Table 4.

Barriers and facilitators to home self-administration

TDF domain	Subtheme/s	Facilitators	Barriers
Knowledge	Lack of knowledge of potential options available for self-administration		√
Beliefs of capabilities	Belief and confidence in own abilities	√
	Lack of confidence in own abilities		√
Skills	A perception that have necessary skills to self-administer	√
Social/professional role and identity	Belief that not role of patient to self-administer		√
Beliefs about consequences	Belief that safer to administer in hospital		√
	Belief that self-administration could potentially improve quality of life	√
Environmental context/resources	Lack of parking on hospital grounds	√
	Complex home circumstances	√ (dependents)	√ (dependents)
Emotions	Anxiety and stress associated with self-administration		√
	Staff reassurances, encouragement, support and training	√
Social influences	Influences of family/friends		√
Memory, attention and decision process	Lack of patient involvement in decision making		√
Behavioural regulation	Experiences gained through attending OPAT clinic	√	√