Table 2 Key domains of the TDF in which data clustered, and related TFA constructs. Data were mapped within and between domains and constructs of the TDF/TFA, with bi-directional interactions. Descriptions are adapted from the original descriptions [23, 24]
TDF Domain | Description |
Knowledge | An awareness and/or understanding of telephone treatment/practitioner. |
Skills, cognitive & interpersonal | An ability or proficiency for taking part in telephone treatment sessions/practitioner and patient skills. |
Environmental context & resources | Any circumstances related to the medium of telephone for treatment that affects the ability to successfully take part in a session. |
Beliefs about capabilities/ consequences | Acceptance of the truth, reality or validity about an ability or facility to successfully partake or benefit from telephone treatment/about outcomes of partaking/the benefit of telephone treatment |
TFA Construct | Description |
Affective attitude | How an individual feels about telephone treatment |
Burden | The perceived amount of effort that is required to participate in telephone treatment |
Ethicality | The extent to which the telephone treatment has good fit with an individual’s value system |
Intervention coherence | The extent to which the patient understands the telephone treatment and how it works |
Opportunity costs | The extent to which benefits, profits or values must be given up to engage in the telephone treatment |
Perceived effectiveness | The extent to which the telephone treatment is perceived as likely to achieve its purpose |
Self-efficacy | The patient’s confidence that they can perform the behaviour(s) required to participate in telephone treatment |