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Table 1 Characteristics of the study population consisting of 168 CD and 161 UC participants

From: The association between inflammatory potential of diet and disease activity: results from a cross-sectional study in patients with inflammatory bowel disease

  

Disease activity CD

Disease activity UC

CD

UC

Remission

Mild

Moderate

Remission

Mild

Moderate

Subjects, n (%)

168 (51)

161 (49)

123 (73)

27 (16)

18 (11)

108 (67)

38 (24)

15 (9)

Gender, n (%)

 Female

117 (70)

97 (60)

84 (68)

17 (63)

16 (89)

60 (56)

27 (71)

10 (67)

Age (years)

47 ± 16*

51 ± 15*

48 ± 16

46 ± 17

47 ± 14

50 ± 14

54 ± 16

45 ± 16

Age at diagnosis (years)

32 ± 15*

36 ± 15*

33 ± 16

30 ± 14

33 ± 9

35 ± 14

41 ± 17

32 ± 15

BMI (kg/m2)

24.8 ± 4.7

24.9 ± 3.8

24.8 ± 4.4

24.9 ± 5.1

25.0 ± 6.6

24.7 ± 3.6

25.4 ± 3.9

24.8 ± 4.9

Smoking, n (%)

 Never

123 (73)

124 (77)

97 (79)a

17 (63)a, b

9 (50)b

80 (74)

31 (82)

13 (87)

 Current

16 (10)

7 (4)

8 (7)a

6 (22)b

2 (11)a, b

5 (5)

1 (3)

1 (7)

 Former

29 (17)

30 (19)

18 (15)a

4 (15)a, b

7 (39)b

23 (21)

6 (16)

1 (7)

Education levelc, n (%)

 Low

37 (22)

34 (21)

25 (20)

7 (26)

5 (28)

21 (19)

10 (26)

3 (20)

 Middle

52 (31)

48 (30)

38 (31)

5 (19)

9 (50)

33 (31)

8 (21)

7 (47)

 High

79 (47)

79 (49)

60 (49)

15 (56)

4 (22)

54 (50)

20 (53)

5 (33)

Medication use, n (%)

 Mesalazines

28 (17)**

97 (60)**

21 (17)

4 (15)

3 (17)

65 (60)

21 (55)

11 (73)

 Corticosteroids

22 (13)

24 (15)

13 (11)

6 (22)

3 (17)

9 (8)a

10 (26)b

5 (33)b

 Immunosuppressants

70 (42)**

33 (21)**

52 (42)

11 (41)

7 (39)

20 (19)

9 (24)

4 (27)

 Biologicals

58 (35)**

27 (17)**

36 (29)

12 (44)

10 (56)

11 (10)a

9 (24)a, b

7 (47)b

 Other

24 (14)*

11 (7)*

14 (11)

6 (22)

4 (22)

4 (4)a

4 (11)a, b

3 (20)b

 No medication use

34 (20)

30 (19)

29 (24)

4 (15)

1 (6)

24 (22)

6 (16)

0 (0)

Flare-ups in past year, n (%)

 None

92 (55)*

61 (38)*

80 (65)a

7 (26)b

5 (28)b

50 (46)a

10 (26)a, b

1 (7)b

 1–2 flare-ups

55 (33)*

70 (44)*

35 (29)

14 (52)

6 (33)

45 (42)

20 (53)

5 (33)

 3–4 flare-ups

8 (5)*

19 (12)*

2 (2)a

4 (15)b

2 (11)a, b

8 (7)a

4 (11)a

7 (47)b

 More than 4 flare-ups

13 (7)

11 (7)

6 (5)a

2 (7)a, b

5 (28)b

5 (5)

4 (11)

2 (13)

Supplement use, n (%)

74 (44)

68 (42)

54 (44)

11 (41)

9 (50)

39 (36)

21 (55)

8 (53)

Surgery, n (%)

57 (34)**

13 (8)**

40 (33)

8 (30)

9 (50)

6 (6)

6 (16)

1 (7)

Intolerances/allergies, n (%)

62 (37)

44 (27)

40 (33)

13 (48)

9 (50)

23 (21)a

16 (42)b

5 (33)a, b

  1. Data are presented as mean ± SD for normally distributed data. Categorical data are presented as n (%). * p < 0.05 ** p < 0.001
  2. Abbreviations: CD Crohn’s disease, UC Ulcerative colitis, BMI Body mass indexa, bgroups with the same superscript letters do not differ significantly after post-hoc analyses using the Bonferroni test (p > 0.05)
  3. cEducation level: no education, primary or lower vocational education and lower general secondary education (low); secondary vocational education and higher general secondary education (middle); higher vocational education and university (high)