Overall (N=14095)
Age at baseline (years)
Mean (SD)	56.0 (8.04)
Median [Min, Max]	57.0 [40.0, 70.0]
Sex
Female	8288 (58.8%)
Male	5807 (41.2%)
Average total household income before tax (£)
18,000 to 30,999	2316 (16.4%)
31,000 to 51,999	3297 (23.4%)
52,000 to 100,000	3758 (26.7%)
Greater than 100,000	1954 (13.9%)
Less than 18,000	1410 (10.0%)
Missing	1360 (9.6%)
Index of Multiple Deprivation level
high	5199 (36.9%)
low	2673 (19.0%)
medium	6223 (44.2%)
Transport type used (excluding commuting)
Car/motor vehicle	8025 (56.9%)
Cycle	404 (2.9%)
None of the above	26 (0.2%)
Prefer not to answer	4 (0.0%)
Public transport	1631 (11.6%)
Walk	4001 (28.4%)
Missing	4 (0.0%)
Transport type for commuting to workplace
Car/motor vehicle	3675 (26.1%)
Cycle	446 (3.2%)
None of the above	57 (0.4%)
Prefer not to answer	12 (0.1%)
Public transport	2244 (15.9%)
Walk	1840 (13.1%)
Missing	5821 (41.3%)
Distance between residential address and workplace (miles)
Mean (SD)	9.38 (83.7)
Median [Min, Max]	5.00 [-10.0, 6000]
Missing	5821 (41.3%)
IPAQ activity group
high	4998 (35.5%)
low	1854 (13.2%)
moderate	5462 (38.8%)
Missing	1781 (12.6%)
Achieved UK guidelines physical activity recommendation
no	5694 (40.4%)
yes	5623 (39.9%)
Missing	2778 (19.7%)
7-day accelerometer: time spent doing any level physical activity (≥ 40 mg)
Mean (SD)	305 (78.5)
Median [Min, Max]	301 [46.1, 713]
Missing	1109 (7.9%)
7-day accelerometer: time spent doing any light physical activity (≥ 40 mg and <100)
Mean (SD)	107 (43.3)
Median [Min, Max]	104 [1.44, 409]
Missing	1109 (7.9%)
7-day accelerometer: time spent doing moderate activity (≥ 100 mg and <400 mg)
Mean (SD)	107 (43.3)
Median [Min, Max]	104 [1.44, 409]
Missing	1109 (7.9%)
7-day accelerometer: time spent doing moderate or vigorous activity (≥ 100 mg)
Mean (SD)	112 (46.0)
Median [Min, Max]	108 [1.44, 449]
Missing	1109 (7.9%)
7-day accelerometer: good wear time
No	1108 (7.9%)
Yes	12987 (92.1%)
7-day accelerometer: good calibration
No	5 (0.0%)
Yes	14090 (100.0%)