Skip to main content

Table 3 Percentage of participants reporting increased bloating frequency during each study week by food item consumed for cross-over trials.

From: Perceptions of flatulence from bean consumption among adults in 3 feeding studies

  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)
X 2 p value 0.009 0.043 0.204 0.403 0.747
  1. *Seven people participated in both cross-over trials and thus completed only one control phase.