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 |