| Value | Category | 
|---|---|
| 0 | No spouse present | 
| 1 | Rule 1: strong relationship pairing, couple adjacent | 
| 2 | Rule 2: strong relationship pairing, couple not adjacent | 
| 3 | Rule 3: weak relationship pairing, couple adjacent | 
| 4 | Rule 4: weak relationship pairing, couple not adjacent | 
| 5 | Rule 5: weak consensual union pairings | 
| 6 | Rule 6: sample-specific rules (usually child-to-child) | 
| Name | Vocabulary | 
|---|---|
| Constructed Family Interrelationship Variables -- PERSON | IPUMS |