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Table 1 Question completion rates and maximum response frequencies

From: Evaluation of the Birmingham IBS symptom questionnaire

Question

Number completed

% completed

Maximum % response at extremes

Pain

377

99.5

6.1

Loose, watery stools

377

99.5

28.7

Diarrhoea

376

99.2

44.4

Hard bowel motions

374

98.7

22.2

Straining

375

98.9

20.0

Constipation

376

99.2

35.6

Pain after eating

378

99.7

20.4

Sleep problem

377

99.5

36.9

Leaked or soiled

375

98.9

73.9

Urgency

377

99.5

21.5

Mucus or slime

370

97.6

56.8

Unfinished bowel movement

375

98.9

7.7

Flatulence

378

99.7

7.9

Back and shoulder pain

370

97.6

46.8