|
IBS N = 510
|
No-IBS N = 1365
|
---|
|
Exposed N = 355
|
Controls N = 155
|
Unadjusted
|
Adjustedb
|
Exposed N = 415
|
Controls N = 950
|
Unadjusted
|
Adjustedb
|
---|
Food categoriesa
|
n
|
%
|
n
|
%
|
OR
|
95% CI
|
OR
|
95 % CI
|
n
|
%
|
n
|
%
|
OR
|
95 % CI
|
OR
|
95 % CI
|
---|
Food Categories
| |
Dairy products
|
96
|
27.0
|
38
|
24.5
|
1.14
|
0.74 to 1.76
|
1.18
|
0.76 to 1.84
|
64
|
15.4
|
90
|
9.5
|
1.74
|
1.24 to 2.46
|
1.78
|
1.26 to 2.53
|
Spicy foods
|
69
|
19.4
|
26
|
16.8
|
1.20
|
0.73 to 1.97
|
1.24
|
0.75 to 2.04
|
48
|
11.6
|
109
|
11.5
|
1.01
|
0.70 to 1.45
|
1.04
|
0.72 to 1.49
|
Fatty foods
|
31
|
8.7
|
8
|
5.2
|
1.76
|
0.79 to 3.92
|
1.79
|
0.80 to 4.02
|
16
|
3.9
|
18
|
1.9
|
2.08
|
1.05 to 4.11
|
2.19
|
1.10 to 4.34
|
Vegetables
|
79
|
22.3
|
24
|
15.5
|
1.56
|
0.95 to 2.58
|
1.69
|
1.02 to 2.81
|
39
|
9.4
|
89
|
9.4
|
1.00
|
0.68 to 1.49
|
1.08
|
0.72 to 1.60
|
Fruit
|
49
|
13.8
|
12
|
7.7
|
1.91
|
0.99 to 3.70
|
2.04
|
1.05 to 3.97
|
25
|
6.0
|
31
|
3.3
|
1.90
|
1.11 to 3.26
|
1.96
|
1.14 to 3.38
|
Cereals
|
91
|
25.6
|
36
|
23.2
|
1.14
|
0.73 to 1.77
|
1.21
|
0.77 to 1.89
|
36
|
8.7
|
63
|
6.6
|
1.34
|
0.87 to 2.05
|
1.41
|
0.91 to 2.16
|
Alcohol
|
43
|
12.1
|
8
|
5.2
|
2.53
|
1.16 to 5.52
|
2.57
|
1.18 to 5.61
|
22
|
5.3
|
34
|
3.6
|
1.51
|
0.87 to 2.61
|
1.55
|
0.89 to 2.69
|
Coffee
|
23
|
6.5
|
12
|
7.7
|
0.83
|
0.40 to 1.70
|
0.84
|
0.40 to 1.73
|
16
|
3.9
|
40
|
4.2
|
0.91
|
0.51 to 1.65
|
0.92
|
0.51 to 1.66
|
Soda
|
9
|
2.5
|
6
|
3.9
|
0.65
|
0.23 to 1.85
|
0.67
|
0.23 to 1.91
|
7
|
1.7
|
17
|
1.8
|
0.94
|
0.39 to 2.29
|
0.96
|
0.39 to 2.34
|
FODMAP Content
c
| |
High FODMAP
|
186
|
52.4
|
74
|
47.7
|
1.21
|
0.83 to 1.76
|
1.27
|
0.87 to 1.87
|
116
|
28.0
|
201
|
21.2
|
1.45
|
1.11 to 1.88
|
1.51
|
1.15 to 1.98
|
Low FODMAP
|
145
|
40.8
|
57
|
36.8
|
1.19
|
0.81 to 1.75
|
1.22
|
0.83 to 1.80
|
83
|
20.0
|
171
|
18.0
|
1.14
|
0.85 to 1.53
|
1.17
|
0.88 to 1.58
|
FODMAP subtype
| |
Oligosaccharides
|
131
|
36.9
|
51
|
32.9
|
1.19
|
0.80 to 1.78
|
1.29
|
0.86 to 1.94
|
58
|
14.0
|
135
|
14.2
|
0.98
|
0.70 to 1.37
|
1.04
|
0.74 to 1.46
|
Lactose
|
93
|
26.2
|
39
|
25.2
|
1.06
|
0.69 to 1.63
|
1.09
|
0.70 to 1.69
|
60
|
14.5
|
88
|
9.3
|
1.66
|
1.17 to 2.35
|
1.69
|
1.19 to 2.41
|
Polyols
|
51
|
14.4
|
13
|
8.4
|
1.83
|
0.97 to 3.48
|
1.91
|
1.01 to 3.65
|
25
|
6.0
|
31
|
3.3
|
1.90
|
1.11 to 3.26
|
1.95
|
1.14 to 3.36
|
Fructose
|
45
|
12.7
|
14
|
9.0
|
1.46
|
0.78 to 2.75
|
1.49
|
0.79 to 2.81
|
24
|
5.8
|
25
|
2.6
|
2.27
|
1.28 to 4.03
|
2.31
|
1.30 to 4.11
|
-
Abbreviations: FODMAP fermentable oligo-, di- and monosaccharides and polyols; IBS irritable bowel syndrome; CI confidence Interval; OR Odds ratio
-
aThe question pertaining to these categories was: “If you react (to food), to what kind is that?”
-
bAdjusted for gender and age
-
cAssumed FODMAP content of the response(s) to the open-ended question about food