Table 1. Summary statistics of the sample from ELSA 2006 and Life history data (N = 5193).
| Variable | Mean/Percentage | SD | Min | Max |
|---|---|---|---|---|
| Gait speed | 0.85 | 0.27 | 0.1 | 2 |
| Episodic memory | 10.49 | 3.45 | 0.0 | 20 |
| Mental health | 6.65 | 1.83 | 0.0 | 8 |
| Sex, Female | 55% | |||
| Age | 67.10 | 9.18 | 53.0 | 99 |
| Wealth bottom tertile | 26% | |||
| Wealth mid tertile | 35% | |||
| Wealth top tertile | 39% | |||
| Age left school | 16.2 | 2.47 | 0 | 29 |
| Routine manual | 36% | |||
| Single | 5% | |||
| Married/cohabiting | 68% | |||
| Separated/divorced | 10% | |||
| Widowed | 18% | |||
| Social support | 99% | |||
| Social connection | 10.21 | 3.71 | 0.0 | 18 |
| Household size | 2.20 | 0.96 | 1.0 | 10 |
| Cardiovascular disease | 13% | |||
| Chronic obstructive pulmonary disease | 15% | |||
| Cancer | 6% | |||
| Smoking | 12% | |||
| Alcohol daily | 34% | |||
| Physical exercise, vigorous | 19% | |||
| Physical exercise, moderate | 64% | |||
| Adult health (illness episodes in adulthood) | 0.60 | 1.01 | 0 | 5 |
| Childhood lack facilities | 2.02 | 1.47 | 0.0 | 5 |
| Childhood num. books | 2.38 | 1.21 | 1.0 | 5 |
| Childhood experience financial hardship | 1% | |||
| Chidlhood overcrowding | 19% |
Source: The English Longitudinal Study of Ageing 2006.