Table 1.
Comparison of women experiencing any change compared to no change in menstrual cycle length.
| Total (n = 804) | Any change (n = 154) | No change (n = 650) | Test Statistic | p | |
|---|---|---|---|---|---|
| Mean (SD) or % | Mean (SD) or % | Mean (SD) or % | |||
| Covariates: | |||||
| Age | 35.3 (5.5) | 36.0 (5.7) | 35.2 (5.4) | t = −1.52 | .129 |
| White | 29.7% | 34.4% | 28.6% | χ2 = 2.01 | .157 |
| AA | 24.0% | 28.6% | 22.9% | χ2 = 2.18 | .140 |
| Latina | 22.9% | 18.2% | 24.0% | χ2 = 2.39 | .122 |
| Chinese | 19.3% | 14.3% | 20.5% | χ2 = 3.05 | .081 |
| Filipina | 4.0% | 4.5% | 3.8% | χ2 = 0.16 | .690 |
| Educationg | 3.5 (1.3) | 3.6 (1.2) | 3.5 (1.3) | t = −0.97 | .802 |
| Smoking (% current/past) | 23.9% | 25.3% | 23.5% | χ2 = 0.22 | .640 |
| Physical activity level (MET-hours) | 8.8 (10.3) | 8.4 (9.1) | 8.9 (10.6) | t = 0.48 | .629 |
| Parity (1=1+live births, 0=no live births) | 44.7% | 47.4% | 44.0% | χ2 = 0.58 | .445 |
| Birth control (% past use) | 69.2% | 77.9% | 67.1% | χ2 = 6.87 | .009 |
| Cardio-metabolic factors: | |||||
| Cardio-metabolic composite | 0.0 (0.6) | 0.10 (0.6) | −0.02 (0.6) | t = −2.26 | .024 |
| HDL | 59.6 (15.8) | 57.1 (14.7) | 60.2 (15.9) | t = 2.19 | .029 |
| Triglycerides | 90.7 (60.5) | 93.1 (62.8) | 90.2 (59.9) | t = −0.54 | .588 |
| Waist Circumference | 84.9 (15.5) | 86.7 (16.9) | 84.5 (15.1) | t = −1.61 | .107 |
| Glucose | 87.3 (9.7) | 87.8 (9.1) | 87.2 (9.9) | t = −0.62 | .535 |
| Hypertension (% w dx) | 8.1% | 12.3% | 7.1% | χ2 = 4.64 | .031 |
| Reproductive Aging: | |||||
| AMH (ng/mL) | 3.1 (2.8) | 2.7 (2.6) | 3.2 (2.8) | t = 1.91 | .056 |
| (n = 553) | (n = 107) | (n = 446) | |||
| Depression: | |||||
| CESD score | 11.3 (8.3) | 13.7 (9.8) | 10.7 (7.8) | t = −3.39 | .001 |
| CESD 16+, (1=yes, 0=no) | 27.1% | 37.4% | 24.7% | χ2 = 7.06 | .008 |
| Lifetime depression dx, (1=yes, 0=no) | 8.7% | 18.5% | 6.5% | χ2 = 15.78 | <.001 |
| Lifetime antidepressant use, (1=yes, 0=no) | 8.5% | 18.5% | 6.5% | χ2 = 15.78 | <.001 |
| Lifetime depression composite | 12.5% | 24.1% | 10.0% | χ2 = 15.46 | <.001 |
g
Education was coded 1=<HS/some HS; 2=HS grad/GED; 3=some college/AA/vocational school; 4=college graduate; 5=graduate school (PhD, MS); 6=professional degree (MD, JD, DDS, MBA).