Table 4 Cluster analysis of MeSH terms (Topic1)

1

Objects: Humans; Male; Female; Middle Aged; Aged; Adult

Exposure variables: Tobacco Smoke Pollution

Main outcome variables: Coronary Disease

3

Exposure variables: Smoke

Main outcome variables: Arteriosclerosis; Aortic Diseases; Heart Diseases; Hypertension; Body Mass Index;

Contents/Mechanisms: Apolipoprotein; Cholesterol; Antioxidants; Lipid; Lipoproteins LDL; Lipoproteins HDL; Hyperlipidemias;

Peroxidation; Genetic Predisposition to Disease; Thiobarbituric Acid Reactive Substances; Glutathione; Ascorbic Acid; Vitamin; Chromatography High Pressure Liquid

Factors: Atherogenic Diet; Workplace; Health Education; Educational Status

9

Objects: Child; Parents/psychology

Exposure variables: Cotinine

Designs/Methods: Case–control Studies; Biological Markers

Contents/Mechanisms: Vasodilation; Endothelium, Vascular; Vasodilator Agents; Nitroglycerin; Brachial Artery