Table 1 Baseline characteristics of women and men in UK Biobank
From: Is occupational physical activity associated with mortality in UK Biobank?
No paid employment | In paid employment | All | ||||
|---|---|---|---|---|---|---|
Women | Men | Women | Men | Women | Men | |
n (%) | 109,591 (58) | 78,869 (42) | 138,062 (52) | 126,362 (48) | 247,653 (55) | 205,231 (45) |
Working hours per week, median (IQR) | 0 (0;0) | 0 (0;0) | 35 (22;40) | 40 (37;45) | 15 (0;36) | 15 (0;36) |
Age in years at baseline, mean (SD) | 61 (6) | 62 (6) | 52 (7) | 53 (7) | 56 (8) | 57 (8) |
White ethnicity, % | 96 | 96 | 95 | 95 | 95 | 95 |
Highest educational level | ||||||
No qualification, % | 26 | 26 | 8 | 10 | 16 | 16 |
Any other qualification, % | 50 | 45 | 53 | 51 | 52 | 49 |
Degree or above, % | 24 | 29 | 38 | 39 | 32 | 35 |
Townsend index (higher for more deprived), median (IQR) | −2.4 (−3.8;0.1) | −2.3 (−3.7;0.5) | − 2.1 (−3.6;0.4) | −2.2 (−3.7;0.3) | −2.2 (−3.7;0.3) | −2.2 (−3.7;0.4) |
Household income before tax* | ||||||
Prefer not to answer, % | 14 | 9 | 8 | 6 | 10 | 7 |
Do not know, % | 9 | 3 | 3 | 1 | 5 | 2 |
< £18,000, % | 31 | 35 | 11 | 7 | 20 | 18 |
£18,000–£30,999, % | 24 | 27 | 21 | 19 | 22 | 22 |
£31,000–£51,999, % | 13 | 17 | 28 | 30 | 22 | 25 |
£52,000–£100,000, % | 6 | 7 | 24 | 30 | 16 | 21 |
> £100,000, % | 2 | 1 | 6 | 8 | 4 | 6 |
Occupational category | ||||||
Retired, % | 80 | 82 | 35 | 32 | ||
Caring for home/family, % | 11 | 1 | 5 | 1 | ||
Unable to work due to illness, % | 5 | 9 | 2 | 4 | ||
Unemployed, % | 2 | 6 | 1 | 2 | ||
Unpaid work, % | 1 | 1 | 1 | 0 | ||
Student, % | 1 | 0 | 0 | 0 | ||
No manual, no standing/walking, % | 38 | 34 | 21 | 21 | ||
No manual, Some standing/walking, % | 23 | 22 | 13 | 14 | ||
No manual, Mostly standing/walking, % | 12 | 7 | 7 | 4 | ||
Some manual, some standing/walking, % | 6 | 9 | 4 | 5 | ||
Some manual, mostly standing/walking, % | 12 | 12 | 7 | 7 | ||
Mostly manual, mostly standing/walking, % | 9 | 16 | 5 | 10 | ||
Smoking status | ||||||
Never, % | 58 | 42 | 61 | 54 | 60 | 50 |
Previous, % | 34 | 46 | 30 | 34 | 32 | 39 |
Current, % | 8 | 12 | 9 | 12 | 9 | 12 |
Alcohol use status | ||||||
Never, % | 7 | 3 | 4 | 2 | 5 | 2 |
Previous, % | 4 | 4 | 3 | 3 | 3 | 3 |
Current, % | 89 | 93 | 93 | 95 | 91 | 94 |
Fruit/vegetable score, median (IQR) | 2 (1;3) | 1 (1;2) | 2 (1;3) | 1 (0;2) | 2 (1;3) | 1 (1;2) |
Red/processed meat score, median (IQR) | 1 (1;1) | 1 (1;1) | 1 (1;1) | 1 (1;1) | 1 (1;1) | 1 (1;1) |
Adds salt to food, % | 38 | 41 | 38 | 41 | 38 | 41 |
Consumes oily fish, % | 28 | 31 | 35 | 38 | 32 | 35 |
Non-occupational PAEE (kJ/day/kg), mean (SD) | 43 (3) | 42 (3) | 44 (3) | 43 (4) | 44 (3) | 42 (4) |
Parental history of CVD or cancer, % | 76 | 72 | 69 | 66 | 72 | 68 |
Blood pressure or cholesterol medication, % | 33 | 47 | 14 | 23 | 23 | 33 |
Diagnosis of diabetes or insulin prescription, % | 5 | 10 | 2 | 5 | 4 | 7 |
Prevalent CVD or cancer at baseline, % | 18 | 24 | 9 | 10 | 13 | 15 |
Body mass index | ||||||
< 25 kg/m2, % | 36 | 25 | 43 | 26 | 40 | 25 |
25–30 kg/m2, % | 39 | 49 | 35 | 50 | 37 | 50 |
> 30 kg/m2, % | 25 | 26 | 22 | 25 | 23 | 25 |
Resting heart rate in bpm, mean (SD) | 71 (11) | 69 (12) | 70 (10) | 68 (11) | 70 (11) | 68 (12) |