Table 1.
Baseline characteristics of UK Biobank participants included in the present study.
Baseline Characteristics | All Participants | With Diabetics Excluded | With Diabetics and Pre-Diabetics Excluded |
---|---|---|---|
Number of Participants | 367,703 | 330,825 | 284,740 |
Female (%) | 198,860 (54.1%) | 182,200 (55.1%) | 156,875 (55.1%) |
Mean age at baseline (SD), years | 57.2 (8.0) | 57.0 (8.1) | 56.4 (8.1) |
Body mass index (SD), kg/m2 | 27.4 (4.8) | 27.1 (4.6) | 26.8 (4.4) |
HbA1c (SD), mmol/mol | 35.5 (6.6) | 34.4 (3.3) | 34.4 (3.3) |
Systolic blood pressure (SD), mmHg | 137.7 (18.6) | 137.4 (18.7) | 136.8 (18.6) |
Diastolic blood pressure (SD), mmHg | 82.0 (10.1) | 82.0 (10.1) | 81.8 (10.1) |
Smoking status (%) | |||
Current | 37,860 (10.3%) | 33,891 (10.2%) | 26,760 (9.4%) |
Ex | 185,668 (50.5%) | 166,321 (50.3%) | 143,469 (50.4%) |
Never | 143,749 (39.1%) | 130,511 (39.5%) | 114,430 (40.2%) |
Alcohol consumption status (%) | |||
Current | 342,733 (93.2%) | 309,764 (93.6%) | 267,779 (94.0%) |
Ex | 12,729 (3.5%) | 10,727 (3.2%) | 8642 (3.0%) |
Never | 11,642 (3.2%) | 10,100 (3.1%) | 8129 (2.9%) |
Baseline characteristics are presented as mean (standard deviation, SD) or n (%). Participants with missing information for the given measurement were not included in the calculation of mean and standard deviation, and were omitted from the categorization by smoking and alcohol status.