Table 1 Baseline characteristics of study populationa.

From: Intake of dietary flavonoids and incidence of ischemic heart disease in the Danish Diet, Cancer, and Health cohort

 

Total population n = 54,496

Total flavonoid intake quintiles

Q1 n = 10,900

Q2 n = 10,899

Q3 n = 10,899

Q4 n = 10,899

Q5 n = 10,899

Demographic characteristics

Total flavonoid intake (mg/d)c

496.53 (288–807)

174 (6–252)

322 (252–396)

497 (396–603)

728 (603–912)

1205 (912–3552)

Sex (male)

25,477 (46.8)

6202 (56.9)

5498 (50.4)

5100 (46.8)

4755 (43.6)

3922 (36.0)

Age (years)

56 [52–60]

56 [52–60]

56.00 [52–60]

56.00 [52–60]

56.00 [52–60]

55.00 [52–60]

BMI (kg/m2)

25.5 [23.2–28.2]

26.1 [23.7–28.8]

25.8 [23.6–28.4]

25.5 [23.3–28.2]

25.3 [23.1–27.8]

24.8 [22.7–27.3]

MET score

56.50 [37.0–84.5]

51.0 [32.5–78.0]

55.5 [36.3–84.0]

57.3 [38.4–84.9]

58.3 [38.5–87.0]

60.0 [40.0–88.5]

Smoking status

      

 Never

19,423 (35.6)

2723 (25.0)

3705 (34.0)

3955 (36.3)

4375 (40.1)

4665 (42.8)

 Former

15,515 (28.5)

2590 (23.8)

2912 (26.7)

3117 (28.6)

3470 (31.8)

3426 (31.4)

 Current

19,558 (35.9)

5587 (51.3)

4282 (39.3)

3827 (35.1)

3054 (28.0)

2808 (25.8)

Education

      

 ≤7 years

17,707 (32.5)

4941 (45.3)

4099 (37.6)

3442 (31.6)

2902 (26.6)

2323 (21.3)

 8–10 years

25,228 (46.3)

4780 (43.9)

5155 (47.3)

5237 (48.1)

5177 (47.5)

4879 (44.8)

 ≥11 years

11,536 (21.2)

1174 (10.8)

1642 (15.1)

2216 (20.3)

2814 (25.8)

3690 (33.9)

Mean household incomeb

      

 ≤394,700 DKK/year

13,408 (24.6)

3216 (29.5)

2655 (24.4)

2611 (24.0)

2494 (22.9)

2432 (22.3)

 394,701–570,930 DKK/year

13,539 (24.8)

3158 (29.0)

2905 (26.7)

2624 (24.1)

2509 (23.0)

2343 (21.5)

 570,931–758,297 DKK/year

13,709 (25.2)

2851 (26.2)

2964 (27.2)

2821 (25.9)

2557 (23.5)

2516 (23.1)

 >758,297 DKK/year

13,840 (25.4)

1675 (15.4)

2375 (21.8)

2843 (26.1)

3339 (30.6)

3608 (33.1)

Comorbidities

 Hypertensive

8580 (15.7)

1685 (15.5)

1765 (16.2)

1736 (15.9)

1709 (15.7)

1685 (15.5)

 Hypercholesterolemic

3585 (6.6)

744 (6.8)

720 (6.6)

742 (6.8)

734 (6.7)

645 (5.9)

 Diabetes

1068 (2.0)

258 (2.4)

200 (1.8)

225 (2.1)

186 (1.7)

199 (1.8)

 Peripheral artery disease

404 (0.7)

139 (1.3)

91 (0.8)

66 (0.6)

48 (0.4)

60 (0.6)

 Ischemic stroke

673 (1.2)

178 (1.6)

137 (1.3)

128 (1.2)

112 (1.0)

118 (1.1)

 Atrial fibrillation

226 (0.4)

43 (0.4)

44 (0.4)

50 (0.5)

39 (0.4)

50 (0.5)

 COPD

778 (1.4)

199 (1.8)

168 (1.5)

142 (1.3)

144 (1.3)

125 (1.1)

 CKD

188 (0.3)

35 (0.3)

31 (0.3)

42 (0.4)

40 (0.4)

40 (0.4)

Medication use

Insulin treated

347 (0.6)

73 (0.7)

61 (0.6)

78 (0.7)

69 (0.6)

66 (0.6)

