Table 1 Inclusion and exclusion criteria

Study

population

• Taiwanese over 18 years old living in Taiwan

• Participants are family members or significant others of the deceased

• The relationship to the deceased: spouse, parents, adult children, sibling, significant other, partner

• The bereavement caused by the death of a child

Study topic

• Studies focused on the experience of having lost a relative or significant other from an expected death, trying to adapt to the relative’s or significant other’s death or the process of grieving and mourning

• Studies focused on developing bereavement measurements or interventions

• Unexpected death such as COVID-19, violence, accidents, disaster, suicide, and murder

Type of evidence

• Primary research

• Peer-reviewed journal articles

Language

• English, traditional Chinese