Table 2.

Domains of the TDF deemed useful in explaining perceived and experienced barriers and facilitators to implementation and use of the sHNA

	Phase 1		Phase 2
	HCP	Patient	HCP	Patient
1. Knowledge (Knowledge of condition and rationale of holistic needs assessment)	✓	✓	✓
2. Skills (Competence and skill development with regards to use of sHNA)			✓	✓
3. Social/professional role and identity (Perceived role of HCPs to work with prostate cancer, from both the HCPs and patient perceptive)	✓		✓
4. Beliefs about capabilities (Perceived competence to care [HCP only] for men with prostate cancer and use of the sHNA); perceived capabilities to use the sHNA)	✓	✓	✓	✓
5. Optimism (Confidence that the sHNA will be adopted or useful in some way)	✓	✓	✓	✓
6. Beliefs about Consequences (Anticipated or experienced outcomes from implementing the sHNA)	✓	✓	✓	✓
7. Reinforcement (Increasing the probability of a response by arranging a specific dependant relationship)
8. Intentions (Conscious decision to use the sHNA in a certain way)
9. Motivation and goals (Outcomes or endpoints that HCPs or patients want to achieve via the sHNA)			✓
10. Memory, attention and decision processes (Ability to retain thoughts, and make decisions between two or more alternatives)
11. Environmental context and resources (Circumstances impacting on an individual’s ability to use the sHNA in the intended way)	✓	✓	✓	✓
12. Social influences (Interpersonal processes that cause an individual to change their thoughts or feelings)
13. Emotion (A complex reaction pattern that may influence the individual’s willingness to use the sHNA)	✓	✓
14. Behavioural regulation (Anything aimed at managing or changing behaviour e.g. self-monitoring of symptoms using sHNA)		✓