Table 1.
Baseline characteristics of the analyzed participants (N=1204).
| Characteristics | Non-endometriosis | Endometriosis | P value | Non-uterine fibroid | Uterine fibroid | P value |
|---|---|---|---|---|---|---|
| n = 1127 | n = 77 | n = 1053 | n = 151 | |||
| Age, year | 34.69 (9.68) | 38.30 (8.82) | 0.001 | 33.64 (9.34) | 43.83 (6.77) | <0.001 |
| Menarche age | 12.61 (1.77) | 12.29 (1.93) | 0.238 | 12.61 (1.76) | 12.38 (1.87) | 0.138 |
| Ethnicity | 0.033 | <0.001 | ||||
| Non-Hispanic white | 357 (31.7) | 16 (20.8) | 346 (32.9) | 27 (17.9) | ||
| Non-Hispanic black | 532 (47.2) | 48 (62.3) | 517 (49.1) | 63 (41.7) | ||
| Hispanic/other | 238 (21.1) | 13 (16.9) | 190 (18.0) | 61 (40.4) | ||
| Education level | 0.631 | 0.639 | ||||
| lower than high school | 247 (21.9) | 12 (15.6) | 232 (22.0) | 27 (17.9) | ||
| high school | 238 (21.1) | 18 (23.4) | 224 (21.3) | 32 (21.2) | ||
| Some College or AA degree | 384 (34.1) | 28 (36.4) | 355 (33.7) | 57 (37.7) | ||
| College Graduate or above | 258 (22.9) | 19 (24.7) | 242 (23.0) | 35 (23.2) | ||
| BMI group | 0.365 | 0.001 | ||||
| Non-obesity | 718 (63.7) | 53 (68.8) | 692 (65.7) | 79 (52.3) | ||
| Obesity | 409 (36.3) | 24 (31.2) | 361 (34.3) | 72 (47.7) | ||
| Current pregnancy status | 0.252 | <0.001 | ||||
| No | 906 (80.4) | 66 (85.7) | 828 (78.6) | 144 (95.4) | ||
| Yes | 221 (19.6) | 11 (14.3) | 225 (21.4) | 7 (4.6) | ||
| Ovary removed | <0.001 | <0.001 | ||||
| No | 1069 (94.9) | 54 (70.1) | 1019 (96.8) | 104 (68.9) | ||
| Yes | 58 (5.1) | 23 (29.9) | 34 (3.2) | 47 (31.1) | ||
| Female hormone | <0.001 | <0.001 | ||||
| No | 1027 (91.1) | 55 (71.4) | 975 (92.6) | 107 (70.9) | ||
| Yes | 100 (8.9) | 22 (28.6) | 78 (7.4) | 44 (29.1) | ||
| Menopause status | <0.001 | <0.001 | ||||
| Premenopause | 993 (88.1) | 52 (67.5) | 960 (91.2) | 85 (56.3) | ||
| Postmenopause | 134 (11.9) | 25 (32.5) | 93 (8.8) | 66 (43.7) |
BMI, body mass index. Data are presented as mean ± SD or n (%). The t-test and χ2 test were between the endometriosis and no endometriosis groups or between the uterine leiomyomata and no uterine leiomyomata groups.