| Version | Study | Year | Questionnaire | Dataset |
| 4-item version | BCS70 | 2020 | BCS70 Age 50 COVID-19 Survey - Wave 1 | BCS70 COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 1 Dataset |
| 4-item version | BCS70 | 2020 | BCS70 Age 50 COVID-19 Survey - Wave 2 | BCS70 COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 2 Dataset |
| 4-item version | BCS70 | 2021 | BCS70 Age 50 COVID-19 Survey - Wave 3 | BCS70 COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 3 Dataset |
| 4-item version | MCS | 2020 | MCS Age 20 Cohort Member COVID-19 Survey - Wave 1 | MCS Cohort Member COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 1 Dataset |
| 4-item version | MCS | 2020 | MCS Age 20 Cohort Member COVID-19 Survey - Wave 2 | MCS Cohort Member COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 2 Dataset |
| 4-item version | MCS | 20212020 | MCS Age 20 Cohort Member Parent COVID-19 Survey - Wave 31 | MCS Cohort Member Parent COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 3 1 Dataset |
| 4-item version | MCS | 2020 | MCS Age 20 Parent COVID-19 Survey - Wave 12 | MCS Parent COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 1 2 Dataset |
| 4-item version | MCS | 20202021 | MCS Age 20 Parent Cohort Member COVID-19 Survey - Wave 23 | MCS Parent Cohort Member COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 2 3 Dataset |
| 4-item version | MCS | 2021 | MCS Age 20 Parent COVID-19 Survey - Wave 3 | MCS Parent COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 3 Dataset |
| 4-item version | NCDS | 2020 | NCDS Age 62 COVID-19 Survey - Wave 1 | NCDS COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 1 Dataset |
| 4-item version | NCDS | 2020 | NCDS Age 62 COVID-19 Survey - Wave 2 | NCDS COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 2 Dataset |
| 4-item version | NCDS | 2021 | NCDS Age 62 COVID-19 Survey - Wave 3 | NCDS COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 3 Dataset |
| 4-item version | Next Steps | 2020 | Next Steps Age 30 COVID-19 Survey - Wave 1 | Next Steps COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 1 Dataset |
| 4-item version | Next Steps | 2020 | Next Steps Age 30 COVID-19 Survey (2020) - Wave 2 | Next Steps COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 2 Dataset |
| 4-item version | Next Steps | 2021 | Next Steps Age 30 COVID-19 Survey - Wave 3 | Next Steps COVID-19 Survey in Five National Longitudinal Cohort Studies (2020) Wave 3 Dataset |
| 4-item version | NSHD | 2020 | NSHD 2020 COVID-19 Survey - Wave 1 | - |
| 4-item version | NSHD | 2020 | NSHD COVID-19 Survey - Wave 2 | - |
| 4-item version | NSHD | 2021 | NSHD COVID-19 Survey - Wave 3 | - |
| 4-item version | WCHADS | 2020-2021 | WCHADS Phase 15 Mother COVID-19 Only Questionnaire | - |
| 4-item version | WCHADS | 2020-2021 | WCHADS Phase 15 Mother COVID-19 Retest | - |