Table 2.

The main categories and subcategories of the study.

Main categories	Subcategories
Structural challenges	Lack of volunteer recruitment bases
	Ineffective organization of voluntary activities
Interpersonal conflicts	Pervasive distrust
	Heightened risk of clinical errors
Financial constraints	Conflicts between volunteer commitments and primary occupation
	Lack of financial support
Covert participation	Lack of family support
	Isolation by friends
Deteriorating condition of care provision	Mental trauma
	Physical exhaustion