Factors That Influence the Relationship Between Social Support and Health-Related Quality of Life of Older People Living in the Community oleh Efstathia Sarla BSc, MSc, PhD, RN, Ekaterini Lambrinou RN, PhD, FESC, FHFA, Petros Galanis RN, MPH, PhD, Athena Kalokairinou RN, PhD, Panayota Sourtzi RN, PhD