Table 1 Characteristics of participants
Characteristics | Overall (N = 2235) | Non-endometriosis (N = 2060) | Endometriosis (N = 175) | P value |
|---|---|---|---|---|
Age (years) | 0.095 | |||
≤ 40 | 1455 (58.2%) | 1368 (59.0%) | 87 (51.3%) | |
> 40 | 780 (41.8%) | 692 (41.0%) | 88 (48.7%) | |
Age at menarche (years) | 0.387 | |||
< 12 | 509 (21.3%) | 464 (20.8%) | 45 (25.0%) | |
12–13 | 1187 (54.6%) | 1089 (54.7%) | 98 (53.9%) | |
≥ 14 | 539 (24.2%) | 507 (24.5%) | 32 (21.1%) | |
PIR | 0.419 | |||
< 1.3 | 623 (21.5%) | 584 (21.5%) | 39 (21.8%) | |
1.3-3.0 | 807 (34.5%) | 751 (35.3%) | 56 (28.1%) | |
> 3.0 | 805 (43.9%) | 725 (43.2%) | 80 (50.1%) | |
BMI (kg/m2) | 0.149 | |||
< 25 | 776 (42.0%) | 720 (42.6%) | 56 (36.5%) | |
≥ 25 | 1459 (58.0%) | 1340 (57.4%) | 119 (63.5%) | |
Smoked ≥ 100cigarettes | 0.002 | |||
Yes | 858 (43.1%) | 768 (41.4%) | 90 (57.6%) | |
No | 1377 (56.9%) | 1292 (58.6%) | 85 (42.4%) | |
Race/ethnicity | 0.001 | |||
Mexican American | 497 (7.4%) | 488 (8.0%) | 9 (1.4%) | |
Other Hispanic | 96 (5.7%) | 91 (6.1%) | 5 (2.0%) | |
Non-Hispanic White | 1088 (70.6%) | 965 (69.0%) | 123 (84.8%) | |
Non-Hispanic Black | 457 (11.6%) | 425 (12.1%) | 32 (7.9%) | |
Other | 97 (4.7%) | 91 (4.8%) | 6 (3.9%) | |
Marital status | 0.010 | |||
Married/Living with partner | 1499 (68.3%) | 1380 (67.3%) | 119 (77.3%) | |
Never married | 414 (14.6%) | 391 (18.2%) | 23 (7.3%) | |
Widowed/Divorced/Separated | 322 (17.0%) | 289 (14.5%) | 33 (15.4%) | |
Education level | 0.112 | |||
High school and below | 507 (15.8%) | 486 (16.2%) | 21 (11.5%) | |
Above high school | 1728 (84.2%) | 1574 (83.8%) | 154 (88.5%) | |
Hypertension | 0.287 | |||
Yes | 406 (18.9%) | 358 (18.5%) | 48 (21.9%) | |
No | 1829 (81.1%) | 1702 (81.5%) | 127 (78.1%) | |
Diabetes | 0.436 | |||
Yes | 97 (3.4%) | 90 (3.5%) | 7 (2.6%) | |
No | 2138 (96.6%) | 1970 (96.5%) | 168 (97.4%) | |
Alcohol intake | 0.850 | |||
Yes | 1376 (68.2%) | 1257 (68.1%) | 119 (69.1%) | |
No | 859 (31.8%) | 803 (31.9%) | 56 (30.9%) | |
Oral contraceptive | 0.020 | |||
Yes | 1742 (80.8%) | 1586 (79.9%) | 156 (89.3%) | |
No | 493 (19.2%) | 474 (20.1%) | 19 (10.7%) | |
Infertility | 0.160 | |||
Yes | 311 (17.1%) | 286 (12.0%) %) | 25 (17.7%) | |
No | 1924 (82.9%) | 1774 (88.0%) | 150 (82.3%) | |
CRP (mg/dL) | 0.47 (0.73) | 0.46 (0.74) | 0.57 (0.67) | 0.041 |
Fasting triglyceride (mg/dL) | 121.62 (99.40) | 117.20 (81.42) | 160.52 (192.34) | 0.007 |
Fasting glucose, mg/dl | 94.32 (20.48) | 94.29 (20.45) | 94.56 (20.84) | 0.857 |
TyG | 8.48 (0.58) | 8.45 (0.56) | 8.68 (0.68) | < 0.001 |
Total cholesterol (mg/dL) | 195.51 (40.22) | 194.35 (39.89) | 205.78 (41.79) | 0.001 |
CTI | 7.83 (0.95) | 7.79 (0.94) | 8.20 (0.98) | < 0.001 |