- 60+ aged, Washington State, USA, 1975
- N = 870
- Non Response:
- 26% (in second stage)
- Authors's label
- Sibling interaction
- Our Classification
- Single direct question on frequency of interaction and visiting with the sibling one sees most frequently, rated on a 5-point scale ranging from "once a month or less" to " once a day or more".
1 No sibling
2 Sibling, low interaction
3 Sibling, high interaction
Observed Relation with Happiness
Pattern not different when Ss without siblings are left out.
Not affected by marital status, parental status, affective quality of the sibling relationship and health.