Table 2 Summary of TBA barrier coding and intuitive and theory-driven implementation strategies
No. distinct barriers | Distinct TDF domains (no. times coded) | No. overarching themes | Overarching TDF themes (no. times coded) | Implementation strategy summary | |
|---|---|---|---|---|---|
TBA1 “Ensuring appropriate patients receive testing” | 20 | • Skills (6) • Knowledge (4) • Environmental context and resources (4) • Memory, attention and decision processes (3) • Professional role and identity (2) • Goals (1) | 7 | • Beliefs about capabilities (2) • Skills (2) • Social influences (1) • Knowledge (1) • Beliefs about consequences (1) | • 20 intuitive strategies, addressing 16 distinct barriers (14 BCTs used on 31 occasions) • 9 theory-driven strategies, addressing 4 distinct barriers (11 BCTs used on 15 occasions) |
TBA2 “Requesting testing and interpreting the data” | 7 | • Knowledge (3) • Professional role and identity (2) • Social influences (1) • Environmental context and resources (1) | 4 | • Intentions (2) • Social influence (1) • Professional role and identity (1) | • 4 intuitive strategies, addressing 4 distinct barriers (7 BCTs used on 12 occasions) • 7 theory-driven strategies, addressing 3 distinct barriers (7 BCTs used on 8 occasions) |
TBA3 “Communicating results to patients” | 5 | • Environmental context and resources (2) • Memory, attention and decision processes (1) • Knowledge (1) • Social influences (1) | 2 | • Beliefs about capabilities (1) • Emotion (1) | • 5 intuitive strategies, addressing 3 distinct barriers (5 BCTs used on 6 occasions) • 4 theory-driven strategies, addressing 2 distinct barriers (6 BCTs used on 8 occasions) |
Total | 32 | • Knowledge (8) • Environmental context and resources (7) • Skills (6) • Memory, attention and decision processes (4) • Professional role and identity (4) • Social influences (2) • Goals (1) | 13 | • Beliefs about capabilities (3) • Skills (2) • Social influences (2) • Intentions (2) • Beliefs about consequences (1) • Professional role and identity (1) • Knowledge (1) • Emotion (1) | • 29 intuitive strategies, addressing 23 distinct barriers (21 BCTs used on 49 occasions) • 20 theory-driven strategies, addressing 9 distinct barriers (19 BCTs used on 31 occasions) |