Table 1.
Descriptive Statistics for All Study Variables
| Variable | Mean (SD) or % (n) |
|---|---|
| Participant characteristics | |
| Age (years) | 69.27 (7.33) |
| Sex (female) | 60% (1509) |
| Race (African American) | 12.5% (314) |
| Race (Other) | 4.0% (100) |
| Race (white) | 83.5% (2102) |
| Hispanic (yes) | 7.9% (199) |
| Education (years) | 12.97 (2.90) |
| Informant characteristics | |
| Age (years) | 65.36 (12.85) |
| Sex (female) | 67.2% (1609) |
| Education (years) | 13.63 (2.54) |
| Relationship characteristics | |
| Spouse (year) | 45.4 (1087) |
| Years known | 30.29 (21.51) |
| Conscientiousness Facets | |
| Self-control | 4.72 (.92) |
| Order | 4.33 (.94) |
| Industriousness | 4.74 (.96) |
| Traditionalism | 4.36 (.90) |
| Virtue | 5.04 (.92) |
| Responsibility | 5.27 (.77) |
| Total cognition | −.036 (.71)a |
| Informant-rated cognitive decline | −.13 (.74)a |
| Informant-rated affect | |
| Positive affect | 3.88 (.78) |
| Negative affect | 1.43 (.69) |
| Informant-rated activities | |
| Passive | 2.48 (.86) |
| Cognitive | 2.04 (1.10) |
| Outside | 3.34 (1.15) |
Note. Ns range from 2,302 to 2,516 due to missing data.
a
Score is a composite of multiple tasks that were standardized before aggregating.