Comparison 2. Functional analysis versus usual care ‐ primary outcomes at follow‐up.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Incidence of problem behaviours ‐ family care only at 6 month follow‐up	2	436	Std. Mean Difference (IV, Fixed, 95% CI)	0.08 [‐0.11, 0.27]
2 Frequency of problem behaviours at 6 month follow‐up	4	627	Std. Mean Difference (IV, Fixed, 95% CI)	0.00 [‐0.16, 0.16]
3 Frequency of problem behaviours at 12 month follow‐up	3	266	Std. Mean Difference (IV, Fixed, 95% CI)	0.02 [‐0.22, 0.27]
3.1 Family care	3	266	Std. Mean Difference (IV, Fixed, 95% CI)	0.02 [‐0.22, 0.27]