TABLE 2.
Changes in the a priori diet score during the CARDIA study, 1985–1986 to 2005–2006 (n = 2652)1
| n | Year 0 | Year 7 | Year 20 | P-trend | Adjusted change2 | |
| A priori diet score | 2652 | 64.1 ± 13.03 | 67.5 ± 12.1 | 71.1 ± 12.6 | <0.0001 | 6.8 (6.4–7.3) |
| Sex, race | ||||||
| Female, white | 797 | 71.6 ± 12.6 | 73.7 ± 10.9 | 77.6 ± 11.7 | <0.0001 | 5.9 (5.2–6.7) |
| Male, white | 717 | 66.6 ± 11.8 | 69.4 ± 11.2 | 72.6 ± 11.8 | <0.0001 | 5.8 (4.9–6.6) |
| Female, black | 713 | 57.9 ± 10.4 | 62.7 ± 10.7 | 66.7 ± 11.1 | <0.0001 | 8.6 (7.8–9.5) |
| Male, black | 425 | 56.2 ± 10.2 | 60.4 ± 10.8 | 63.8 ± 11.3 | <0.0001 | 7.3 (6.2–8.4) |
| Education4 | ||||||
| High school | 369 | 57.3 ± 11.0 | 60.6 ± 11.8 | 64.4 ± 12.3 | <0.0001 | 6.9 (5.7–8.0) |
| Some college | 787 | 59.9 ± 11.7 | 64.1 ± 11.3 | 67.6 ± 11.4 | <0.0001 | 7.5 (6.7–8.3) |
| College | 662 | 66.1 ± 13.0 | 69.4 ± 11.3 | 72.9 ± 12.5 | <0.0001 | 6.7 (5.8–7.6) |
| Postcollege | 834 | 69.4 ± 12.4 | 72.2 ± 11.2 | 76.0 ± 11.5 | <0.0001 | 6.5 (5.7–7.2) |
1
P-trend values and adjusted mean changes were based on repeated-measures regression models adjusted for sex, race, center, age, and total energy (kcal/d). CARDIA, Coronary Artery Risk Development in Young Adults.
2
Values are means; 95% CI in parentheses.
3
Mean ± SD (all such values).
4
Maximum attained during follow-up.