Table 1. Baseline Characteristics of UK Biobank Participants Included in This Study and Numbers of Outcome Events.

Characteristic	Mean (SD) or N (%)
Sample size	367 703 (100)
Male	168 799 (45.9)
Age at baseline	57.2 (8.1)
Body mass index	27.3 (4.8)
Systolic blood pressure	137.6 (18.6)
Diastolic blood pressure	82.0 (10.1)
Smoking status (current/ex/never)*	37 866 (10.3)/185 704 (50.5)/143 777 (39.1)
Alcohol status (current/ex/never)*	342 797 (93.2)/12 732 (3.5)/11 646 (3.2)
History of type 2 diabetes mellitus	15 834 (4.3)
Coronary artery disease	29 278 (8.0)
Ischemic cerebrovascular event (all)	8084 (2.2)
Ischemic stroke	4602 (1.3)
Transient ischemic attack	3962 (1.1)
Hemorrhagic stroke (all)	1981 (0.5)
Intracerebral hemorrhage	1064 (0.3)
Subarachnoid hemorrhage	1084 (0.3)
Aortic aneurysm (all)	1849 (0.5)
Abdominal aortic aneurysm	1094 (0.3)
Thoracic aortic aneurysm	347 (0.1)
Venous thromboembolism (all)	14 097 (3.8)
Deep vein thrombosis	9454 (2.6)
Pulmonary embolism	6148 (1.7)
Hypertension	125 846 (34.2)
Peripheral vascular disease	3415 (0.9)
Aortic valve stenosis	2244 (0.6)
Atrial fibrillation	16 945 (4.6)
Heart failure	6712 (1.8)
Chronic kidney disease	6321 (1.7)

^*Excluding 356 participants with smoking status absent and 528 participants with alcohol consumption status absent.