Table 2.
Baseline characteristics by Helicobacter pylori serology
| H. pylori serology | ||||
| Factor | Category | Negative | Positive | p-value |
| Age (years) |
47.6 (37.3–60.6) |
47.4 (37.7–60.6) |
0.53* | |
| Sex | Male | 144 (68.2%) |
101 (72.7%) |
0.38** |
| Female | 67 (31.8%) |
38 (27.3%) |
||
| Time from baseline investigation to analysis (years) |
25.1 (14.3–28.9) |
24.8 (14.3–29.0) |
0.14* | |
| Body mass index (kg/m2) |
24.0 (17.6–37.8) |
24.2 (18.2–41.0) |
0.82* | |
| Smoking status | Never smoker | 69 (32.7%) |
32 (23.0%) |
0.14** |
| Current smoker | 96 (45.5%) |
74 (53.2%) |
||
| Former | 46 (21.8%) |
33 (23.7%) |
||
| Mm-MAST category† | Low | 97 (46.0%) |
67 (48.2%) |
0.81** |
| Intermediate | 97 (46.0%) |
58 (41.7%) |
||
| High | 12 (5.7%) |
9 (6.5%) |
||
| Missing | 5 (2.4%) |
5 (3.6%) |
||
| γ-glutamyle transferase-tertiles (μkat/l) | 1 (< 0.35) | 87 (41.2%) |
42 (30.7%) |
0.14** |
| 2 (0.35–0.60) | 66 (31.3%) |
51 (37.2%) |
||
| 3(> 0.60) | 58 (27.5%) |
44 (32.1%) |
||
Numbers represent n with column percent in bracket except for numbers in italics which represent medians with range in brackets.
*Mann-Whitney U-test ** Chi-square test.
†Mm-MAST, Malmö modification of the brief Michigan Alcoholism Screening Test.