Table 3.
Results of Logistic Regression Evaluating the Association Between Demographic Factors and H pylori Positivity, Stratified by Time Interval
| 1999–2018 | 1999–2006 | 2007–2012 | 2013–2018 | |||||
|---|---|---|---|---|---|---|---|---|
| Demographic variable | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) |
| Age, y (ref: <40) | ||||||||
| • 40 to <70 | 1.10 (1.09–1.10) | 1.09 (1.08–1.09) | 1.14 (1.14–1.15) | 1.14 (1.13–1.15) | 1.08 (1.07–1.08) | 1.07 (1.07–1.07) | 1.05 (1.04–1.05) | 1.04 (1.03–1.04) |
| • ≥70 | 1.13 (1.13–1.14) | 1.13 (1.13–1.14) | 1.20 (1.89–1.21) | 1.21 (1.20–1.22) | 1.10 (1.10–1.11) | 1.11 (1.11–1.12) | 1.04 (1.04–1.05) | 1.05 (1.05–1.06) |
| Male sex (ref: female) | 1.06 (1.06–1.06) | 1.06 (1.05–1.06) | 1.09 (1.09–1.10) | 1.07 (1.06–1.08) | 1.04 (1.04–1.05) | 1.04 (1.04–1.05) | 1.02 (1.02–1.03) | 1.03 (1.03–1.04) |
| Race or ethnicity (ref: white) | ||||||||
| • Hispanics | 1.18 (1.18–1.19) | 1.17 (1.17–1.18) | 1.25 (1.24–1.26) | 1.21 (1.20–1.22) | 1.21 (1.21–1.22) | 1.21 (1.20–1.21) | 1.14 (1.13–1.15) | 1.15 (1.14–1.15) |
| • Black | 1.22 (1.22–1.23) | 1.22 (1.22–1.22) | 1.24 (1.23–1.24) | 1.23 (1.23–1.24) | 1.25 (1.25–1.26) | 1.25 (1.24–1.25) | 1.21 (1.20–1.21) | 1.20 (1.20–1.21) |
| • Other | 1.08 (1.08–1.08) | 1.08 (1.08–1.09) | 1.07 (1.06–1.08) | 1.07 (1.06–1.08) | 1.08 (1.08–1.09) | 1.08 (1.08–1.09) | 1.07 (1.06–1.07) | 1.07 (1.07–1.08) |
| US Census Region (ref: Midwest) | ||||||||
| • Northeast | 0.98 (0.97–0.98) | 0.98 (0.97–0.98) | 0.95 (0.94–0.96) | 0.95 (0.95–0.96) | 0.99 (0.99–1.00) | 0.99 (0.99–1.00) | 0.97 (0.97–0.98) | 0.97 (0.96–0.97) |
| • South | 1.07 (1.07–1.08) | 1.05 (1.05–1.05) | 1.10 (1.09–1.10) | 1.08 (1.08–1.09) | 1.08 (1.08–1.09) | 1.05 (1.05–1.06) | 1.03 (1.03–1.04) | 1.01 (1.00–1.01) |
| • West | 1.01 (1.01–1.01) | 1.00 (1.00–1.01) | 1.00 (0.99–1.00) | 1.00 (0.99–1.00) | 1.04 (1.03–1.04) | 1.03 (1.03–1.04) | 0.98 (0.98–0.99) | 0.98 (0.97–0.98) |
NOTE. Values were rounded to the nearest one-hundredth. Because of high precision of these estimates, some confidence intervals only vary after the second decimal place.
OR, odds ratio.