TABLE 1.
Baseline characteristics of participants in SAVE reproductive substudy by parity
| Nulliparous n = 70 | Parity 1 n = 26 | Parity 2 n = 45 | Parity 3+ n=31 | Overall P Value | Nulliparous vs. Parous P Value | |
|---|---|---|---|---|---|---|
| Age (yr) | 34.9 ± 7.1 | 37.5 ± 6.1 | 39.8 ± 4.6 | 40.7 ± 3.8 | <.000 | <.000 |
| Black race | 10 (14.3) | 12 (46.2) | 7 (15.6) | 5 (16.1) | 0.004 | 0.135 |
| College graduate | 58 (82.9) | 14 (53.9) | 28 (66.6) | 18 (58.0) | 0.162 | 0.014 |
| Body mass index (kg/m2) | 32.5 ± 4.5 | 32.3 ± 4.1 | 32.1 ± 3.4 | 31.8 ± 3.1 | 0.889 | 0.550 |
| Alcohol consumption > 1/month | 41 (58.6) | 9 (34.6) | 14 (31.1) | 14 (45.2) | 0.020 | 0.004 |
| Average systolic blood pressure | 112.4 ± 9.8 | 112.6 ± 8.8 | 112.2 ± 9.9 | 112.3 ± 9.9 | 0.999 | 0.959 |
| Current smoking | 9 (12.9) | 3 (11.5) | 3 (6.7) | 0 (0.0) | 0.174 | 0.112 |
| Fasting glucose (mg/dl) | 97.1 ± 8.7 | 97.2 ± 8.1 | 97.2 ± 8.6 | 97.6 ± 7.3 | 0.995 | 0.863 |
| Total cholesterol (mg/dl) | 205.3 ± 38.9 | 207.1 ± 38.5 | 198.6 ± 35.7 | 213.1 ± 42.8 | 0.452 | 0.977 |
| LDL (mg/dl) | 118.1 ± 35.8 | 129.3 ± 36.4 | 120.9 ± 28.1 | 133.8 ± 37.4 | 0.142 | 0.098 |
| Triglycerides (mg/dl) | 138.8 ± 76.8 | 116.4 ± 134.6 | 113.0 ± 60.0 | 128.7 ± 53.3 | 0.353 | 0.110 |
| HDL (mg/dl) | 60.0 ± 15.2 | 55.1 ± 14.9 | 55.1 ± 11.4 | 53.7 ± 11.5 | 0.091 | 0.012 |
| Reproductive History | ||||||
| Irregular menses | 5 (7.1) | 0 (0.0) | 2 (4.4) | 2 (6.5) | 0.552 | 0.351 |
| Post-menopause | 4 (5.7) | 3 (11.5) | 2 (4.4) | 7 (22.6) | 0.030 | 0.180 |
| Any pregnancy complication | - | 8 (30.8) | 14 (31.1) | 13 (41.9) | 0.563 | |
| Ever breastfed | - | 16 (61.5) | 39 (86.7) | 26 (83.9) | 0.032 | |
| Age at first birth (yr) | - | 25.5 ± 5.9 | 26.2 ± 4.7 | 24.7 ± 4.5 | 0.457 | |
| Time since last birth (yr) | - | 11.6 ± 6.9 | 9.0 ± 6.1 | 7.7 ± 3.6 | 0.040 | |
Values shown are means ± SDs or frequency counts (with percentages).
P values from analysis of variance or chi-square test, as appropriate.