| | Model 1 | Model 2 | Model 3 |
|---|
OR (95%CI) | P for trend | OR (95%CI) | P for trend | OR (95%CI) | P for trend |
|---|
Number of pregnancies | | < 0.001 | | 0.032 | | 0.145 |
≤ 2 | 1.00 | | 1.00 | | 1.00 | |
3 | 1.01 (0.91, 1.09) | | 1.01 (0.89, 1.09) | | 1.01 (0.86, 1.08) | |
4 | 1.12 (1.02, 1.24)* | | 1.08 (0.97, 1.21) | | 1.04 (0.92, 1.17) | |
≥ 5 | 1.22 (1.12, 1.34)*** | | 1.10 (0.99, 1.22) | | 1.08 (0.96, 1.22) | |
Number of live births | | < 0.001 | | 0.002 | | 0.021 |
≤ 2 | 1.00 | | 1.00 | | 1.00 | |
3 | 1.08 (0.99, 1.17) | | 1.05 (0.95, 1.15) | | 1.04 (0.94, 1.15) | |
4 | 1.21 (1.10, 1.34)*** | | 1.09 (0.97, 1.22) | | 1.05 (0.93, 1.19) | |
≥ 5 | 1.40 (1.26, 1.56)*** | | 1.21 (1.07, 1.37)** | | 1.18 (1.04, 1.35)** | |
- Model 1: age and race/ethnicity
- Model 2: model 1 variables plus education level, marriage status, family PIR, hypertension, smoking, and alcohol use
- Model 3 was adjusted for model 2 variables plus coronary heart disease, congestive heart-failure, heart attack, angina and stroke, age at menopause, body mass index, waist circumference, systolic blood pressure, diastolic blood pressure, mean energy intake, hemoglobin, fast glucose, glycosylated hemoglobin, menopausal status, age at menarche, oral contraceptives, use of female hormones, previous hysterectomy, bilateral ovariectomy, blood urea nitrogen, uric acid, serum creatinine, estimated glomerular filtration rate, total cholesterol, triglyceride, high-density lipoprotein-cholesterol, number of live births and pregnancies, pregnancy loss and fertile lifespan
- Abbreviations: MetS Metabolic syndrome, OR Odds ratio, CI Confidence interval
- *P < 0.05, **P < 0.01, ***P < 0.001
