; and (v) physical health. (B) HIPAA compliance The longitudinal component authorized under paragraph (1) shall comply with the regulations promulgated under section 264(c) of the Health Insurance Portability and Accountability Act of 1996. (3) Study on specific subgroups (A) In general The longitudinal component authorized under paragraph (1) shall examine the impact on specific subgroups of students (except as provided in subparagraph (B)), including on each of those subgroups described in section 1111(b)(2)(B)(xi) of the Elementary and Secondary Education Act of 1965 ( 20 U.S.C. 6311(b)(2)(B)(xi) ) and on each of the following: (i) Status as a student with a parent who is a member of the armed forces (as defined in section 101(a)(4) of title 10, United States Code) on active duty (as defined in section 101(d)(1) of title 10, United States Code) or serves on full-time National Guard duty (as defined in section 101(d)(5) of title 10, United States Code). (ii) Status as a homeless child or youth, as defined in section 725(2) of the McKinney-Vento Homeless Assistance Act ( 42 U.S.C. 11434a(2) ). (iii) Status as a child in foster care. In this clause, the term foster care means 24-hour substitute care for children placed away from their parents and for whom the agency under part E of title IV of the Social Security Act ( 42 U.S.C. 670 et seq. ) has placement and care responsibility. This includes, but is not limited to, placements in foster family homes, foster homes of relatives, group homes, emergency shelters, residential facilities, child care institutions, and preadoptive homes. A child is in foster care in accordance with this definition regardless of whether the foster care facility is licensed and payments are made by the State, Tribal, or local agency for the care of the child, whether adoption subsidy payments are being made prior to the finalization of an adoption, or whether there is Federal matching of any payments that are made. (iv) Status as a neglected, delinquent, or at-risk student, as described