Rate ratios of potential risk factors for self reported gastric ulcers, Cooper Clinic, Dallas, Texas, 1970–1990
| Men | Women | |||||
|---|---|---|---|---|---|---|
| Cases | Subjects | RR (95% CI) | Cases | Subjects | RR (95% CI) | |
| RR, risk ratio. | ||||||
| Physical activity | ||||||
| Active | 19 | 2059 | 0.51 (0.30 to 0.87) | 6 | 563 | 0.55 (0.22 to 1.37) |
| Moderately active | 47 | 3686 | 0.71 (0.48 to 1.05) | 18 | 1395 | 0.66 (0.35 to 1.27) |
| Referent | 50 | 2784 | 1.00 | 18 | 926 | 1.00 |
| Trend test: χ2=6.966, p=0.008 | Trend test: χ2=2.175, p=0.140 | |||||
| Psychological tension | ||||||
| High | 36 | 1905 | 1.83 (1.22 to 2.75) | 16 | 635 | 2.67 (1.39 to 5.11) |
| Low | 63 | 6112 | 1.00 | 20 | 2116 | 1.00 |
| Smoking | ||||||
| Yes | 56 | 3362 | 1.43 (1.01 to 2.06) | 18 | 1043 | 1.32 (0.72 to 2.43) |
| No | 60 | 5167 | 1.00 | 24 | 1841 | 1.00 |
| Ethanol consumption | ||||||
| Heavy | 32 | 2059 | 0.86 (0.55 to 1.34) | 6 | 325 | 1.26 (0.50 to 3.19) |
| Moderate | 13 | 1507 | 0.48 (0.26 to 0.88) | 6 | 369 | 1.11 (0.44 to 2.82) |
| Light | 25 | 2421 | 0.57 (0.35 to 0.93) | 14 | 1098 | 0.87 (0.43 to 1.77) |
| None | 46 | 2542 | 1.00 | 16 | 1092 | 1.00 |
| Trend test: χ2=0.797, p=0.372 | Trend test: χ2=0.237, p=0.626 | |||||
| Age (years) | ||||||
| >60 | 7 | 537 | 1.21 (0.54 to 2.72) | 1 | 179 | 0.41 (0.05 to 3.06) |
| 40.1 to 60 | 76 | 4927 | 1.43 (0.95 to 2.15) | 25 | 1535 | 1.15 (0.64 to 2.22) |
| 20 to 40 | 33 | 3065 | 1.00 | 16 | 1170 | 1.00 |
| Trend test: χ2=1.836, p=0.175 | Trend test: χ2=0.167, p=0.683 | |||||
| Body mass index | ||||||
| Higher 25% | 30 | 1923 | 1.18 (0.76 to 1.82) | 4 | 618 | 0.38 (0.13 to 1.08) |
| Reference | 62 | 4684 | 1.00 | 28 | 1650 | 1.00 |
| Lower 25% | 24 | 1922 | 0.94 (0.59 to 1.51) | 10 | 616 | 0.96 (0.47 to 1.96) |