Characteristics of OTC NSAID users versus non-users
| General population sample | High-risk sample | |||||
|---|---|---|---|---|---|---|
| Non-users (n = 83), n (%) | OTC NSAID Users (n = 35), n (%) | P-valuea | Non-users (n = 231), n (%) | OTC NSAID Users (n = 33), n (%) | P-valuea | |
| Age, years (mean ± SD) | 58 (± 15) | 49 (±15) | 0.004 | 69 (± 10) | 65 (± 12) | 0.022 |
| Female | 48 (58) | 23 (66) | 0.424 | 109 (47) | 19 (58) | 0.264 |
| NSAID prescribed in 6 months prior | 14 (17) | 9 (26) | 0.268 | 24 (10) | 6 (18) | 0.235 |
| PPI prescribed in 6 months prior | 18 (22) | 4 (11) | 0.191 | 110 (48) | 10 (30) | 0.062 |
| GP diagnosis in 6 months prior of: | ||||||
| Musculoskeletal complaint | 33 (40) | 14 (40) | 0.981 | 79 (34) | 19 (58) | 0.009 |
| Headache | 3 (4) | 0 (0) | 0.554 | 4 (2) | 3 (9) | 0.014 |
| Menstrual pain | 0 (0) | 1 (3) | 0.297 | 1 (0) | 0 (0) | 1.000 |
NSAID = non-steroidal anti-inflammatory drug. OTC = over-the-counter. PPI = proton pump inhibitor.
↵a OTC NSAID users versus non-users, χ2test or Fisher’s exact test.