FH and Hypercholesterolemia: In this study, the percentage of the female were higher than male in many of the answers related to knowledge questions in defining FH, lipid profile, FH inheritance, family history of premature CHD (age of onset), family history of hypercholesterolemia (TC and/ or LDL-C), positive family history of tendon xanthomata, and family history of childhood unexplained death.