Table 3.
Final multivariate logistic model for nondysplastic Barrett’s esophagus
| Risk factor | Adjusteda OR (95% CI) |
|---|---|
| Age | |
| Per 5 years | 1.14 (1.06–1.23) |
| Sex | |
| Women | 1.00 (Ref) |
| Men | 2.17 (1.50–3.14) |
| Smoking status | |
| Never smoker | 1.00 (Ref) |
| Ex-smoker | 1.41 (0.96–2.06) |
| Current smoker | 1.93 (1.15–3.24) |
| Body mass index last year (kg/m2) | |
| < 25 | 1.00 (Ref) |
| 25–29.9 | 0.96 (0.64–1.44) |
| ≥ 30 | 1.41 (0.90–2.22) |
| Education | |
| University | 1.00 (Ref) |
| Technical College/Diploma | 1.29 (0.77–2.15) |
| School only | 2.08 (1.23–3.50) |
| Frequency of use of acid suppressant medications (H2Rs or PPIs) in the past 5 years | |
| Never | 1.00 (Ref) |
| Ever | 2.07 (1.46–2.93) |
|
| |
| AUC (95%CI) | |
| Development dataset | 0.70 (0.66–0.74) |
| Validation dataset | 0.61 (0.56–0.66) |
AUC, area under the receiver operator characteristic curve; CI, confidence interval; H2R, H2-receptor antagonist; OR, odds ratio; PPI, proton pump inhibitor.
a
Odds ratios were adjusted for all other terms in the table.