Table 4.

Summary of different types of intervention and results: objective and subjective social isolation

Type of intervention	Comparison	Outcomes for subjective isolation	Outcomes for objective isolation
Changing cognitions	Intervention versus TAU or no treatment	2/4 studies found significant positive results	1/2 studies found significant positive results
	two or more active treatments	0/2 studies found significant positive results for one form of intervention over others	N/A
Social skills training and/or psychoeducation	Intervention versus TAU or no treatment	0/3 studies found significant positive results	1/2 studies found significant positive results
	Two or more active treatments	1/1 studies found significant positive results for one form of intervention over others	N/A
Supported socialisation	Intervention versus TAU or no treatment	1/2 studies found significant positive results	1/1 studies found significant positive results
	Two or more active treatments	0/1 studies found significant positive results for one form of intervention over others	1/1 studies found significant positive results for one form of intervention over others
Wider community approaches	Intervention versus TAU or no treatment	N/A	N/A
	Two or more active treatments	N/A	N/A
Mixed approaches (interventions with mixed components)	Intervention versus TAU or no treatment	0/5 studies found significant positive results	3/4 studies found significant positive results
	2 or more active treatments	0/1 studies found significant positive results for one form of intervention over others	0/4 studies found significant positive results for one form of intervention over others