Son age 23 was on our ACA insurance 01/16-07/16 then on employers. Do we need to claim his income as part of the household for all 2016 when he did not reside 08-12/16?

Full time student until 05/16. Lived with us until 08/16. Employer insurance effective 07/16. Most of his income was earned after he moved out of our household. How does this affect our insurance? Does dependency status make a difference?