Table 2

Responses to selected TDF questions by whether the respondent said they involved PPP in numerical aspects of trials – median (percentile 25 – percentile 75), count for scale variables or n (%) out of N for binary variables.

Respondents involve PPP (n=116)Respondents do not involve PPP or are not sure (n=71)
TDF domain: knowledge
How familiar are you with involving PPP in numerical aspects of trials?4 (3.0–5.0), 1162 (1.0–3.0), 71
TDF domain: skills
Grade your own ability to involve PPP in numerical aspects of trials.4 (3.0–5.0), 1162 (1.0–4.0), 71
PPP skills
Do you think the PPP need to have particular experience or skills to be involved in numerical aspects of trials?
 Yes52 (44.8)41 (57.7)
 No64 (55.2)30 (42.3)
TDF domain: social/professional role
Is involving PPP in numerical aspects of trials an expected role within your job?46 (39.7)3 (4.2)
TDF domain: beliefs about capability
Do you feel confident in your ability to involve PPP in numerical aspects of trials?4 (3.0–5.0), 1113 (2.0–4.0), 62
Do you think that involving PPP in numerical aspects of trials is hard to deliver?52 (44.8)34 (47.9)
TDF domain: beliefs about consequences
There is a good balance between the challenges of involving PPP in numerical aspects of trials and the potential benefits.68 (58.6)22 (31.0)
TDF domain: reinforcement
You get recognition from PPP when you involve them in numerical aspects of trials.35 (30.2)12 (16.9)
You get recognition from work peers.21 (18.1)5 (7.0)
You get recognition from your manager.23 (19.8)6 (8.5)
TDF domain: environmental context and resources
Have the resources needed to involve PPP in numerical aspects of trials.55 (47.4)16 (22.5)
Employer provides support to involve PPP in numerical aspects of trials.47 (40.5)13 (18.3)
Employer provides training to involve PPP in numerical aspects of trials.31 (26.7)7 (9.9)
Involving PPP in numerical aspects of trials is compatible with daily practice.63 (54.3)17 (23.9)
PPPs are motivated to get involved in numerical aspects of trials.59 (50.9)14 (19.7)
TDF domain: social influences
Most people who are important think I should involve PPP in numerical aspects of trials.5 (4.0–6.0), 943 (1.0–4.0), 50
Who encourages you to involve PPP in numerical aspects?
No encouragement.7 (6.0)14 (19.7)
Who is a barrier for you to involve PPP in numerical aspects?
No barrier.47 (40.5)13 (18.3)
TDF domain: behavioural regulation
Do you have a clear plan on…
Which numerical aspects of trials you should involve PPP with?33 (28.4)5 (7.0)
How you will involve PPP in numerical aspects of trials?36 (31.0)6 (8.5)
How often will you involve PPP in numerical aspects of trials?37 (31.9)4 (5.6)
  • Data shown as median (25th–75th percentile) and count for scale variables, or n (%) out of N for binary variables.

  • PPP, patient and public partner; TDF, Theoretical Domains Framework.