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Demographic characteristics of the subsamples
| Development sample | Validation sample | t or χ2, p | |
|---|---|---|---|
| Age (M, SD) | 69.98, 7.69 | 70.28, 7.82 | −0.71, .479 |
| Education (M, SD) | 16.50, 2.43 | 16.41, 2.48 | 0.60, .547 |
| % female | 64.60% | 63.00% | 0.36, .551 |
| % white | 76.60% | 81.00% | 3.79, .052 |
