| | |
Perceived food intolerancea
|
|---|
|
Group
| |
No
| |
Yesb
| | | | | |
Severity of perceived food intolerance
| |
|---|
| | | |
Unadjusted
|
Adjustedc
|
Light
|
Moderate
|
Severe
|
P
|
|---|
|
N
|
n
|
%
|
n
|
%
|
OR
|
95 % CI
|
OR
|
95 % CI
|
n
|
%
|
n
|
%
|
n
|
%
| |
|---|
|
Exposure status
| | | | | | | | | | | | | | | | |
|
Exposed
|
764
|
276
|
36.1
|
488
|
63.9
|
1.94
|
1.61 to 2.35
|
2.00
|
1.65 to 2.42
|
238
|
31.2
|
168
|
22.0
|
82
|
10.7
|
<0.001
|
|
Control
|
1100
|
576
|
52.4
|
524
|
47.6
|
368
|
33.5
|
116
|
10.5
|
40
|
3.6
|
|
IBS status
| | | | | | | | | | | | | | | | |
|
IBS
|
501
|
98
|
19.6
|
403
|
80.4
|
5.16
|
4.04 to 6.60
|
5.03
|
3.93 to 6.45
|
147
|
29.3
|
167
|
33.3
|
89
|
17.8
|
<0.001
|
|
No-IBS
|
1344
|
748
|
55.7
|
596
|
44.3
|
451
|
33.6
|
113
|
8.4
|
32
|
2.4
|
|
Within IBS
| | | | | | | | | | | | | | | | |
|
Exposed
|
348
|
65
|
18.7
|
283
|
81.3
|
1.20d
|
0.75 to 1.92
|
1.25
|
0.78 to 2.01
|
105
|
30.2
|
111
|
31.9
|
67
|
19.3
|
0.418
|
|
Control
|
153
|
33
|
21.6
|
120
|
78.4
|
42
|
27.5
|
56
|
36.6
|
22
|
14.4
|
|
Within No-IBS
| | | | | | | | | | | | | | | | |
|
Exposed
|
406
|
207
|
51.0
|
199
|
49.0
|
1.31d
|
1.04 to 1.66
|
1.36
|
1.07 to 1.72
|
130
|
32.0
|
55
|
13.5
|
14
|
3.4
|
<0.001
|
|
Control
|
938
|
541
|
57.7
|
397
|
42.3
|
321
|
34.2
|
58
|
6.2
|
18
|
1.9
|
-
Abbreviations: IBS irritable bowel syndrome, P p-value from Pearson’s chi square test (exact), CI confidence interval, OR odds ratio
-
aThe question pertaining to these categories was: “Do certain types of food give you abdominal symptoms?” with four alternatives: none, light, moderate, severe
-
bFour level response variable dichotomized to no (none) vs. yes (light, moderate or severe)
-
cAdjusted for gender and age
-
dThe Breslis reasonably high, howeverow-Day test was non-significant
