| Name | Label | Concept | Required | Attribute of | Limit | Predicate Type | Group | |
|---|---|---|---|---|---|---|---|---|
| 1 variable | ||||||||
| B28001_006MA | Annotation of Margin of Error!!Total:!!Has one or more types of computing devices:!!Smartphone!!Smartphone with no other type of computing device | Types of Computers in Household | not required | B28001_006E | 0 | string | B28001 | |