Table 1.
Characteristics of 115,451 people less than 65 years of age in 2020 who reported job titles at UK Biobank assessment centers in England
| Characteristic | N (%)/Median (IQR) |
|---|---|
| Approximate Age by March 2020 in years, Median (IQR) | 58 (55,62) |
| Male Sex, N (%) | 55,223 (47.83) |
| Race, N (%)a | |
| White | 105,373 (91.27) |
| Black | 3194(2.77) |
| Asian | 3800(3.29) |
| Mixed | 1203 (1.04) |
| Unknown | 1881 (1.63) |
| Townsend deprivation index, Median (IQR)a | −1.9(−3.5,0.8) |
| Highest Level of Education, N(%) | |
| College/University | 44,535 (38.57) |
| Other professional qualifications (e.g. nursing, teaching) | 13,670 (11.84) |
| NVQ, HND, HNC, or equivalent | 19,620 (16.99) |
| A levels/AS levels or equivalent | 7848 (6.80) |
| O levels/GCSEs/CSEs or equivalent | 22,464 (19.46) |
| None of the above | 5648 (4.89) |
| Unknown | 1666 (1.44) |
| Number in household, N(%)a | |
| 1 | 16,534 (14.32) |
| 2 | 28,560 (24.74) |
| 3 | 23,746 (20.57) |
| 4 | 33,231 (28.78) |
| 5+ | 12,773 (11.06) |
| Unknown | 604 (0.52) |
| Average total household income before tax, N(%)a | |
| < 18,000 | 9766 (8.46) |
| 18,000 to 30,999 | 19,895 (17.23) |
| 31,000 to 51,999 | 33,493 (29.01) |
| 52,000 to 100,000 | 33,052 (28.63) |
| > 100,000 | 8638 (7.48) |
| Unknown | 10,607 (9.19) |
| Major Occupational Groups, N(%)b | |
| Managers and Senior Officials | 23,697 (20.53) |
| Professional Occupations | 24,908 (21.57) |
| Associate Professional and Technical Occupations | 17,860 (15.47) |
| Administrative and Secretarial Occupations | 17,997 (15.59) |
| Skilled Trades Occupations | 8811 (7.63) |
| Personal Service Occupations | 7254 (6.28) |
| Sales and Customer Service Occupations | 3919 (3.39) |
| Process, Plant and Machine Operatives | 5069 (4.39) |
| Elementary Occupations | 5936 (5.14) |
aRace unknown for 1881 people. Townsend Deprivation Index missing for 187 people. Number in household missing for 604 people. Average total household income before tax missing for 10,607 people
bMajor group classifications based on UK Standard Occupational Classification 2000
IQR Interquartile range