Quantity of missing data of all participants in the UK Biobank at baseline by sex and age
| Female | Male | |||||||
| Age group (years) | <45 (N=27 022) | 45–54 (N=74 928) | 55–64 (N=96 788) | ≥65 (N=34 495) | <45 (N=22 482) | 45–54 (N=54 093) | 55–64 (N=67 247) | ≥65 (N=26 313) |
| Systolic blood pressure | 136 (0.5) | 287 (0.4) | 354 (0.4) | 120 (0.3) | 80 (0.4) | 143 (0.3) | 187 (0.3) | 100 (0.4) |
| Measure of systolic blood pressure variability | 136 (0.5) | 287 (0.4) | 354 (0.4) | 120 (0.3) | 80 (0.4) | 143 (0.3) | 187 (0.3) | 100 (0.4) |
| Total cholesterol: high-density lipoprotein cholesterol ratio | 4283 (15.9) | 11 794 (15.7) | 14 667 (15.2) | 5136 (14.9) | 3080 (13.7) | 7077 (13.1) | 8970 (13.3) | 3567 (13.6) |
| Body mass index | 151 (0.6) | 368 (0.5) | 454 (0.5) | 175 (0.5) | 159 (0.7) | 352 (0.7) | 422 (0.6) | 165 (0.6) |
| Smoking status | 1098 (4.1) | 2313 (3.1) | 2221 (2.3) | 656 (1.9) | 1478 (6.6) | 2904 (5.4) | 3337 (5.0) | 1279 (4.9) |
Values are number (percentages) unless otherwise stated.