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Table 1 Baseline characteristics of 178,148 UK biobank participants across levels of DI-GM

From: Dietary index for gut microbiota and risk of gastrointestinal cancer: a prospective gene-diet study

Characteristics

DI-GM

Total

(N = 178,148)

Low

(N = 67,109)

Moderate

(N = 68,711)

High

(N = 42,328)

Age, year

55.03 ± 8.00

56.24 ± 7.86

57.03 ± 7.68

55.97 ± 7.91

BMI, kg/m2

27.59 ± 4.82

26.90 ± 4.51

25.93 ± 4.23

26.93 ± 4.61

Total energy intake, kJ/d

8,608.17 ± 2,406.20

8,636.34 ± 2,458.56

8,759.94 ± 2,212.25

8,655.09 ± 2,383.01

Townsend deprivation index

-1.58 ± 2.86

-1.75 ± 2.78

-1.73 ± 2.78

-1.68 ± 2.81

Sex

    

 Female

33,896 (50.51)

37,341 (54.35)

24,995 (59.05)

96,232 (54.02)

 male

33,213 (49.49)

31,370 (45.65)

17,333 (40.95)

81,916 (45.98)

Annual household Income, Pound

    

 < 31,000

23,297 (34.72)

24,003 (34.93)

15,173 (35.85)

62,473 (35.01)

 ≥ 31,000

37,160 (55.37)

37,808 (55.02)

23,063 (54.49)

98,031 (55.03)

 Unknown/missing

6,652 (9.91)

6,900 (10.05)

4,092 (9.66)

17,644 (9.96)

Education level

    

 No above

6,538 (9.74)

5,857 (8.52)

2,687 (6.35)

15,082 (8.47)

 Medium

35,609 (53.06)

33,044 (48.09)

18,211 (43.02)

86,864 (48.76)

 High

24,665 (36.75)

29,556 (43.01)

21,296 (50.31)

75,517 (42.39)

 Unknown/missing

297 (0.45)

254 (0.47)

134 (0.32)

685 (0.38)

Smoking status

    

 Never

36,740 (54.75)

38,850 (56.54)

24,762 (58.50)

100,352 (56.33)

 Previous

23,390 (34.85)

24,848 (36.16)

15,335 (36.23)

63,573 (35.65)

 Current

6,837 (10.19)

4,855 (7.07)

2,160 (5.10)

13,852 (7.78)

 Unknown/missing

142 (0.21)

158 (0.23)

71 (0.17)

371 (0.24)

Alcohol consumption

    

 Never

1,767 (2.63)

1,709 (2.49)

1,083 (2.56)

4,559 (2.56)

 Previous

1,874 (2.79)

1,935 (2.82)

1,358 (3.21)

5,167 (2.90)

 Current

63,433 (95.52)

65,046 (94.67)

39,873 (94.20)

168,352 (94.50)

 Unknown/missing

35 (0.06)

21 (0.02)

14 (0.03)

70 (0.04)

Family history of cancer

    

 No

43,233 (64.42)

44,183 (64.30)

27,005 (63.80)

114,421 (64.23)

 Yes

23,438 (34.93)

24,228 (35.26)

15,144 (35.78)

62,810 (35.26)

 Unknown/missing

438 (0.65)

300 (0.44)

179 (0.42)

917 (0.51)

Physical activity level

    

 Low

11,848 (17.65)

9,830 (14.31)

4,677 (11.05)

26,355 (14.80)

 Medium

40,774 (60.76)

42,446 (61.77)

26,115 (61.70)

109,335 (61.37)

 High

14,487 (21.59)

16,435 (23.92)

11,536 (27.25)

42,458 (23.83)

  1. Data are presented as mean ± (standard deviation) for continuous variables and n (%) for categorical variables
  2. Low: DI-GM ≤ 4; moderate: 5 ≤ DI-GM ≤ 6; high: DI-GM ≥ 7
  3. Abbreviations: BMI, body mass index; DI-GM, dietary index for gut microbiota
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Nutrition Journal

ISSN: 1475-2891

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