| Name | Label | Concept | Required | Attribute of | Limit | Predicate Type | Group | |
|---|---|---|---|---|---|---|---|---|
| 1 variable | ||||||||
| B21002_016MA | Annotation of Margin of Error!!Total:!!Pre-World War II only | Period of Military Service for Civilian Veterans 18 Years and Over | not required | B21002_016M | 0 | string | B21002 | |