Table 3

Percentage of participants reporting increased bloating frequency during each study week by food item consumed for cross-over trials.

Bloating Increase

Cross-over Trials


BEP Study

BB Study

Week #

All Reports

(n = 102)

Pinto beans

(n = 17)

Black eyed peas (n = 17)

Vegetarian

Baked beans

(n = 29)

Control (carrots) (n = 39*)


1

13% (13)

29% (5)

6% (1)

14% (4)

8% (3)

2

13% (13)

6% (1)

24% (4)

21% (6)

5% (2)

3

7% (7)

12% (2)

12% (2)

7% (2)

3% (1)

4

4% (4)

6% (1)

0

7% (2)

3% (1)

5

5% (5)

6% (1)

6% (1)

10% (3)

0

6

6% (6)

6% (1)

6% (1)

10% (3)

3% (1)

7

3% (3)

0

0

7% (2)

3% (1)

8

2% (2)

0

6% (1)

0

3% (1)

X2 p value

0.009

0.043

0.204

0.403

0.747


*Seven people participated in both cross-over trials and thus completed only one control phase.

Winham and Hutchins Nutrition Journal 2011 10:128   doi:10.1186/1475-2891-10-128

Open Data