Glattacker 2013.

Population (low back pain description; location; setting; data collection period)	Randomized Controlled Trial (control group only): People with chronic low back pain recruited from orthopedic rehabilitation centres; Germany; Secondary care; December 2008 ‐ April 2010
Sample size	105
Prognostic factor (type, measure(s) of individual recovery expectations)	GENERAL: Revised Illness Perceptions Questionnaire, timeline acute/chronic item (5 pts)
Notes	Funding Source: German Pension Insurance Conflict of Interest: Not reported