Opsommer 2017.

Population (low back pain description; location; setting; data collection period)	Prospective cohort: People with chronic low back pain admitted to a rehabilitation centre; Switzerland; Primary care; February 2011 ‐ October 2013
Sample size	98
Prognostic factor (type, measure(s) of individual recovery expectations)	GENERAL (2): In your view, how large is the risk that your current pain may become persistent? (0 ‐ 10), and In your estimation, what are the chances that you will be able to work in six months? (0 ‐ 10)
Notes	Funding Source: The Swiss National Science Foundation; HES‐SO Conflict of Interest: None declared