Table 1.

Data obtained at baseline examination from laboratory, impedanciometry and questionnaires

Source	Category	Data/Instrument
Laboratory	Biochemistry	Serum glucose, urea, creatinine, sodium, potassium, uric acid, ALT, AST, GGT, alkaline phosphatase, triglycerides, HDL, LDL and total cholesterol, albumin, calcium, C-reactive protein
	Hormones	TSH, T4
	Hepatology	APRI, FIB4
	Haematology	Leukocytes, neutrophils, lymphocytes, monocytes, eosinophils, basophils, erythroblasts, red blood cells, hemoglobin, hematocrit, mean corpuscular hemoglobin, erythrocyte distribution width, mean corpuscular volume, mean corpuscular hemoglobin concentration, platelets, mean platelet volume
	Microbiology	Hepatitis B, Hepatitis C, HIV
Impedanciometry	Anthropometric measurements	Height, weight, body mass index, waist circumference
	Body composition	Fat mass, visceral adipose tissue, lean mass, skeletal muscle mass, total body water, extracellular water
	Energy	Energy expenditure, energy expenditure at rest, stored energy
	Raw impedanciometry data	Bioimpedance vector, impedance, reactance, resistance, phase angles
Questionnaire	Socioeconomic	Marital status, level of education, employment status, annual income, housing characteristics, place of residence
	Demographic	Age, sex, ethnicity, phototype
	Quality of life	Spanish version of the SF-36 Health Survey [43]
	Diet	13-item Mediterranean diet adherence screener and 9-item scale of adherence to a low-fat diet [44]
	Physical activity	Spanish version of the physical activity questionnaire [45]
	Sleep habits	The items employed to get this information come from GCAT Genomes for life project [15]
	Tobacco use/exposure	GCAT Genomes for life project [15]
	Alcohol consumption	GCAT Genomes for life project [15]
	Family history of disease	Progenitors, siblings and descendants. These items were got from GCAT Genomes for life [15]
	Memory	Cognitive Complaints Questionnaire [40]

ALT Alanine transaminase, AST Aspartate transaminase, GGT Gamma-glutamyltransferase, HDL High-density lipoprotein, LDL Low-density lipoprotein, TSH Thyroid-stimulating hormone, T4 Thyroxine, APRI AST-to-Platelet Ratio Index, FIB4 Fibrosis index based on four factors, HIV Human immunodeficiency virus