Table 1 Participant characteristics of the 1,507 TNH study participants according to tertiles of the portfolio diet score

n

528

537

442

Median PDS

13

18

23

Age, y

22.4 (2.4)

22.6 (2.5)

23.2 (2.6)^{a, b}

Sex, female, n (%)

339 (64)

369 (69)

324 (73)^a

BMI, kg/m²

23.0 (3.9)

23.1 (3.6)

22.7 (3.2)

Ethnicity, n (%)^c

 Caucasian

221 (42)

253 (47)

257 (58)

 East Asian

197 (37)

187 (35)

123 (28)

 South Asian

67 (13)

55 (10)

38 (9)

 Other

43 (8)

42 (8)

24 (5)

Physical activity, PAL

1.71 (0.38)

1.77 (0.40)^a

1.80 (0.37)^a

Total energy intake, kcal/day

1740 (594)

1975 (632)^a

2242 (634)^{a, b}

Alcohol intake, g/d

5.4 (10.7)

5.6 (9.0)

6.2 (7.8)^a

Family history of CVD, n (%)

4 (1)

9 (2)

11 (3)

Family history of diabetes, n (%)

83 (16)

61 (11)

47 (11)

Education, n (%)^c

 High school

12 (2)

6 (1)

9 (2)

 Some college/university

326 (62)

331 (62)

221 (50)

 College/university

154 (29)

153 (29)

158 (36)

 Graduate

36 (7)

47 (9)

54 (12)

High blood pressure, n (%)

7 (1)

5 (1)

4 (1)

High cholesterol, n (%)

19 (4)

20 (4)

10 (2)