Figure 1From: Treatment compliance and effectiveness of a cognitive behavioural intervention for low back pain: a complier average causal effect approach to the BeST data set Attendance at cognitive behavioural intervention sessions by compliers and non-compliers. Number of compliers (n = 294) and non-compliers (n = 174) in the CBI group (n = 468) attending each cognitive behavioural intervention session with a maximum of six sessions plus the initial individual assessment.Back to article page