Fig. 1

Multiple mediation models of social support and quality of life. SM_A = diet control management; SM_B = exercise management; SM_C = medication management; SM_D = blood glucose monitoring management; SM_E = foot care; SM_F = hypoglycemic/hyperglycemia management; QOL_A = quality of life, activity domain; QOL_B = quality of life, emotion domain; QOL_C = quality of life, psychological feeling domain; QOL_D = quality of life, family burden domain; QOL_E = quality of life, diet domain; SS_A = family support; SS_B = friends support; SS_C = support from others