TABLE 1.
Characteristic | Blacks n = 585 No. (%) |
Whites n = 403 No. (%) |
---|---|---|
Fibroid statusa | ||
None | 158 (27) | 200 (50) |
Small | 95 (16) | 70 (17) |
Medium | 191 (33) | 89 (22) |
Large | 141 (24) | 44 (11) |
Source of fibroid status data | ||
Ultrasound | 564 (96) | 396 (98) |
Surgical report | 11 (2) | 2 (1) |
Self-report | 10 (2) | 5 (1) |
Age (y) | ||
35–39 | 216 (37) | 136 (34) |
40–44 | 209 (36) | 136 (34) |
45–49 | 160 (27) | 131 (33) |
Education | ||
High school or less | 124 (21) | 12 (3) |
Some beyond high school | 269 (46) | 33 (8) |
College degree | 71 (12) | 67 (17) |
Postbaccalaureate | 116 (20) | 281 (72) |
Missing | 5 | 10 |
BMI at enrollment | ||
<25 | 149 (25) | 234 (58) |
25–29.99 | 180 (31) | 96 (24) |
30–34.99 | 115 (20) | 37 (9) |
35+ | 141 (24) | 36 (9) |
Age of menarche (y) | ||
<11 | 63 (11) | 17 (4) |
11 | 92 (16) | 61 (15) |
12 | 160 (27) | 111 (28) |
13 | 140 (24) | 135 (34) |
14 | 57 (10) | 43 (11) |
>14 | 70 (12) | 34 (8) |
Missing | 3 | 2 |
Parous | ||
No | 121 (21) | 236 (59) |
Yes | 464 (79) | 167 (41) |
No. of full-term pregnancies delivered after age 24 | ||
0 | 294 (50) | 255 (63) |
1 | 181 (31) | 56 (14) |
2 | 87 (15) | 81 (20) |
3+ | 22 (4) | 11 (3) |
Smoking status | ||
Never | 279 (48) | 234 (58) |
Past | 136 (23) | 137 (34) |
Current, < 10/d | 102 (18) | 14 (3) |
Current, 10-19/d | 55 (9) | 12 (3) |
Current, 20+/d | 9 (2) | 6 (1) |
Alcohol (drinks/wk) | ||
<0.5 | 301 (55) | 60 (16) |
0.5–2 | 122 (22) | 113 (30) |
>2–<7 | 65 (12) | 102 (27) |
7+ | 60 (11) | 96 (26) |
Missing | 37 | 32 |
Fibroid status was categorized based on the diameter of largest fibroid (<2 cm, small; >2->4 cm, medium; ≥4 cm, large).