Table 3.
Risk ratio of all potential risk factors using Cox proportional hazards model, Cooper Institute for Aerobics Research, Dallas, Texas,1970-1990
| Men | Women | |||
|---|---|---|---|---|
| Risk factor | Duodenal ulcer HR (95% CI) | Gastric ulcer HR (95% CI) | Duodenal ulcer HR (95% CI) | Gastric ulcer HR (95% CI) |
| Moderately active | 0.54 (0.30-0.96) | 1.08 (0.51-2.27) | 0.62 (0.15-2.53) | 1.08 (0.69-1.69) |
| Active | 0.38 (0.15-0.94) | 1.01 (0.56-1.82) | 1.47 (0.32-6.83) | 1.19 (0.44-3.25) |
| High tension | 1.97 (1.14-3.43) | 1.57 (1.04-2.38) | 0.66 (0.14-3.10) | 2.52 (1.30-4.89) |
| Smoking | 1.91 (1.09-3.35) | 1.71 (1.13-2.58) | 0.61 (0.15-2.45) | 1.14 (0.57-2.28) |
| Ethanol (light) | 1.90 (0.90-4.02) | 0.65 (0.38-1.11) | 1.93 (0.47-7.88) | 1.11 (0.48-2.53) |
| Ethanol (moderate) | 0.80 (0.31-2.05) | 0.43 (0.22-0.83) | 0.80 (0.08-7.88) | 1.15 (0.41-3.23) |
| Ethanol (heavy) | 0.77 (0.33-1.80) | 0.72 (0.43-1.21) | 2.56 (0.39-16.92) | 1.28 (0.44-3.70) |
| Age (40-60 yr) | 1.07 (0.59-1.94) | 1.24 (0.80-1.93) | 0.63 (0.18-2.24) | 1.13 (0.57-2.24) |
| Age (>60.1 yr) | 1.95 (0.72-5.33) | 1.26 (0.52-3.05) | 1.16 (0.13-10.22) | 0.62 (0.08-4.73) |
| BMI (upper 25%) | 1.13 (0.60-2.14) | 1.04 (0.63-1.74) | 2.00 (0.55-7.35) | 1.25 (0.57-2.74) |
| BMI (lower 25%) | 0.64 (0.29-1.40) | 1.04 (0.64-1.70) | 0.39 (0.05-3.28) | 0.41 (0.14-1.21) |
| HR = hazard ratio; CI = confidence interval; BMI = body mass index | ||||