylori, Helicobacter pylori; n, number; BMI, body mass index; BP, blood pressure
*: Ever smoker was defined as a current or ex-smoker.