| IPAQ | International Physical Activity Questionnaire |
| HEPA | Health-enhancing physical activity |
| BMI | Body mass index |
| NA | Not assessed |
| PSQI | Pittsburgh Sleep Quality Index |
| PREDIMED | Prevención con Dieta Mediterránea |
| MEQ | Morningness–Eveningness Questionnaire |
| % | Percentage |
| ANOVA | Analysis of variance |
| η2 | Eta squared |
| CI | Confidence interval |
| p | p-value |
| SE | Standard error |
| χ2 | Chi-square |
| r | Pearson’s correlation coefficient |