Qualitative Studies; Human; Discourse Analysis; Sociological Theory; Narratives; Male; Middle Age; Aged; Outpatients; Diabetes Mellitus -- Complications; Diabetes Mellitus -- Psychosocial Factors; Diabetes Mellitus -- Risk Factors; Outpatient Service; Academic Medical Centers; Brazil; Interviews; Activities of Daily Living; Thematic Analysis; Socioeconomic Factors; Glycemic Control; Primary Health Care; Sexuality; Diabetic Diet; Diabetes Education; Exercise; Patient Compliance; Diabetes Mellitus -- Drug Therapy; Hypoglycemic Agents -- Administration and Dosage; Coping