A tailored intervention to promote uptake of retinal screening among young adults with type 2 diabetes - an intervention mapping approach

Table 6 Illustrative matrix of Change Objectives for Performance Objective 3 (PO.3) - Young adults with type 2 diabetes will be motivated to engage in retinal screening^a

Sub-objectives^b	Modifiable behavioural determinants
Sub-objectives^b	Knowledge	Attitudes	Normative beliefs	Intention	Behavioural skills
PO.3.1 Prioritise retinal screening			NB.3.1 Recognise that similar others have overcome screening barriers	I.3.1 Form an intention to prioritise retinal screening
PO.3.2 Understand personal risk of DR	K.3.2 Know that DR risk increases over time	A.3.2 Perceive high personal risk and susceptibility to DR
PO.3.3 Identify personal barriers to retinal screening		A.3.3 Believe that attending screening will relieve fear and guilt and be a positive experience	NB.3.3 See that similar others face screening barriers (e.g. cost, fear of adverse effects)		BS.3.3 Be confident in one’s ability to identify and overcome common screening barriers
PO.3.4 Perceive personal responsibility to engage in screening	K.3.4 Know that they can take steps to protect eye health	A.3.4 Adopt personal responsibility for retinal screening	NB.3.4 Believe that similar others take responsibility for their own eye health		BS.3.4 Be confident they have the tools to act on personal responsibility

Determinants: K=Knowledge, A = Attitudes, NB=Normative Beliefs, I=Intention, BS=Behavioural Skills
PO performance objective, DR diabetic retinopathy
^aFull matrix of Change Objectives for every Performance Objective is provided in Additional file 4
^bSee Table 5 for full list of Performance Objectives and sub-objectives

ISSN: 1472-6963