Table 1.
Table 1a: Demographic characteristics and health behaviors by menstrual regularity and amenorrhea
Table 1b: Reproductive history by menstrual regularity and amenorrhea
| All women N=446 | Amenorrhea (N=285) | Menstrual Cycle Regularity (N=446) | |||||
|---|---|---|---|---|---|---|---|
| No amenorrhea N=260 | Amenorrhea N=25 | p-value | Regular N=300 | Irregular N=146 | p-value | ||
| Demographic characteristics | |||||||
| Age, mean (± SD) | 31 (9) | 26 (6) | 25 (6) | 0.23 | 30 (7) | 29 (8) | 0.16 |
| Race/ethnicity, N (%) | |||||||
| White, non-Hispanic | 243 (54%) | 130 (50%) | 20 (80%) | <0.01* | 91 (62%) | 152 (51%) | 0.07 |
| Black, non-Hispanic | 69 (15%) | 48 (18%) | 0 | 19 (13%) | 50 (17%) | ||
| Hispanic | 84 (19%) | 45 (17%) | 4 (16%) | 26 (18%) | 58 (19%) | ||
| Other/Missing | 50 (11%) | 37 (14%) | 1 (4%) | 10 (7%) | 40 (13%) | ||
| High school/GED, N (%) | 187 (42%) | 95 (37%) | 11 (44%) | 0.46 | 132 (44%) | 55 (38%) | 0.20 |
| Homeless, N (%) | 72 (16%) | 37 (14%) | 6 (24%) | 0.19 | 44(15%) | 28 (19%) | 0.22 |
| Usual source of medical care, N (%) | 319 (72%) | 184 (71%) | 16 (64%) | 0.48 | 215 (72%) | 104 (71%) | 0.92 |
| Has health insurance, N (%) | 198 (45%) | 109 (42%) | 9 (36%) | 0.55 | 133 (45%) | 65 (45%) | 0.97 |
| Longest job held in months, mean (± SD) | 38 (44) | 28 (34) | 24 (18%) | 0.38 | 39 (40) | 29 (41) | 0.02 |
| Health behaviors | |||||||
| Current smoker, N (%) | 356 (80%) | 209 (80%) | 18 (72%) | 0.32 | 241 (80%) | 115 (79%) | 0.70 |
| Alcohol intoxication last 90 days, N (%) | 133 (30%) | 93 (36%) | 4 (16%) | 0.05* | 83 (27%) | 50 (35%) | 0.15 |
| Drug use last 90 days, N (%) | 232 (52%) | 139 (53%) | 16 (64%) | 0.31 | 148 (49%) | 84 (56%) | 0.10 |
| Total sexual partners, median | 7 | 8 | 10 | 0.52** | 7 | 8 | 0.49** |
|
| |||||||
| All women N=446 | Amenorrhea (N=285) | Menstrual Cycle Regularity (N=446) | |||||
| No amenorrhea N=260 | Amenorrhea N=25 | p-value | Regular N=300 | Irregular N=146 | p-value | ||
|
| |||||||
| Reproductive history | |||||||
| Age of menarche, mean (± SD) | 13 (2) | 12 (2) | 12 (2) | 0.25 | 13 (3) | 13(2) | 0.20 |
| Among users, periods cease with recreational drug or methadone use (n=314), N (%) | 122 (39%) | 66 (36%) | 15 (79%) | <0.001* | 68 (33%) | 54 (51%) | <0.01 |
| Ever pregnant, N (%) | 370 (83%) | 197 (76%) | 20 (80%) | 0.64 | 249 (83%) | 121 (83%) | 0.92 |
| Age of first pregnancy, mean (± SD) | 18 (4) | 18 (3) | 19 (4) | 0.10 | 18 (4) | 18(4) | 0.95 |
| Number of deliveries, mean (± SD) | 2.2 (1.7) | 1.8 (1.4) | 1.3 (1.3) | 0.16 | 2.3 (1.7) | 1.9 (1.4) | 0.01 |
| Number of terminations, mean (± SD) | 0.7 (1.1) | 0.7 (1.1) | 0.8 (0.8) | 0.70 | 0.7 (1.0) | 0.8 (1.2) | 0.34 |
*
P-value estimated from Fisher’s exact test
**
P-value estimated from rank sum test