| Abbreviation | Definition |
| ASA24 | Automated Self-Administered 24 h Dietary Assessment Tool |
| BCG | Bacillus Calmette–Guérin |
| Be-Well | Bladder cancer Epidemiology and Wellness study |
| BMI | Body mass index |
| CI | Confidence interval |
| CREA | Council for Agricultural Research and Economics |
| ECOG | Eastern Cooperative Oncology Group |
| EFSA | European Food Safety Authority |
| FDR | False discovery rate |
| FOODCONS | Food Consumption Database |
| IL | Interleukin |
| IQR | Interquartile range |
| LTFU | Lost to follow-up |
| MAI | Mediterranean Adequacy Index |
| NMIBC | Non-muscle-invasive bladder cancer |
| OR | Odds ratio |
| RCT | Randomized Controlled Trial |
| SD | Standard deviation |
| TURBT | Transurethral resection of bladder tumor |
| Th1 | T helper type 1 |
| Th2 | T helper type 2 |