Question Frequency score (points) for symptom
0 day 1 day 2-3 days 4-7 days
1. How often did you have a burning feeling behind your breastbone (heartburn)? 0 1 2 3
2. How often did you have stomach contents (liquid or food) moving upwards to your throat or mouth (regurgitation)? 0 1 2 3
3. How often did you have pain in the centre of the upper stomach? 3 2 1 0
4. How often did you have nausea? 3 2 1 0
5. How often did you have difficulty getting a good night’s sleep because of your heartburn and/or regurgitation? 0 1 2 3
6. How often did you take additional medication for your heartburn and/or regurgitation, other than what the physician told you to take? 0 1 2 3
Table 1: GerdQ questionnaire.