Table 4 Thematic description for the specific necessity domain

Code 2

Item content

Theme 1 Illness identity

Mismatch between the terminology used in the scale and participants perceptions of their psoriasis.

Theme 2 Illness outcomes

Mismatch between the terminology used in the scale and participants perceptions of the complexity of psoriasis management.

Code 3 Misinterpretation

Theme 3 Medication side-effects

Participants mistakenly referred to potential medication adverse effects.

Theme 4 Alternative medications

Participants mistakenly referred to obtaining alternative medications.