Table 2.

Outcome variables

Outcome variable	Mean (SD)	Range (max-min)
FTF
Attention and concentration difficulties	3.75 (3.41)	18.00
Hyperactivity and impulsivity	3.98 (3.63)	18.00
Emotional/internalising symptoms	1.52 (1.79)	15.00
Emotional/externalising symptoms	2.83 (3.25)	21.00
SDQ
Hyperactivity	3.04 (2.34)	10.00
Emotional problems	1.38 (1.48)	9.00
Conduct problems	1.97 (1.59)	9.00
Peer problems	1.69 (1.38)	9.00

FTF, Five-to-Fifteen Questionnaire; SDQ, Strengths and Difficulties Questionnaire.