Problem: Define the following variables according to the possible research study entitled, "TYPE 2 DIABETES MELLITUS: EVALUATING THE EFFECT OF SELF MONITORING BLOOD GLUCOSE ON MEDICATION ADHERENCE" and explain why the following the following variables have an effect on medication adherence in type 2 diabetes mellitus patients. Give references in APA. - Age - Frequency of self monitoring of blood glucose - Type of medication - Socio-economic status - Level of adherence