RESULTS	At 12 months adjusted mean scores on the short mood and feelings questionnaire did not differ for cognitive behavioural therapy versus attention control ( -0.63 , 95 % confidence interval -1.85 to 0.58 , P = 0.41 ) or for cognitive behavioural therapy versus usual school provision ( 0.97 , -0.20 to 2.15 , P = 0.12 ) .\