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Table 1 Data sources and variables

From: De-implementation of low value castration for men with prostate cancer: protocol for a theory-based, mixed methods approach to minimizing low value androgen deprivation therapy (DeADT)

Information

Source

Variables

Aim 1

 Barriers and facilitators to stopping low value chemical castration

12–16 urologists, selected patients from high and a few low ADT facilities

Semi-structured interview data coded into themes and TDF domains for use in Aim 2

Aim 2

 Themes, barriers, attributes for discrete choice scenarios

TDF domains and themes related to treating localized prostate cancer with ADT from Aim 1

4–6 attributes with varying levels (e.g., physician autonomy, clinical time)

 Discrete choice experiment (DCE)

Mixed multinomial logit analysis of DCE survey results among national sample of urologists

Choice sets, attributes, model outcomes (barrier attribute weights)

 Behavior change techniques for most relevant attributes for Aim 3

Michie et al. The Behavior Change Wheel: A Guide to Designing Interventions [72]

Relevant TDF domains from the DCE model output for use in tailoring strategies