Table 3.

Primary sub-themes within each CFIR construct

CFIR construct(s)	Main sub-themes
Evidence	• Limited knowledge of evidence • Evidence not yet definitive • Cautious about using until more evidence
Relative advantage	• Hopeful, but unsure • May be especially useful for patients with prior unsuccessful treatment • Just one additional piece of information • Concern over delay compared to usual practice
Adaptability, Trialability, Complexity	• Concern over workflow and time to discuss/ educate the patient • Primary Care providers concerned over how would fit with usual scope of practice • Desire to try it out with some patients, or tailor use based on patient characteristics
Intervention Design	• Simple to use • Concern over misinterpretation of colors/ categories