Table 1.
Descriptive Statistics, and Age-Specific Cognitive Impairment Prevalence, Happiness Prevalence, and Mortality Incidence: Health and Retirement Study 1998–2014 (Total Person Spells = 53,120)
| Variable | Mean | SD | Min | Max | |||
|---|---|---|---|---|---|---|---|
| Age | 75.90 | 7.73 | 65 | 110 | |||
| Cohort | 28.98 | 8.83 | −8 | 48 | |||
| Male | 0.41 | 0.49 | 0 | 1 | |||
| Black | 0.15 | 0.35 | 0 | 1 | |||
| Hispanic | 0.08 | 0.27 | 0 | 1 | |||
| Other | 0.03 | 0.18 | 0 | 1 | |||
| Education | 11.95 | 3.41 | 0 | 17 | |||
| Variable | N | 65–69 | 70–74 | 75–79 | 80–84 | 85–89 | 90 years plus |
| Impaired | 16,963 (31.93%) | 2604 (17.94%) | 3064 (23.45%) | 3268 (31.75%) | 3144 (42.78%) | 2786 (56.49%) | 2097 (70.77%) |
| Happy | 46,816 (88.13%) | 12,810 (88.23%) | 11,596 (88.76%) | 9107 (88.49%) | 6469 (88.01%) | 4288 (86.94%) | 2546 (85.93%) |
| Mortality | 5560 (46.47%) | 651 (9.21%) | 779 (11.04%) | 876 (14.22%) | 1063 (23.25%) | 1107 (36.30%) | 1084 (63.17%) |