Table 1 UK Biobank demographic information.
Percent | Mean | SD | Range | |
|---|---|---|---|---|
Age | 55 | 7.5 | 40–70 | |
Sex | ||||
Female | 52.4 | |||
Male | 47.6 | |||
Ethnic background | ||||
British | 27.7 | |||
Irish | 22.6 | |||
Any other white background | 2.3 | |||
Others | 3.3 | |||
Household income (£) | ||||
31,000–51,999 | 27.7 | |||
52,000–100,000 | 22.6 | |||
18,000–309,999 | 21.7 | |||
<18,000 | 12.4 | |||
>100,000 | 5.4 | |||
Age completed (school) education | 17 | 2.3 | 5–35 | |
Body Mass Index (BMI) | 26.7 | 4.3 | 16.1–63.6 | |
Fluid intelligence score | 6.65 | 2.04 | 1.0–13.0 |