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Predicted mean WSAS by assessment time point and trial arm
Data are mean (95% CI). Predictions are made from the respective analysis models fitted by multiple imputation with baseline set to the sample average value (WSAS score 12·5) and for the site from which most participants were recruited (general practitioners in Southampton). The possible range for WSAS is 0–40. CBT=Cognitive behavioural therapy. WSAS=Work and Social Adjustment Scale. TAU=treatment as usual.
