Quality of Life Social Functioning Social functioning defines an individual's interactions with their environment and the ability to fulfill their role within such environments as work, social activities, and relationships with partners and family. Few but definitions not freely available PROMIS Domain Frameworks/Definitions nih.promis.org Request inclusion into relevant ontology Include terms for social relationships; social activities? Compr Psychiatry. 2000 Jan-Feb;41(1):63-9. Assessment of social functioning in depression.