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Table 1 Baseline characteristics for included and remaining UK Biobank sample

From: Impact of replacing sedentary behaviour with other movement behaviours on depression and anxiety symptoms: a prospective cohort study in the UK Biobank

Characteristic Included (n = 60,235) Remaining sample (n = 442,278)
Age, mean (SD) 55.9 (7.7) 56.6 (8.1)
Sex
 Female 33,739 (56%) 239,649 (54%)
 Male 26,496 (44%) 202,629 (46%)
Ethnicity
 White 58,649 (98%) 414,054 (94%)
 Mixed 282 (0.5%) 2676 (0.6%)
 South Asian 409 (0.7%) 9473 (2.2%)
 Black 373 (0.6%) 7688 (1.7%)
 Chinese 108 (0.2%) 1466 (0.3%)
 Other 281 (0.5%) 4277 (1.0%)
Household income
 Less than 18,000 8102 (13%) 89,100 (24%)
 18,000 to 30,999 14,200 (24%) 93,977 (26%)
 31,000 to 51,999 17,402 (29%) 93,371 (26%)
 52,000 to 100,000 15,745 (26%) 70,522 (19%)
 Greater than 100,000 4786 (7.9%) 18,144 (5.0%)
Education
 College or University degree 28,844 (48%) 132,321 (31%)
 A levels/AS levels or equivalent 8237 (14%) 47,086 (11%)
 O levels/GCSEs or equivalent 11,533 (19%) 93,666 (22%)
 CSES or equivalent 2036 (3.4%) 24,851 (5.8%)
 NVQ or HND or HNC or equivalent 2962 (4.9%) 29,767 (6.9%)
 Other professional qualifications e.g., nursing, teaching 2950 (4.9%) 22,854 (5.3%)
 None 3673 (6.1%) 81,600 (19%)
Smoking status
 Never 34,847 (58%) 238,678 (54%)
 Previous 21,436 (36%) 151,624 (35%)
 Current 3952 (6.6%) 49,027 (11%)
BMI, mean (SD) 26.6 (4.5) 27.6 (4.8)
Long-term physical illness
 Do not know 962 (1.6%) 10,425 (2.4%)
 No 43,003 (71%) 286,253 (65%)
 Yes 16,270 (27%) 143,630 (33%)
Diet 4.94 (2.48) 4.88 (2.80)
Baseline depression and anxiety symptoms, mean (SD) 1.34 (1.80) 1.64 (2.11)
Parental depression
 No 54,430 (90%) 383,357 (91%)
 Yes 5805 (9.6%) 36,752 (8.7%)
Daily sedentary behaviour, arithmetic mean minutes (SD) 647.8 (99.2) -
Daily light activity, mean arithmetic minutes (SD) 292.4 (62.7) -
Daily moderate-to-vigorous arithmetic activity, mean minutes (SD) 65.1 (37.1) -
Daily sleep, arithmetic mean minutes (SD) 434.8 (58.4) -
Sedentary behaviour, geometric mean 0.45 -
Light activity, geometric mean 0.20 -
Moderate-to-vigorous activity, geometric mean 0.05 -
Sleep, geometric mean 0.30 -
  1. SD standard deviation, BMI body mass index