Table 3.

Quality appraisal

Scale	Study	Internal consistency		Reliability	Content validity	Structural validity	Cross-cultural validity
		subscales	total scale
PCHCOA	Dow et al., 2013	–	+	NR	+	+	NA
PCCC	Hwang, 2015	+	+	–	–	+	NA
GCES	Kim et al., 2007	+	+	NR	+	+	NR
SEPCQ	Zachariae et al., 2015	+	+	+	–	+	NA
PC-PAL (staff version)	Zimmerman et al., 2015	+	+	+	–	+	NA
PCC	Sidani et al., 2014	NR	NR	NR	+	–	NA
ICI original	Chappell et al., 2007	–	NR	+	+	–	NA
ICI	O’Rourke et al., 2009	+	NR	NR	NA	+	NR
PCQ-S Swedish original	Edvardsson et al., 2009	+	+	–	+	+	NA
PCQ-S English	Edvardsson et al., 2010	–	+	–	NA	+	+
PCQ-Norwegian	Bergland et al., 2012	+	+	–	NA	+	+
PCQ-S Swedish	Edvardsson et al., 2015	+	+	NR	NA	NR	NR
P-CAT English original	Edvardsson et al., 2010	–	+	–	+	+	NA
P-CAT Norwegian	Rokstad et al., 2012	+	+	+	NA	–	NR
P-CAT Swedish	Sjögren et al., 2012	+	+	–	NA	–	NR
P-CAT Chinese	Zhong et al., 2013	–	–	NR	NA	+	NR
P-CAT Spanish	Martínez et al., 2016	NR	+	+	NA	–	–
PDC English original	White et al., 2008	+	NR	NR	+	+	NA
PDC American	Sullivan et al., 2012	+	NR	NR	NA	NR	NR
PDC Korean	Choi & Lee, 2014	–	+	NR	NA	+	+
ICS-Nurse Finnish original	Suhonen et al., 2010	+	+	+	+	+	NA
ICS-nurse Swedish	Berg et al., 2012	+	NR	NR	NA	+	+

Note: NR not reported, NA not applicable