Table 1.
Participant characteristics and nutrient intakes of women in the Women’s Health Initiative Nutrition and Physical Activity Assessment Feeding Study (n=153)
| Variable (category) | N | % |
|---|---|---|
| Age (year) | ||
| 60–69 | 10 | 7.0 |
| 70–79 | 127 | 83.0 |
| 80–85 | 16 | 10.0 |
| Race/Ethnicity | ||
| Caucasian | 146 | 95.4 |
| Non-Caucasian | 7 | 4.6 |
| BMI (kg/m2) | ||
| Normal (<25.0) | 61 | 39.9 |
| Overweight (25–30) | 60 | 39.2 |
| Obese (≥30) | 32 | 20.9 |
| Use of Any Dietary Supplement | 130 | 85.0 |
| Current smoking | 3 | 2.0 |
| Season of study participation | ||
| Spring | 38 | 24.8 |
| Summer | 51 | 33.3 |
| Fall | 31 | 20.3 |
| Winter | 33 | 21.6 |
| Years of education | ||
| High school/General Educational Development diploma | 10 | 6.5 |
| Schooling after high school | 60 | 39.2 |
| College degree or higher | 82 | 53.6 |
| Missing | 1 | 0.7 |
| Recreational physical activity (MET/week) | ||
| 0–5.5 | 39 | 25.5 |
| 5.6–12.25 | 38 | 24.8 |
| 12.3–24.0 | 39 | 25.5 |
| >24 | 37 | 24.2 |
| Nutrient intake* | Geometric Mean | 95% Range |
| Energy (kcal/d) | 1904 | 1417, 2552 |
| Protein (g/d) | 78 | 50, 113 |
| Carbohydrate (g/d) | 212 | 130, 331 |
| Fat (g/d) | 80 | 51, 130 |
| Protein (%E) | 16.3 | 11.6, 22.1 |
| Carbohydrate (%E) | 44.6 | 28.4, 56.3 |
| Fat (%E) | 37.6 | 26.9, 49.9 |
| Total Dietary Fiber (g/d) | 24.5 | 14.6, 39.8 |
| Total dietary folate equivalents (μg/d) | 948.5 | 317.4, 3335.4 |
| Vitamin B-12 (μg/d) | 25.4 | 2.2, 1860.8 |
| Vitamin C(mg/d) | 238.2 | 49.8, 1436.2 |
*
Based on diet as consumed during the feeding study.