Antihypertensive medication use

6427 (11.8)

1247 (11.4)

1344 (12.3)

1300 (11.9)

1266 (11.6)

1270 (11.7)

Statin use

702 (1.3)

153 (1.4)

152 (1.4)

145 (1.3)

136 (1.2)

116 (1.1)

HRT

      

 Never

15,785 (29.0)

2592 (23.8)

3009 (27.6)

3228 (29.6)

3241 (29.7)

3715 (34.1)

 Current

8714 (16.0)

1288 (11.8)

1551 (14.2)

1676 (15.4)

1973 (18.1)

2226 (20.4)

 Former

4489 (8.2)

809 (7.4)

837 (7.7)

888 (8.1)

924 (8.5)

1031 (9.5)

NSAID

17,484 (32.3)

3386 (31.3)

3397 (31.4)

3502 (32.3)

3509 (32.3)

3690 (34.1)

Aspirin use

6704 (12.3)

1292 (11.9)

1297 (11.9)

1352 (12.4)

1324 (12.1)

1439 (13.2)

Dietary characteristics

 Energy (kj)

9493 [7853–11,363]

8603 [7030–10,396]

9245 [7702–10,995]

9740 [8127–11,583]

9927 [8319 –11,815]

9919 [8255–11,875]

 Saturated FA (g/d)

31 [24–39]

29 [23–37]

31 [24–39]

32 [25–40]

32 [25–41]

32 [24–41]

 Polyunsaturated FA (g/d)

13 [10–17]

12 [9–16]

13 [10–17]

14 [10–18]

14 [11–18]

14 [10–18]

 Monounsaturated FA (g/d)

27 [21–35]

26 [20–34]

27 [21–35]

28 [22–35]

28 [22–35]

27 [21–34]

 Total fish intake (g/d)

38 [25–55]

33 [22–48]

38 [25–54]

40 [27–57]

41 [28–59]

40 [27–56]

 Red meat intake (g/d)

78 [56–107]

80 [57–108]

81 [59–109]

80 [58–110]

78 [56–107]

72 [52–99]

 Processed meat intake (g/d)

24 [14–40]

28.3 [17–45]

26 [15–42]

25 [14–40]

23 [14–38]

20 [11–34]

 Whole-grain product intake (g/d)

128 [87–175]

116 [72–165]

123 [84–171]

126 [86–173]

135 [97–181]

144 [103–192]

 Processed grain intake (g/d)

46 [29–72]

45 [27–80]

46 [29–73]

47 [30–72]

46 [30–70]

45 [29–68]

 Fruit intake (g/d)

172 [95–281]

88 [44–141]

162 [98–238]

193 [114–301]

224 [140–360]

240 [141–389]

 Apples and pears (g/d)

54 [10–98]

10 [4–54]

54 [10–98]

54 [18–125]

54 [18–125]

54 [18–125]

 Orange (g/d)

14 [3–43]

8 [2–14]

8 [3–43]

14 [8–43]

14 [8–43]

14 [8–43]

 Vegetable intake (g/d)

162 [105–231]

114 [72–170]

150 [100–212]

168 [114–235]

185 [127–254]

196 [135–272]

 Chocolate (g/d)

4 [2–7]

2 [1–4]

4 [2–7]

4 [2–7]

4 [2–7]

4 [2–21]

 Alcohol intake (g/d)

13 [6–31]

11 [3–23]

13 [6–25]

15 [6–33]

14 [7–32]

13 [6–32]

 Wine (ml/d)

54 [10–98]

18 [10–54]

54 [10–98]

54 [10–125]

54 [18–125]

54 [18–125]

 Black tea (ml/d)

86 [3–500]

3 [0–16]

16 [3–86]

86 [7–200]

500 [157–500]

900 [500–1300]

  1. CKD chronic kidney disease, COPD chronic obstructive pulmonary disease, BMI body mass index, DKK Danish Krone, FA fatty acids, HRT hormone replacement therapy, MET metabolic equivalent, NSAID non-steroidal anti-inflammatory.
  2. aData expressed as median [IQR] or n (%), unless otherwise stated.
  3. bThe categories of household income in United States Dollar (USD) equivalents is approximately ≤61,985/year; 61,986–89,661/year; 89,662–119,086/year; >119,087/year.
  4. cMedian; range in parentheses (all such values). Intake quintiles are mutually exclusive.