Table 2. Mean Percentage of European Ancestrya among African American Women with Uterine Fibroids (Cases) and Controls.
Cases | Controls | Unadjusted mean difference (β) |
Age-adjusted mean difference (β) |
Age-adjusted 95% CI of (β) |
P-value | |||
---|---|---|---|---|---|---|---|---|
| ||||||||
No. | mean % | No. | mean % | |||||
All cases and controls | 393 | 20.7 | 132 | 21.3 | -1.16 | -1.27 | (-4.02, 1.48) | 0.362 |
Case with age < 40, all controls | 126 | 20.5 | 132 | 21.3 | -1.72 | -1.46 | (-5.22, 2.31) | 0.449 |
Case with age ≥ 40, all controls | 267 | 20.8 | 132 | 21.3 | -0.86 | -0.74 | (-4.00, 2.52) | 0.657 |
Cases and controls, parity = 0 | 206 | 21.0 | 60 | 20.6 | 0.81 | 0.44 | (-3.64, 4.52) | 0.832 |
Cases and controls, parity ≥ 1 | 197 | 20.4 | 72 | 22.0 | -2.95 | -2.84 | (-6.61, 0.93) | 0.140 |
Cases and controls, BMI ≤ 25 | 88 | 21.2 | 44 | 21.0 | 0.50 | 0.47 | (-4.74, 5.67) | 0.861 |
Cases and controls, BMI > 25 and BMI ≤ 30 | 125 | 21.3 | 38 | 21.7 | -0.60 | -1.25 | (-6.07, 3.57) | 0.611 |
Cases and controls, BMI > 30 and BMI ≤ 35 | 80 | 20.4 | 26 | 21.5 | -2.22 | -2.33 | (-8.67, 4.00) | 0.470 |
Cases and controls, BMI > 35 | 100 | 19.7 | 24 | 21.3 | -3.31 | -2.90 | (-9.32, 3.52) | 0.376 |
Cases controls, low physical activity | 143 | 20.6 | 46 | 20.1 | 1.14 | 1.92 | (-3.04, 6.88) | 0.448 |
Cases controls, moderate physical activity | 133 | 21.1 | 31 | 21.8 | -1.25 | -1.99 | (-7.13, 3.17) | 0.450 |
Cases controls, high physical activity | 115 | 20.6 | 54 | 21.8 | -2.32 | -3.17 | (-7.83, 1.49) | 0.182 |
Estimated using the program ADMIXMAP