| Name | Label | Concept | Required | Attribute of | Limit | Predicate Type | Group | |
|---|---|---|---|---|---|---|---|---|
| 1 variable | ||||||||
| DSRR001_COL6_R209A | Annotation of Cumulative Paper Self-Response Rate!!9/22/2020 | Daily Self-Response and Return Rates - National | not required | DSRR001_COL6_R209 | 0 | string | DSRR001 | |