Time 1 response frequencies for the SF-LDQ
| Frequency (%) | Severity (%) | |
|---|---|---|
| Indigestion | ||
| Not at all | 38 (19) | 44 (22) |
| Less than once a month | 14 (7) | 14 (7) |
| Between once a month and once a week | 23 (11.5) | 21 (10.5) |
| Between once a week and once a day | 42 (21) | 44 (22) |
| Once a day and more | 83 (41.5) | 77 (38.5) |
| Heartburn | ||
| Not at all | 65 (32.5) | 74 (37) |
| Less than once a month | 18 (9) | 19 (9.5) |
| Between once a month and once a week | 28 (14) | 25 (12.5) |
| Between once a week and once a day | 37 (18.5) | 34 (17) |
| Once a day or more | 52 (26) | 48 (24) |
| Regurgitation | ||
| Not at all | 80 (40) | 80 (40) |
| Less than once a month | 22 (11) | 25 (12.5) |
| Between once a month and once a week | 25 (12.5) | 27 (13.5) |
| Between once a week and once a day | 38 (19) | 36 (18) |
| Once a day and more | 35 (17.5) | 32 (16) |
| Nausea | ||
| Not at all | 69 (34.5) | 73 (36.5) |
| Less than once a month | 15 (7.5) | 20 (20) |
| Between once a month and once a week | 24 (12) | 24 (12) |
| Between once a week and once a day | 40 (20) | 35 (17.5) |
| Once a day or more | 52 (26) | 48 (24) |
SF-LDQ, Short-Form Leeds Dyspepsia Questionnaire.