Table 2.
Incidence Rate Ratios (IRRs) and 95% Confidence Intervals (CI) obtained from Cox Regression Models for Measures of Racism in Relation to Self-Rated Oral Health, Black Women’s Health Study (N=27 008)
| IRR (95% CI) | ||||
|---|---|---|---|---|
| Cases | Person Years | Crude Model | Adjusted Model1 | |
| Everyday Racism | ||||
| Quartile (Q) 1 (lowest) | 601 | 37 500 | 1.00 (ref) | 1.00 (ref) |
| Q 2 | 1143 | 62 014 | 1.19 (1.08 to 1.31) | 1.19 (1.08 to 1.32) |
| Q 3 | 1092 | 61 959 | 1.14 (1.04 to 1.27) | 1.16 (1.05 to 1.28) |
| Q 4 (highest) | 984 | 42 078 | 1.57 (1.41 to 1.74) | 1.50 (1.35 to 1.66) |
| Lifetime Racism | ||||
| No to All | 1266 | 74 297 | 1.00 (ref) | 1.00 (ref) |
| Yes to 1 | 1126 | 61 899 | 1.06 (0.98 to 1.15) | 1.11 (1.02 to 1.20) |
| Yes to 2 | 888 | 44 339 | 1.17 (1.07 to 1.27) | 1.23 (1.13 to 1.35) |
| Yes to 3 | 540 | 23 014 | 1.36 (1.23 to 1.51) | 1.45 (1.31 to 1.61) |
1
Model adjusted for age, history of cigarette smoking, neighborhood SES (Quintiles, missing), body mass index (<25, 25–29, ≥30, missing), geographic region (North East, South, Midwest, West), years of education (≤12 years, 13–15 years, 16 years, >16 years), parity (Nulliparous, 1, 2, ≥ 3), and history of type 2 diabetes (No, Yes).