Table 1 Inclusion and exclusion criteria

One of the following answer categories of the variable ‘living situation of the person with dementia’:

• Cohabiting with spouse/partner in same household

• Living alone in own household

• Cohabiting with adult children (in-law) in same household

• In a relative’s place but in own independent household

• Cohabiting with other relative in same household

• Living alone in own household with live-in carer

One of the following answer categories of the variable ‘living situation of the person with dementia’:

• Shared flat for persons with dementia

• Assisted living facility

• Nursing home

• Missing value

One of the following answer categories of the variable ‘kinship relation between the person with dementia and the carer’:

• Spouse

• Child

• Child-in-law

• Grandchild

• Other family member

• Friend

• Neighbour

One of the following answer categories of the variable ‘kinship relation between the person with dementia and the carer’:

• Professional carer

• Legal guardian

• Missing value

Complete cases regarding the active variables

Missing values regarding the active variables