Table 2.

Methodological quality in each study by measurement property (COSMIN Checklist)

STUDY	LANGUAGE	INTERNAL CONSISTENCY	RELIABILITY	CONSTRUCTION VALIDITY	MEASUREMENT ERROR	CONTENT VALIDITY	STRUCTURAL VALIDITY	HYPOTHESIS TEST	CROSS-CULTURAL VALIDITY	VALIDITY OF CRITERIA	RESPONSIBILITY
Sanders et al. (16)	English	Doubtful	Inadequate	Doubtful		Inadequate	Inadequate
Carreon et al. (17)	English	Very good	Inadequate	Inadequate			Inadequate
Misterka; Glowack; Harasymczuk (24)	Polish	Very good	Inadequate				Inadequate		Inadequate
Roy-beaudry et al. (29)	French Canadian	Doubtful	Inadequate	Adequate			Inadequate		Inadequate
Wei et al. (25)	Simplified Chinese	Doubtful	Inadequate	Adequate			Inadequate		Inadequate
Matamalas et al. (30)	European Spanish	Very good	Doubtful	Doubtful			Inadequate		Inadequate
Simony et al. (31)	Danish	Very good	Inadequate	Doubtful			Inadequate		Inadequate
Guo et al. (26)	Traditional Chinese	Very good	Doubtful	Very good			Doubtful		Doubtful
Rosendo et al. (32)	Portuguese (Brazil)	Inadequate	Inadequate				Inadequate		Inadequate
Lee et al. (33)	Korean	Inadequate	Adequate	Adequate			Inadequate		Inadequate
Thielsch et al. (27)	German	Very good	Inadequate	Doubtful			Inadequate		Doubtful
Yapar et al. (28)	Turkish	Very good	Inadequate	Doubtful			Inadequate		Inadequate
Babaee et al. (9)	Persian	Very good	Inadequate	Very good			Inadequate		Doubtful