Table 1.

Definitions of the Illness Perceptions Questionnaire Revised (IPQ-R) subscales

Subscale	A belief…..
Cause	…about the cause of my illness
Identity	…about the number of symptoms attributable to their condition
Time (acute/chronic)	…about the duration of the condition
Consequences	…that their condition will have serious consequences
Personal control	…in one’s ability to personally influence the outcome of their condition
Treatment control	…that medical treatments will be effective in controlling their condition
Illness coherence	…that condition ‘makes sense’
Timeline cyclical	…that the condition will come and go in cycles
Emotional representations	…that the condition is emotionally distressing