Study	Reason for exclusion
Abraham 1992	Participants did not fulfil criteria for a diagnosis of dementia Cognitive impairment was measured and defined by scores < 80 on the Modified Mini‐Mental State Examination (3MS) (Teng 1987)
Beck 2002	Intervention does not meet criteria for a psychological intervention Intervention based on psychosocial activities (i.e. drawings, life review). Outcomes based on direct observations of PwD
Brodaty 2003	Intervention does not meet criteria for a psychological intervention Multi‐component case management approach
Cheston 2003	This study was not conducted as a RCT Feasibility study of a 10 week psychotherapy group aimed at reducing depression in people with dementia
Dartigues 2008	Intervention does not meet criteria for a psychological intervention RCT of cognitive training, and reminiscence therapy. Control group received psychoeducation for carers
Finnema 2005	Intervention does not meet criteria for a psychological intervention RCT evaluating an emotion oriented care program acknowledging residents' experiences
Fischer‐Terworth 2011	Intervention does not meet criteria for a psychological intervention A TEACCH (Treatment and Education of Autistic and related Communication handicapped Children)‐based cognitive‐behavioural and environmental intervention. This study was not conducted as an RCT and the control group received occupational therapy
Fossey 2006	Intervention does not meet criteria for a psychological intervention Cluster RCT of training and support to nursing home staff for managing agitation
Garland 2007	Intervention does not meet criteria for a psychological intervention Intervention primarily targeted agitated behaviour. This study was not conducted as an RCT
Helcer 2012	Intervention does not meet criteria for a psychological intervention RCT of memory training (MT), or CBT in conjunction with MT targeting hopelessness in PwD
Hinchliffe 1997	Intervention does not meet criteria for a psychological intervention RCT of an intervention helping carers to cope with specific problem behaviours
Hyer 2008	Participants did not fulfil criteria for a diagnosis of dementia Cognitive decline measured and defined by the MMSE (Folstein 1975). RCT of CBT in residents with depression in long‐term care
Joosten‐Weyn Banningh2011	This study was not conducted as an RCT Intervention was psychoeducation, cognitive rehabilitation in conjunction with CBT in people with MCI
Kiosses 2010	Participants did not fulfil criteria for a diagnosis of dementia Older adults with depression, cognitive decline, and disability. 23.3% had probable or definite dementia. RCT comparing PATH (problem‐solving therapy) to supportive therapy. No eligible control or comparison group
Kiosses 2011	Participants did not fulfil criteria for a diagnosis of dementia Cognitive impairment measured and defined by scores 90 ‐ 133 inclusive on the Dementia Rating Scale (DRS). RCT comparing PATH (problem‐solving therapy) to supportive therapy. No eligible control or comparison group
Kolanowski 2011	Intervention does not meet criteria for a psychological intervention RCT of an activities‐based intervention in reducing agitation in nursing home residents with dementia
Konnert 2009	Participants did not fulfil criteria for a diagnosis of dementia Cognitive decline measured and defined by scores < 21 on the MMSE. RCT of a CBT intervention in nursing home residents at risk of depression
Kurz 2012	Intervention does not meet criteria for a psychological intervention RCT of cognitive rehabilitation with CBT elements
Laakkonen 2012	Intervention does not meet criteria for a psychological intervention RCT of self‐management for PwD based on a rehabilitation model
Lam 2010	Intervention does not meet criteria for a psychological intervention RCT of skills training occupational therapy with CBT elements
Lichtenberg 2005	Intervention does not meet criteria for a psychological intervention Intervention of behavioural activities delivered by nursing home assistants in dementia care units
Logsdon 2010	Intervention does not meet criteria for a psychological intervention RCT of support groups for PwD that did not follow a psychological model (can not be described as a supportive therapy intervention)
McSweeney 2012	Intervention does not meet criteria for a psychological intervention Cluster RCT of a multidisciplinary specialist mental health consultation for depression in dementia provided to care staff
Mittelman 1996	Intervention does not meet criteria for a psychological intervention RCT of counselling and support for caregivers to delay nursing home placement in PwD
Onor 2007	Intervention does not meet criteria for a psychological intervention RCT of a multimodal rehabilitation program of cognitive stimulation therapy and psychoeducation for carers
Prick 2011	Intervention does not meet criteria for a psychological intervention RCT of home‐based physical exercise for people with dementia and their carers
Proctor 1999	Intervention does not meet criteria for a psychological intervention RCT of a staff training and educational programme in residential care
Rovner 2012	Intervention does not meet criteria for a psychological intervention RCT of a Behavioural Activation (BA) program to prevent cognitive decline in MCI. No eligible control or comparison group
Selbaek 2010	Intervention does not meet criteria for a psychological intervention Staff nursing training program based on CBT. This study was not conducted as an RCT
Teri 2003	Intervention does not meet criteria for a psychological intervention RCT of home‐based exercise combined with caregiver training for delaying institutionalisation in PwD
Vespa 2002	Intervention does not meet criteria for a psychological intervention Evaluation of a creative activities‐based therapy in reducing anti‐social behaviour in PwD
Yesavage 1981	Participants did not fulfil criteria for a diagnosis of dementia. This study was not conducted as a RCT. No eligible control or comparison group