Table 1.

Search terms

Participants	Exposure	Outcome
Old*	Isolat*	Combat*
Senior*	Lone*	Tackl*
Elder*	Alone*	Reduc*
OAP	Social N2 exclus*	Decreas*
Aged	Social N2 alienat*	Lessen*
Aging	Bereave*	Preven*
Mature		Support*
Geriatric		Intervent*
Retire*

The search terms for each column was combined with OR. The result from each column was then combined with AND