Table 1.
Descriptive Statistics for the 2014 Heath Retirement Survey Cohort by Cognition Group, Weighted %.
| Cognition Group Langa-Weir Score Range |
Normal >11 N = 13774 |
Impaired 7-11 N = 3080 |
Dementia < 7 N = 844 |
P-Value |
|---|---|---|---|---|
| Race | ||||
| White | 86.3 | 67.8 | 63.2 | <.01 |
| Black | 7.9 | 22.2 | 23.4 | |
| Other | 5.9 | 10.0 | 13.5 | |
| Ethnicity | ||||
| Hispanic | 7.1 | 15.6 | 22.6 | <.01 |
| Education | ||||
| ≤12 years | 38.8 | 70.5 | 82.3 | <.01 |
| 13-14 years | 21.7 | 15.5 | 9.7 | |
| 15+ years | 39.4 | 14.0 | 8.0 | |
| Gender | ||||
| Male | 45.1 | 46.1 | 42.4 | .30 |
| Female | 54.8 | 53.9 | 57.6 | |
| Marital status | ||||
| Married/Living with a partner | 76.0 | 70.6 | 69.9 | <.01 |
| Living will | ||||
| Yes | 54.1 | 47.0 | 43.3 | <.01 |
| Durable power of attorney | ||||
| Yes | 54.2 | 50.3 | 51.9 | .06 |
| Chronic conditions | ||||
| 0 | 15.6 | 7.9 | 6.7 | <.01 |
| 1-3 | 68.9 | 64.5 | 59.9 | |
| 4+ | 15.5 | 28.2 | 33.4 | |
| Assistance required for activities of daily living | ||||
| None | 88.3 | 72.0 | 65.0 | <.01 |
| 1+ | 11.7 | 28.0 | 35.0 | |
| Living alone | ||||
| Yes | 22.6 | 32.1 | 34.6 | <.01 |
| Rurality | ||||
| Rural | 26.2 | 27.2 | 31.8 | .15 |
| Urban | 73.8 | 72.8 | 68.2 | |
| Langa-Weir score (mean) | 17.2 | 9.5 | 4.4 | |
| Depression score (mean) | 1.2 | 2.0 | 2.5 | |
| Loneliness score (mean) | 1.5 | 1.6 | 1.7 | |
| Neighborhood cohesion score (mean) | 2.3 | 2.9 | 2.9 | |
| Neighborhood social score (mean) | 2.5 | 3.0 | 2.9 |