Table 1 Characteristics of the UK Biobank participants.
Variable | Mean (SD) |
|---|---|
Number of all participants | 9289 |
Age (years) | 62.4 (7.4) |
Low mood | 0.21 (0.50) |
Anhedonia | 0.19 (0.45) |
Tenseness | 0.24 (0.52) |
Tiredness | 0.57 (0.74) |
Total depressive score | 1.21 (1.76) |
Townsend deprivation score | −2.01 (2.56) |
Number of females | 4817 |
Age (years) | 61.7 (7.2) |
Low mood | 0.24 (0.54) |
Anhedonia | 0.20 (0.51) |
Tenseness | 0.26 (0.54) |
Tiredness | 0.65 (0.78) |
Total depressive score | 1.35 (1.87) |
Townsend deprivation score | −1.96 (2.57) |
Number of males | 4472 |
Age (years) | 63.1 (7.5) |
Low mood | 0.17 (0.45) |
Anhedonia | 0.18 (0.47) |
Tenseness | 0.22 (0.50) |
Tiredness | 0.49 (0.68) |
Total depressive score | 1.07 (1.63) |
Townsend deprivation score | −2.05 (2.55) |
Living area, N (%) | |
Rural | 671 (7.22) |
Urban | 8553 (92.07) |
Ethnic background, N (%) | |
White | 8728 (93.96) |
Black | 29 (0.31) |
Mixed | 271 (2.91) |
Asian | 191 (2.05) |
Chinese | 30 (0.32) |
Other | 40 (0.43) |
Photoperiod in hours | 13.003 (3.05) |
Brain volumes | |
Whole brainstem (mm3) | 25341.6 (3008) |
Midbrain (mm3) | 6026.7 (645) |
Pons (mm3) | 14750.3 (1916) |
Medulla (mm3) | 4321.4 (565) |
WMV (cm3) | 498.57 (59.3) |
GMV (cm3) | 628.04 (55.03) |
TBV (cm3) | 1125.92 (109.43) |
