Table 2.
Baseline Characteristics of the Analytic Cohort of Postmenopausal Women According to Race or Ethnicity (n=14 364)
| White | Black | Hispanic | |
|---|---|---|---|
| n=6741 | n=5102 | n=2521 | |
| Age, y | |||
| 50 to 59 | 15 | 45 | 53 |
| 60 to 69 | 48 | 42 | 39 |
| 70 to 79 | 37 | 13 | 9 |
| BMI category | |||
| Normal weight (18.5 to <25) | 30 | 18 | 27 |
| Overweight (25 to <30) | 37 | 36 | 41 |
| Obese (≥30) | 33 | 46 | 32 |
| Waist circumference | |||
| ≥80 cm | 71 | 77 | 66 |
| ≥88 cm | 48 | 52 | 38 |
| High glucose (≥100 mg/dL) | 27 | 23 | 22 |
| Glucose (mg/dL), mean (SD) | 95 (10) | 93 (11) | 92 (10) |
| High blood pressure (SBP ≥130 and/or DBP ≥85) | 50 | 55 | 38 |
| Hypertension | |||
| Never hypertensive | 70 | 52 | 76 |
| Untreated hypertensive | 8 | 9 | 8 |
| Treated hypertensive | 22 | 38 | 16 |
| High triglycerides (≥150 mg/dL) | 35 | 15 | 40 |
| Low HDL-C (≤50 mg/dL) | 42 | 31 | 43 |
| Insulin resistance* | 47 | 26 | 52 |
| LDL-C† (mg/dL), median (IQR) | 152 (130 to 176) | 143 (119 to 171) | 141 (119 to 165) |
| Lipid-lowering drugs† | 12 | 12 | 12 |
| Smoking | |||
| Never | 51 | 49 | 63 |
| Former | 40 | 39 | 30 |
| Current | 9 | 12 | 6 |
| Total minutes of physical activity, hours/week | |||
| <1 | 30 | 37 | 35 |
| 1 to 2 | 17 | 16 | 16 |
| 2 to 3.5 | 19 | 18 | 18 |
| ≥3.5 | 34 | 28 | 31 |
| Hormone use | |||
| Never | 66 | 57 | 47 |
| Past | 26 | 15 | 14 |
| Current | 8 | 28 | 38 |
| HRT arm and hysterectomy status | |||
| Not randomized to HRT plus no hysterectomy | 0 | 36 | 41 |
| Not randomized to HRT plus hysterectomy | 0 | 42 | 32 |
| E-alone intervention | 18 | 6 | 5 |
| E-alone control | 18 | 7 | 6 |
| E+P intervention | 33 | 5 | 9 |
| E+P control | 31 | 5 | 8 |
| US region | |||
| Northeast | 25 | 17 | 12 |
| South | 20 | 49 | 42 |
| Midwest | 28 | 23 | 4 |
| West | 27 | 11 | 42 |
| Education† | |||
| Did not go to school | 0 | 0 | 0 |
| Grade school (1 to 4 years) | 0 | 0 | 4 |
| Grade school (5 to 8 years) | 1 | 1 | 7 |
| Some high school (9 to 11 years) | 4 | 6 | 8 |
| High school diploma or GED | 22 | 13 | 17 |
| Vocational or training school | 12 | 12 | 12 |
| Some college or associate degree | 29 | 26 | 25 |
| College degree or bachelor degree | 9 | 9 | 7 |
| Some postgraduate or professional | 0 | 9 | 6 |
| Master degree | 11 | 19 | 9 |
| Doctoral degree | 2 | 2 | 2 |
| Number of term pregnancies† | |||
| Never pregnant | 7 | 7 | 9 |
| Never had term pregnancy | 2 | 6 | 3 |
| 1 | 7 | 16 | 9 |
| 2 | 20 | 25 | 22 |
| 3 | 25 | 18 | 21 |
| 4 | 18 | 12 | 16 |
| ≥5 | 20 | 15 | 19 |
Data are shown as percentages, except as noted. BMI indicates body mass index; DBP, diastolic blood pressure; E+P, estrogen plus progestin; E-alone, estrogen alone; HDL-C, high-density lipoprotein cholesterol; HRT, hormone replacement therapy; IQR, interquartile range; LDL-C, low-density lipoprotein cholesterol; SBP, systolic blood pressure.
*
Triglycerides/HDL-C >2.47 (75th percentile among healthy-weight women.
†
Variables with missing data: LDL-C (n=118), lipid-lowering drugs (n=5), education (n=122), and number of term pregnancies (n=92).