Table 2.
Descriptive Characteristics, by Quintiles of Index Scores for the Healthy Eating Index-2015, of Participants (n = 59,388) in the Women’s Health Initiative Observational Study, 1993–February 2017
| Descriptive Characteristic | Q1 (n = 11,871), % | Q2 (n = 11,880), % | Q3 (n = 11,888), % | Q4 (n = 11,882), % | Q5 (n = 11,867), % |
|---|---|---|---|---|---|
| Race/ethnicity | |||||
| Non-Hispanic White | 80 | 83 | 86 | 87 | 89 |
| Black | 10 | 7 | 6 | 5 | 5 |
| Hispanic | 5 | 5 | 4 | 3 | 2 |
| Other | 5 | 5 | 4 | 5 | 4 |
| Graduated college or higher level of education | 31 | 41 | 46 | 50 | 54 |
| Married or living as married | 60 | 64 | 66 | 66 | 66 |
| Never smokers | 48 | 52 | 51 | 53 | 53 |
| Postmenopausal hormone therapy | |||||
| Never | 44 | 39 | 37 | 36 | 35 |
| Former | 13 | 13 | 12 | 13 | 14 |
| Current | 42 | 48 | 51 | 51 | 51 |
| Family income level | |||||
| <$10,000 | 5 | 3 | 3 | 2 | 2 |
| $10,000–19,999 | 13 | 10 | 9 | 8 | 8 |
| $20,000–34,999 | 23 | 22 | 20 | 19 | 19 |
| $35,000–49,999 | 19 | 19 | 19 | 19 | 19 |
| $50,000–74,999 | 17 | 19 | 21 | 21 | 21 |
| $75,000–99,999 | 7 | 9 | 10 | 11 | 11 |
| $100,000–$149,999 | 5 | 6 | 8 | 8 | 9 |
| ≥$150,000 | 3 | 4 | 4 | 5 | 5 |
| Unknown | 7 | 7 | 7 | 7 | 7 |
| Known hypertension | 31 | 29 | 29 | 26 | 26 |
Abbreviation: Q, quintile.