| Name | Label | Concept | Required | Attribute of | Limit | Predicate Type | Group | |
|---|---|---|---|---|---|---|---|---|
| 1 variable | ||||||||
| DSRR002_COL1_R2A | Annotation of Daily Internet Self-Response Rate!!2/28/2020 | Daily Self-Response and Return Rates - Internet First | not required | DSRR002_COL1_R2 | 0 | string | DSRR002 | |