Fig 1.
Overview of the item development process for phase one.
Table 1.
Expert panel credentials and experience.
Table 2.
Literature review mapped to target concepts and general misconceptions.
Fig 2.
Item-target concept rater-agreement.
*Deemed to fit into more than one target concept by at least one assessor.
Table 3.
Pretesting participant characteristics.
Table 4.
Item bank for continued development of the Osteoarthritis Conceptualisation Questionnaire.
Fig 3.
Response distribution for provisional item bank field testing.
Table 5.
Comparison of characteristics identified by survey quality prediction.