Table 2.
Multiple logistic regression analysis for predictors of the two H. pylori seropositivity exposures (H. pylori IgG, H. pylori CagA IgG) among participants with complete basic socio-demographics and cognitive dataa (both age groups combined), NHANES III phase 1 (1988–1991)
| H. pylori IgG | H. pylori CagA IgG | |||||
|---|---|---|---|---|---|---|
|
| ||||||
| OR | 95%CI | p-value | OR | 95% CI | p-value | |
|
| ||||||
| (N=4,429) | (N=4,429) | |||||
| Age | 1.04 | (1.03;1.05) | <0.001 | 1.02 | (1.02;1.03) | <0.001 |
| Female | 0.77 | (0.64;0.93) | 0.009 | 0.85 | (0.68;1.06) | 0.144 |
| Race (Ref=NH White) | ||||||
| NH Black | 3.53 | (2.74;4.54) | <0.001 | 5.03 | (4.04;6.26) | <0.001 |
| Mexican-American | 4.39 | (3.11;6.21) | <0.001 | 3.08 | (1.99;4.77) | <0.001 |
| Other ethnicity | 4.41 | (2.56;7.59) | <0.001 | 4.95 | (2.76;8.87) | <0.001 |
| Married (Ref=unmarried) | 1.13 | (0.90;1.41) | 0.268 | 0.86 | (0.68;1.10) | 0.220 |
| Education (Ref=<High School) | ||||||
| High School | 0.64 | (0.47;0.87 | 0.007 | 0.75 | (0.54;1.04) | 0.088 |
| >High School | 0.38 | (0.26;0.55) | <0.001 | 0.46 | (0.31;0.66) | <0.001 |
| Poverty income ratio (Ref=0–100%) | ||||||
| >100%–200% | 0.94 | (0.64;1.40) | 0.764 | 1.23 | (0.92;1.64) | 0.149 |
| >200% | 0.76 | (0.55;1.04) | 0.088 | 1.08 | (0.78;1.50) | 0.630 |
| Language of interview (Ref=English) | ||||||
| Spanish | 1.00 | (0.56;1.78) | 0.997 | 1.47 | (0.70;3.08) | 0.289 |
| Cigarette smoking status (Ref=Never) | ||||||
| Former | 0.96 | (0.77;1.18) | 0.673 | 0.96 | (0.75;1.22) | 0.723 |
| Current | 1.06 | (0.80;1.40) | 0.683 | 1.06 | (0.79;1.40) | 0.701 |
| Missing | __ | __ | __ | __ | __ | |
| Self-rated health (Ref=Excellent) | ||||||
| Very good | 1.01 | (0.70;1.46) | 0.963 | 0.88 | (0.64;1.20) | 0.393 |
| Good | 1.00 | (0.73;1.35) | 0.974 | 0.93 | (0.72;1.20) | 0.574 |
| Fair | 1.15 | (0.79;1.67) | 0.445 | 0.82 | (0.60;1.10) | 0.170 |
| Poor | 1.03 | (0.52;2.03) | 0.922 | 0.79 | (0.42;1.51) | 0.465 |
| Missing | 0.25 | (0.03;1.81) | 0.163 | 0.29 | (0.04;1.98) | 0.197 |
| 1995-Healthy Eating Index (Ref=Q1) | ||||||
| Q2 | 0.99 | (0.63;1.55) | 0.959 | 1.18 | (0.78;1.79) | 0.407 |
| Q3 | 0.95 | (0.63;1.55) | 0.799 | 1.09 | (0.65;1.85) | 0.729 |
| Q4 | 0.91 | (0.57;1.44) | 0.664 | 0.90 | (0.58;1.40) | 0.634 |
| Q5 : better quality diet | 0.74 | (0.45;1.22) | 0.228 | 0.83 | (0.59;1.17) | 0.269 |
| Missing | 0.66 | (0.33;1.30) | 0.219 | 0.39 | (0.19;0.79) | 0.011 |
| Physical activity (Ref=More active) | ||||||
| About the same | 0.96 | (0.73;1.25) | 0.725 | 0.78 | (0.60;1.02) | 0.068 |
| Less active | 1.23 | (0.90;1.66) | 0.179 | 1.04 | (0.83;1.30) | 0.734 |
| Body mass index, kg.m−2 | 1.01 | (0.99;1.03) | 0.125 | 1.02 | (1.00;1.03) | 0.021 |
| Co-morbidity index | 0.99 | (0.92;1.06) | 0.759 | 0.93 | (0.87;0.98) | 0.017 |
Abbreviations: NH=Non-Hispanic; NHANES=National Health and Nutrition Examination Surveys; SE=Standard error.