| WHO | World Health Organization |
| WHO-5T | Transformed WHO-5 |
| COVID-19 | Coronavirus disease 2019 |
| COSMO | COVID-19 Snapshot Monitoring |
| ZPID | Leibniz Institute for Psychology Information |
| RKI | Robert Koch Institute |
| BZgA | Federal Centre for Health Education |
| SWB | Subjective well-being |
| SES | Socioeconomic status |
| CI | Confidence interval |
| SD | Standard deviation |
| OR | Odds ratio |
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