Hi, I Have Had A Cdt Test, Result Was 3%,

hi, I have had a cdt test, result was 3%, I hav had 1 pt, of Guinness in 3 weeks of test, I failed , is my cholesterol intake the problem, I am of slight build 72 k, I lov red meat and full fat cheese, yoghurts ect, cos I burn fat off fast, so I try to build myself up, what am I doing wrong,