Table 1 Characteristics of UK Biobank imaging cohort
From: Body Fat Distribution, Fat-Free Mass and Cardiovascular Function in the UK Biobank
Characteristics at imaging visit | Imaging cohort | ||
|---|---|---|---|
Women N = 12,380 | Men N = 10,878 | Total N = 23,258 | |
Demographic and lifestyle factors | |||
 Age | 62.6 (7.4) | 63.4 (7.7) | 63.0 (7.5) |
 European ethnicity | 96.8% | 96.5% | 96.7% |
 Higher education | 63.2% | 64.3% | 63.7% |
 Townsend deprivation | − 1.9 (2.7) | − 2.0 (2.7) | − 2.0 (2.7) |
 Current smoker | 2.9% | 4.3% | 3.6% |
 Regular drinker | 66.8% | 79.3% | 72.7% |
 Low physical activity | 12.3% | 12.2% | 12.2% |
 Hypertension | 19.4% | 28.3% | 23.6% |
 Diabetes | 3.1% | 6.5% | 4.7% |
Anthropometry | |||
 Body mass index (kg/m2) | 25.9 (4.5) | 26.8 (3.8) | 26.3 (4.2) |
 Waist circumference (cm) | 81.7 (11.4) | 93.3 (10.3) | 87.1 (12.3) |
 Hip circumference (cm) | 100.4 (9.5) | 100.4 (7.1) | 100.4 (8.5) |
 Waist–hip ratio (units) | 0.8 (0.1) | 0.9 (0.1) | 0.9 (0.1) |
Vascular function | |||
 Systolic blood pressure (mmHg) | 134.7 (18.8) | 141.4 (17.1) | 137.8 (18.4) |
 Diastolic blood pressure (mmHg) | 76.9 (9.9) | 80.8 (9.7) | 78.7 (10.0) |