Table 1.

Brief prognostic assessment in the consultation. Conceptual domains, operational definitions, and empirical measures

Conceptual domain	Operational definition	Empirical measure	No. of items
Pain intensity	Current pain intensity (of the index pain, at the time of index consultation)	0–10 NRS [8]	1
Episode duration	Time since last whole month free from this pain	Episode duration [9]	1
Multiple site/widespread pain	Current pain in sites other than the index site in the last month	Yes/no	1
Pain interference with activities	Pain interference with daily activities in the past month (of the index pain)	0–10 NRS [8]	1
Depression	Low mood, anhedonia in the past month	Depression Screening questions for primary care [10]	2
GP Prognostic Judgement	GP predicted outcome at 6 months	6 item scale (completely recovered through to much worse) [adapted from 11]	1