Table 1.

Internal consistency of the Dutch translations of the questionnaires used to measure child determinants

Outcomes measure	Age group	Questionnaire	Cronbach’s alpha	Reference
Mental health	Parent proxy	CBCL	.97	Verhulst, [36]
Quality of life	12–16	PedsQL	.85	Engelen et al. [34]
	8–11	PedsQL	.82	Engelen et al. [34]
	5–7	PedsQL	.85	Engelen et al. [34]
Perceived social support	12–16	SSL youngster version	.78	Hoefnagels et al., [38]
	8–11	PSSQ8-11	.73	Snoeren & Hoefnagels, [39]
	5–7	PSSQ subscale negative interactions	.57	Internal report (unpublished)
Perceived stress	12–16	MUSIC	.85	Hoefnagels et al. [38].
	8–11	PSQ8-11	.85	Snoeren & Hoefnagels, [39]
	5–7	PSQ5-7	.60	Internal report (unpublished)
Coping	12–16	CISS	.82 - .87	Evers et al. [60]
	8–11	CSLK	.72 - .88	Boo & Wicherts. [61]
Self-esteem	12–16	CBSA	.66 - .88	Treffers et al. [45]
	8–11	CBSK	.74	Veerman et al. [46]