“…HrQoL is defined as an individual's perception of his or her well-being that is related to health status and can be affected by disease and its treatment [5]. The demographic and clinical determinants of HrQoL, such as age, disease severity, motor and non-motor symptoms, have been thoroughly investigated in previous studies [4,7,9,20,22,23,25,32], whereas less is known about the role of social factors in HrQoL of patients with PD [3,14,32].…”