Table 2.

Summary of variables measured in each of the Study Exams

Variable	Exam number
	1	2	3
Gender/age	Yes	Yes	Yes
Anthropometry
Weight/height	Yes	Yes	Yes
Waist/hip/plicometry	No	Yes	Yes
Education/occupation	Yes	Yes	Yes
Physical activity	No	Yes	Yes
Smoking habits
Smoker/ex-smoker	Yes	Yes	Yes
Reported number of cigarettes	Yes	Yes	Yes
Carbon monoxide in breath	Yes	No	No
Reported intake of
Alcohol	Yes	Yes	Yes
Caffeine-containing beverages	No	Yes	No
Milk/yogurt	No	Yes	No
Medical history
Personal history	Yes	Yes	Yes
Family history	Yes	Yes	Yes
Blood pressure/pulse rate	Yes	Yes	Yes
Electrocardiogram for persons aged ≥35 years	No	Yes	Yes
Echocardiogram for persons aged 45–54 years	No	Yes	No
24-h ambulatory blood pressure for persons aged 45–54 years	No	Yes	No
Uroflowmetry for men aged ≥45 years	No	Yes	Yes
Duration of fasting before blood sampling	>2 hour	Overnight	Overnight
Blood biochemistry
Glucose, total cholesterol/HDL cholesterol	Yes	Yes	Yes
Triglycerides	No	Yes	Yes
Creatinine, uric acid	Yes	Yes	Yes
Blood count	Yes	Yes	Yes
Urea, sodium, potassium	Yes	Yes	No
Calcium, phosphorus, total protein	No	Yes	No
Alkaline phosphatase	No	Yes	No
Gamma-glutamyl-transferase	No	Yes	Yes
Biochemistry in first void urine
creatinine, sodium, and potassium	Yes	No	No
Biochemistry in overnight urine (fed conditions)
Creatinine, sodium, potassium, calcium, urea	No	Yes	No
Albuminuria for persons aged 45–64 years	No	Yes	No
Biochemistry in morning urine (fast conditions)
Creatinine, sodium, potassium, calcium, phosphorus, urate	No	Yes	No
Red blood cell electrolyte transport	Yes	Yes	No
Post-exam follow-up of events
Mortality data	Yes	Yes	No
Lethal/non-lethal cardiovascular disease for persons aged ≥35 years	Yes	Yes	No