It depends. The earned income credit is based on the income earned for the year. You must have income to receive earned income tax credit. However, there are some federal rulings that State of Ohio conformed such as Covid-19 Tax Relief. The Ohio IT1040 has refundable credits and non-refundable credits (Schedule E of Ohio IT 1040).
See, Ohio IT 1040 schedule of refundable and non-refundable tax credits, link
