Table 1 Demographic characteristics of the study population
Characteristic | Overall (n = 4990) | Non-endometriosis (n = 4636) | Endometriosis (n = 354) | P value |
|---|---|---|---|---|
Age(years), mean (SD) | 37.63 (9.97) | 37.29 (10.09) | 40.96 (7.95) | < 0.001*** |
Age, n(%) | < 0.001*** | |||
20–29 | 1,497.00(22.75%) | 1,455.00 (24.20%) | 42.00 (8.53%) | |
30–39 | 1,294.00 (25.51%) | 1,200.00 (25.85%) | 94.00 (22.16%) | |
40–49 | 1,206.00 (29.01%) | 1,082.00 (27.59%) | 124.00 (43.01%) | |
>=50 | 993.00 (22.73%) | 899.00 (22.37%) | 94.00 (26.29%) | |
Race, n(%) | < 0.001*** | |||
Mexican American | 1,195.00 (8.38%) | 1,165.00 (8.97%) | 30.00 (2.59%) | |
Non − Hispanic White | 2,318.00 (68.91%) | 2,075.00 (67.40%) | 243.00 (83.78%) | |
Non − Hispanic Black | 1,012.00 (12.00%) | 951.00 (12.39%) | 61.00 (8.19%) | |
Other Hispanic | 245.00 (5.28%) | 238.00 (5.62%) | 7.00 (1.93%) | |
Other races | 220.00 (5.41%) | 207.00 (5.61%) | 13.00 (3.51%) | |
Education, n(%) | < 0.001*** | |||
Below high school | 1,188.00 (14.72%) | 1,148.00 (15.25%) | 40.00 (9.51%) | |
High school | 2,701.00 (62.49%) | 2,479.00 (62.64%) | 222.00 (61.02%) | |
Above high school | 1,101.00 (22.78%) | 1,009.00 (22.10%) | 92.00 (29.47%) | |
Marital status, n(%) | < 0.001*** | |||
Unmarried | 1,465.00 (27.10%) | 1,404.00 (28.22%) | 61.00 (16.10%) | |
Married | 3,525.00 (72.90%) | 3,232.00 (71.78%) | 293.00 (83.90%) | |
BMI (kg/m2), n(%) | 0.625 | |||
Normal weight | 1,730.00 (40.52%) | 1,608.00 (40.64%) | 122.00 (39.33%) | |
Overweight | 1,832.00 (33.79%) | 1,703.00 (33.91%) | 129.00 (32.56%) | |
Obese | 1,428.00 (25.70%) | 1,325.00 (25.45%) | 103.00 (28.12%) | |
Physical activity, n(%) | 0.602 | |||
Inactive | 1,906.00 (30.40%) | 1,788.00 (30.26%) | 118.00 (31.77%) | |
Active | 3,084.00 (69.60%) | 2,848.00 (69.74%) | 236.00 (68.23%) | |
Smoking, n(%) | 0.004** | |||
Yes | 1,908.00 (42.65%) | 1,744.00 (41.76%) | 164.00 (51.41%) | |
No | 3,082.00 (57.35%) | 2,892.00 (58.24%) | 190.00(48.59%) | |
Alcohol user, n(%) | 0.231 | |||
Yes | 220.00 (4.05%) | 207.00 (4.19%) | 13.00 (2.70%) | |
No | 4,770.00 (95.95%) | 4,429.00 (95.81%) | 341.00 (97.30%) | |
Hypertension, n(%) | 0.001*** | |||
Yes | 1,028.00 (21.82%) | 912.00 (21.05%) | 116.00 (29.37%) | |
No | 3,962.00 (78.18%) | 3,724.00 (78.95%) | 238.00 (70.63%) | |
Diabetes, n(%) | ||||
Yes | 130.00 (2.26%) | 121.00 (2.27%) | 9.00 (2.14%) | 0.917 |
No | 4,860.00 (97.74%) | 4,515.00 (97.73%) | 345.00 (97.86%) | |
Oral contraceptive, n(%) | < 0.001*** | |||
Yes | 3,797.00 (80.52%) | 3,478.00 (79.42%) | 319.00 (91.37%) | |
No | 1,193.00 (19.48%) | 1,158.00 (20.58%) | 35.00 (8.63%) | |
Menarche Age, mean(SD) | 12.59 (1.68) | 12.62 (1.68) | 12.37 (1.70) | 0.068 |
HDL(mg/dl) | 58.02 (16.08) | 58.03 (16.01) | 57.96 (16.70) | 0.826 |
TC(mg/dl) | 196.78 (40.22) | 195.92 (39.94) | 205.18 (42.05) | 0.002** |
NHHR | 2.63 (1.25) | 2.61 (1.22) | 2.85 (1.52) | 0.045* |
NHHR Quantile, n(%) | 0.069 | |||
Q1 (≤ 1.796) | 1,173.00(25.16%) | 1,093.00(25.40%) | 80.00(22.80%) | |
Q2(1.797–2.440) | 1,235.00(24.92%) | 1,151.00(25.29%) | 84.00(21.29%) | |
Q3(2.441–3.250) | 1,314.00(24.94%) | 1,232.00(25.03%) | 82.00(24.07%) | |
Q4(> 3.250) | 1,268.00(24.98%) | 1,160.00(24.28%) | 108.00(31.84%) |