Table 3.
Association of periodontal disease within subgroups and CKD, fully adjusted model
| Subgroup | OR | 95% Confidence Interval | P |
|---|---|---|---|
| Race/ethnicity | |||
| non-Hispanic white | 1.72 | 1.15, 2.56 | 0.010 |
| non-Hispanic black | 0.96 | 0.54, 1.69 | 0.874 |
| Mexican Americans | 1.35 | 0.69, 2.61 | 0.364 |
| Test for interaction | 0.243 | ||
| Poverty status | |||
| PIR ≥ 3.5 | 1.75 | 0.90, 3.35 | 0.094 |
| PIR 1.01 to 3.49 | 1.17 | 0.73, 1.90 | 0.490 |
| PIR ≤ 1 | 2.57 | 1.25, 5.28 | 0.012 |
| Test for interaction | 0.259 | ||
| Educational attainment | |||
| more than high school | 1.60 | 0.97, 2.64 | 0.066 |
| high school | 2.00 | 1.24, 3.23 | 0.006 |
| less than high school | 1.13 | 0.71, 1.78 | 0.593 |
| Test for interaction | 0.107 |
Full model adjusted for age, gender, tobacco use, hypertension, diabetes, race/ethnicity, poverty status, educational attainment, and dental care use. PIR, poverty index ratio.