In making a determination regarding a drug, the board shall consider the following:
(1) the actual or relative potential for abuse;
(2) the scientific evidence of its pharmacological effect, if known;
(3) the state of current scientific knowledge regarding the drug;
(4) the history and current pattern of abuse;
(5) the scope, duration, and significance of abuse;
(6) the risk to the public health;
(7) the potential of the drug to produce psychic or physiological dependence liability; and
(8) whether the drug is an immediate precursor of a drug already controlled under this chapter.