TABLE 3.
“Everyday” Perceived Racism and Risk of Uterine Leiomyomata
| No. Cases | No. Person-Years | Crude IR | Multivariable IRR (95% CI)* | Multivariable IRR (95% CI)† | |
|---|---|---|---|---|---|
| Everyday experiences of racism | |||||
| Poor service | |||||
| <1/mo‡ | 2774 | 86,838 | 31.9 | 1.00 | 1.00 |
| 1/mo | 358 | 10,890 | 32.9 | 1.08 (0.97-1.21) | 1.08 (0.96-1.20) |
| ≥1 mo | 308 | 9399 | 32.8 | 1.05 (0.94-1.19) | 1.06 (0.94-1.19) |
| Not intelligent | |||||
| <1/mo‡ | 2354 | 76,035 | 31.0 | 1.00 | 1.00 |
| 1/mo | 400 | 10,985 | 36.4 | 1.23 (1.11-1.37) | 1.20 (1.09-1.34) |
| ≥1 mo | 686 | 20,106 | 34.1 | 1.14 (1.05-1.25) | 1.15 (1.05-1.25) |
| Afraid of you | |||||
| <1/mo‡ | 2839 | 89,644 | 31.7 | 1.00 | 1.00 |
| 1/mo | 252 | 6782 | 37.2 | 1.22 (1.07-1.39) | 1.20 (1.06-1.37) |
| ≥1 mo | 349 | 10,701 | 32.6 | 1.03 (0.93-1.16) | 1.04 (0.93-1.17) |
| Dishonest | |||||
| <1/mo‡ | 2957 | 92,789 | 31.9 | 1.00 | 1.00 |
| 1/mo | 209 | 6289 | 33.2 | 1.10 (0.96-1.27) | 1.09 (0.94-1.25) |
| ≥1 mo | 274 | 8048 | 34.0 | 1.08 (0.96-1.23) | 1.10 (0.97-1.25) |
| Better than you | |||||
| <1/mo‡ | 2092 | 66,065 | 31.7 | 1.00 | 1.00 |
| 1/mo | 409 | 12,438 | 32.9 | 1.08 (0.97-1.20) | 1.07 (0.96-1.19) |
| ≥1 mo | 939 | 28,624 | 32.8 | 1.08 (1.00-1.17) | 1.10 (1.02-1.19) |
| Summary variable | |||||
| <1.6‡ | 471 | 17,148 | 27.5 | 1.00 | 1.00 |
| 1.6-1.9 | 949 | 29,215 | 32.5 | 1.18 (1.06-1.32) | 1.16 (1.04-1.29) |
| 2.0-2.5 | 1049 | 31.984 | 32.8 | 1.22 (1.09-1.36) | 1.19 (1.06-1.32) |
| ≥2.6 | 971 | 28,781 | 33.7 | 1.29 (1.15-1.43) | 1.27 (1.14-1.42) |
| Test for ordinal trend | P < 0.001 | P < 0.001 |
Adjusted for age and time period.
Adjusted for age, time period, parity, age at menarche, BMI, alcohol, smoking, age at first birth, years since last birth, oral contraceptive use, education, marital status, income, occupation, geographic region, and foreign-born status.
Reference group.
IR indicates incidence rate per 1000 person-years; CI, confidence interval.