| CHT | Centre Hospitalier Territorial Gaston-Bourret de Nouvelle-Calédonie |
| CI | Confidence Interval |
| ENSO | El Niño/Southern Oscillation (ENSO) |
| GAM | Generalized Additive Model |
| GAMM | Generalized Additive Mixed Model |
| HAV | Hepatitis A virus |
| MEI | bi-monthly Multivariate El Niño/Southern Oscillation (ENSO) index |
| OR | Odds Ratio |
| PCA | Principal component analysis |
| PICTS | Pacific Island Countries and Territories |