Table 1.

Summary of factor analysis of WDEQ

Article	Language	Type of analysis	Number of factors	Number of items	Factor labels
Johnson & Slade [10]	English	EFA	4	30	Fear, Isolation, Lack of positive anticipation, Riskiness
Fenwick et al. [14]	English	EFA	4	33	Fear, Isolation, Lack of positive anticipation, Riskiness
Garthus-Niegel et al. [16]		CFA	6	25	Fear, Negative appraisal, Loneliness, Lack of self efficacy, Lack of positive anticipation, Concerns for the child
Takegata et al., [16]	Japanese	EFA	4	33	Fear, Lack of positive anticipation, Isolation, Riskiness
Fenaroli et al., [9]	Italian	EFA	4	16	Fear, Negative feelings, Lack of confidence, Negative thoughts
Fenaroli et al., [9]	Italian	CFA	3	14	Fear, Negative feelings, Lack of confidence
Lukasse et al. [12]	Norwegian Swedish Danish Estonian Flemish Icelandic Russian	EFA	6	33	Fear, Negative appraisal, Loneliness, Lack of self efficacy, Lack of positive anticipation, Concerns for the child