Descriptive Characteristics. Missed Clinic Visits Were Tallied Over the Year Prior to Hospital Admission, SD Standard Deviation. Marginal Housing: an Individual Who Lacks a Fixed, Regular, and Adequate Nighttime Residence, or Who Lives in a Temporary or Transitional Housing, or Who Lives in a Place Not Meant for Human Habitation. Lacks Social Support: Evidence that a Patient Lacks Social Support with Family Members, Friends, or Community on a Consistent Basis. SDOH Social Determinant of Health. Substance Abuse Includes Alcohol or Drug Abuse