Ohio Rev. Code Ann. § 3119.73
(A) In calculating a revised amount of child support to be paid under section 3119.61 or 3119.63 of the Revised Code, and in redetermining, at an administrative hearing conducted under either of those sections, a revised amount of child support to be paid, the child support enforcement agency shall consider, in addition to all other factors required by law to be considered, the following:
(B) In determining, at a hearing conducted under section 3119.66 of the Revised Code, the appropriate amount of child support to be paid by the obligor, the court shall consider the following, in addition to all other factors required by law to be considered: