| Variables | |
|---|---|
| NATBORN | WHAT COUNTRY R WERE BORN IN |
| BORNHOME | WHAT KIND OF HOUSE RS FAMILY LIVED AT BIRTH |
| TRAVELUS | TRANSPORTATION R TOOK WHEN TRAVELLING TO US |
| IMMSTATS | RS CURRENT IMMIGRATION STATUS RIGHT NOW |
| RUNDRSTD | DID R APPEAR TO UNDERSTAND 3-BOX ANSWER FORMAT |
| ROBJECT | DID R OBJECT TO OR DELAY ANSWERING CARD C4 |