Table 5 Women’s characteristics for studying associations between blood heavy metal concentrations and long-term amenorrhea
Characteristics | Total Sample N (%) | Long-term amenorrhea1 N (%) | Menstruating2 N (%) | p-Value3 |
|---|---|---|---|---|
Total Women | 1919 | 103 (6.4) | 1816 (93.6) | |
Age, mean ± SE (years) | 34 ± 0.2 | 35 ± 0.1 | 33 ± 0.2 | 0.24 |
Race/Ethnicity | 0.03 | |||
Hispanic | 501 (18.4) | 23 (11.9) | 478 (18.8) | |
Non-Hispanic White | 664 (58.0) | 47 (68.5) | 617 (57.3) | |
Non-Hispanic Black | 409 (13.4) | 26 (14.1) | 383 (13.3) | |
Other Race Including Multi-Racial | 345 (10.3) | 7 (5.6) | 338 (10.6) | |
Education Level | 0.65 | |||
Less than High School | 285 (10.7) | 16 (11.8) | 269 (10.6) | |
High School | 382 (19.9) | 27 (23.0) | 355 (19.6) | |
More than High School | 1252 (69.4) | 60 (65.3) | 1192 (69.7) | |
Marital Status | 0.77 | |||
Married / Living with Partner | 1117 (60.8) | 57 (63.5) | 1060 (60.6) | |
Divorced / Widowed / Separated | 228 (10.1) | 13 (10.8) | 215 (10.1) | |
Never Married | 574 (29.1) | 33 (25.7) | 541 (29.3) | |
Covered by Health Insurance | 0.47 | |||
Yes | 1533 (82.5) | 88 (85.7) | 1445 (82.3) | |
No | 386 (17.5) | 15 (14.3) | 371 (17.7) | |
Poverty Income Ratio, mean ± SE | 2.75 ± 0.065 | 2.59 ± 0.189 | 2.77 ± 0.067 | 0.39 |
Body Mass Index (kg/m**2) | 0.88 | |||
Underweight (< 18.5) | 38 (2.1) | 1 (1.2) | 37 (2.1) | |
Normal Weight (18.5–24.9) | 591 (31.8) | 34 (31.9) | 557 (31.8) | |
Overweight (25.0–29.9) | 451 (25.0) | 21 (22.6) | 430 (25.2) | |
Obese (> 30) | 839 (41.1) | 47 (44.4) | 792 (40.9) | |
Ever Smoked | 0.51 | |||
Yes | 580 (32.6) | 34 (35.9) | 546 (32.3) | |
No | 1339 (67.4) | 69 (64.1) | 1270 (67.7) | |
Ever taken hormone-based contraception? | 0.38 | |||
Yes | 1328 (75.4) | 73 (71.3) | 1255 (75.7) | |
No | 591 (24.6) | 30 (28.7) | 561 (24.3) |