| AIMS2 | Arthritis Impact Measurement Scale |
| aMED | Adherence to the Mediterranean diet |
| CES-D | Center for Epidemiologic Studies Depression Scale instrument |
| FA | Fatty acid |
| FFQ | food frequency questionnaire |
| MCS | Mental composite scale of SF-12 |
| MD | Mediterranean Diet |
| MetS | metabolic syndrome |
| OA | Osteoarthritis |
| PCS | Physical composite scale of SF-12 |
| ROM | Range of motion |
| sCOMP | Serum cartilage oligomeric matrix protein |
| SF-12 | 12-Item Short-Form Health Outcome Survey |
| WOMAC | Western Ontario and McMaster Universities Arthritis Index |