| Age | Age at accelerometer assessment (years), continuous. | 21003, 53, 90010 |
| Sex | Female or male. | 31 |
| Ethnicity | White or non-White. | 21000 |
| Education | College/university degree or above versus other qualifications. | 6138 |
| Townsend deprivation index | Area-level socioeconomic deprivation score; higher values indicate greater deprivation. | 189 |
| Smoking status | Never, former, or current smoker. | 20116 |
| Alcohol intake frequency | Daily/almost daily, 3-4 times/week, 1-2 times/week, 1-3 times/month, special occasions only, or never. | 1558 |
| Body mass index | Weight divided by height squared (kg/m2), continuous. | 21001 |
