| Description: | Invitation to complete online sleep questionnaire, date sent |
| Category: | Online follow-up ⏵ Sleep |
| Communication and participation in extension studies |
| Participants | 327,770 | Value Type | Date | Sexed | Both sexes | Debut | Mar 2024 | |||
| Item count | 327,770 | Item Type | Data | Instances | Singular | Version | Mar 2024 | |||
| Stability | Complete | Strata | Primary | Array | No | Cost Tier | 1 |
