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. 2021 Apr 1;11(4):e045362. doi: 10.1136/bmjopen-2020-045362

Table 2.

Baseline dietary intakes by tertile of diet quality index in the UK Biobank (n=77 004)*

Recommended Food Score (RFS) Healthy diet indicator (HDI) Mediterranean Diet Score (MDS)
T1 T2 T3 T1 T2 T3 T1 T2 T3
Diet quality 4.2 (1.1) 6.8 (0.6) 9.5 (1.3) 2.3 (0.6) 3.7 (0.3) 5.1 (0.7) 4.4 (0.6) 5.5 (0.2) 6.5 (0.5)
Food group intake (g/day)
 Whole fruit 81.6 (76.2) 152.7 (98.5) 231.1 (133.6) 95.3 (78.8) 156.8 (106.9) 225.9 (138.7) 115.4 (98.7) 170.7 (124.0) 198.7 (132.0)
 Vegetables 120.0 (89.6) 201.8 (113.0) 286.1 (149.7) 146.7 (99.0) 204.7 (127.4) 267.5 (157.7) 158.5 (114.3) 220.4 (136.3) 250.6 (150.0)
 Wholegrains 32.8 (38.2) 51.5 (46.3) 65.8 (52.9) 36.2 (38.8) 50.9 (46.2) 65.8 (54.7) 37.3 (39.0) 54.5 (49.1) 64.7 (54.2)
 Lean meats 51.1 (45.4) 66.0 (48.9) 79.9 (54.4) 59.9 (48.0) 66.5 (51.0) 71.6 (53.9) 57.3 (48.1) 71.2 (51.8) 73.4 (52.8)
 Low-fat dairy 18.3 (37.3) 29.4 (43.7) 45.0 (51.9) 22.7 (40.6) 30.9 (44.7) 40.6 (51.2) 31.8 (48.5) 32.7 (46.7) 27.6 (41.0)
 Total EI (kJ/day) 8572 (2224) 8798 (2080) 9204 (2158) 8244 (2032) 9022 (2112) 9474 (2195) 8785 (2234) 8862 (2106) 8946 (2121)
Nutrient intake (% energy)
 Total fat 34.5 (6.1) 33.1 (5.7) 31.8 (5.7) 34.4 (5.9) 33.2 (5.7) 31.4 (5.8) 34.2 (5.8) 32.9 (5.7) 31.7 (5.9)
 Saturated fat 13.6 (3.1) 12.7 (2.8) 11.8 (2.8) 13.7 (3.0) 12.7 (2.8) 11.4 (2.7) 13.8 (2.9) 12.7 (2.7=8) 11.4 (2.7)
Polyunsaturated fat 6.18 (2.0) 6.08 (1.9) 6.06 (1.9) 5.87 (2.0) 6.16 (1.9) 6.37 (1.9) 5.91 (1.9) 6.16 (1.9) 6.37 (2.0)
 Carbohydrate 45.8 (7.7) 47.9 (7.1) 50.0 (6.8) 44.8 (7.1) 48.2 (6.7) 51.6 (6.7) 46.7 (7.5) 48.0 (7.3) 49.5 (7.1)
 Total sugars 20.1 (6.1) 22.6 (5.6) 25.6 (5.7) 20.4 (5.8) 22.9 (5.7) 25.5 (6.0) 21.9 (6.3) 22.8 (6.2) 23.9 (6.0)
 Protein 15.4 (3.1) 15.8 (2.9) 16.2 (2.9) 16.4 (3.2) 15.6 (2.9) 15.2 (2.7) 16.0 (3.1) 15.8 (2.9) 15.4 (2.9)

*Unadjusted linear regression analyses were used to examine linear trend across tertiles of diet quality index; p<0.001 for all associations. The total possible scores for the diet quality indices were: RFS between 0 and 21, HDI between 0 and 11 and MDS between 0 and 9.

EI, energy intake.