“…The number of studies on care recipient behavioural problems ranked highest (8 studies) Harwood, Ownby, Burnett, Barker, & Duara, 2000;Kramer, 1997;Liu & Huang, 2018;Pruchno & Patrick, 1999;Rapp & Chao, 2000;Smith, Onwumere, Craig, & Kuipers, 2018;Verbakel et al, 2018), among which five were on dementia, followed by patients with chronic disabilities (1 study), the general older adults (1 study) and psychosis (1 study). Seven studies were on care recipient functional status (Harvey, Burns, Fahy, Manley, & Tattan, 2001;Keir, Farland, Lipp, & Friedman, 2009;Liu & Huang, 2018;Pruchno & Patrick, 1999;Tsai & Pai, 2016;Verbakel et al, 2018), including social functioning and physical functioning, and care recipient disease severity (4 studies) (Kramer, 1997;Lee, Kim, Kim, Kim, & Sohn, 2018;Tsai & Pai, 2016;Yamamoto-Mitani et al, 2003).…”