The validity and reliability of a home environment preschool-age physical activity questionnaire (Pre-PAQ)

Table 6 Comparison of the reliability and validity of Pre-PAQ with other young children's questionnaires validated using accelerometry (Actigraph)

Tool, age group	Reliability	Validation	Correlation
CAP Questionnaire [43]: self report	Three preferred activities:	Raw movt (total counts): -	r = 0.30
(4-9 years)	r = 0.41
	Test-retest interval: 2 weeks
CLASS [41]: proxy report	MVPA: ICC = 0.49	MPA: -	rho = -0.06
	VPA: ICC = 0.81	VPA: -	rho = -0.04
(5-6 years)	Total PA: ICC = 0.76 (frequency)	Total PA: -	rho = -0.04
		Raw movt. (counts.day^-1): -	rho = 0.05
	Percent agreement:
	MPA: 84.2		NS
	VPA: 58.6
	Total PA: 89.2
	Test-retest interval: 2 weeks
CPAQ [39]: proxy report	MVPA: ICC = 0.39	Mean level of agreement
(4-5 years)	Test-retest interval: 1 week	MVPA₁₉₅₂: -76.5 mins.wk^-1	r = -0.23
		MVPA₃₀₀₀ : -235.9 mins.wk^-1	r = -0.10
NPAQ [44]: proxy report	NPAQ_total κ = 0.39	VPA _{> 2818} (mins.day^-1): -	rho = 0.36
(Mean age in study: 5.7 years: age range not reported)	NPAQ_total rho = 0.61	Total PA (counts.min^-1): -	rho = 0.33
	NPAQ_total R = 0.70
	Test-retest interval: 2-8 weeks
Pre-PAQ: proxy report		Mean level of agreement
(3-5 years)	Stationary: ICC = 0.44	Stationary: 7.6 mins.day^-1	r = 0.25*
	Slow PA: ICC = 0.53	SED_Sirard: -266.5 mins.day^-1	r = 0.21
	Mod PA: ICC = 0.44	SED_Reilly: -208.6 mins.day^-1	r = 0.28*
	Fast PA: ICC = 0.64	LPA_Sirard: -4.8 mins.day^-1	r = -0.07
	Mod-Fast PA: ICC = 0.54	MPA_Sirard: 48.2 mins.day^-1	r = 0.13
	Slow-Fast PA: ICC = 0.61	VPA_Sirard: 1.9 mins.day^-1	r = 0.17
	Test-retest interval: 1-2 weeks	MVPA_Sirard: 50.1 mins.day^-1	r = 0.17
		LMVPA_Sirard: 45.3 mins.day^-1	r = 0.05
		Non-SED_Reilly: 20.9 mins.day^-1	r = 0.16
			*P < 0.05

CAP Questionnaire = Children's Activity Picture Questionnaire, CLASS = Children's Leisure Study Survey, CPAQ = Children's Physical Activity Questionnaire, Pre-PAQ = Preschool-aged Children's Physical Activity Questionnaire, NPAQ = The Netherlands Physical Activity Questionnaire for Young Children, MPA = moderate physical activity, VPA = vigorous physical activity, SED = sedentary level of activity, SED_Reilly ; sedentary level of activity using Reilly et al cut-point, SED_Sirard ; sedentary level of activity using Sirard et al cut-point, LPA = light physical activity, LPA_Sirard ; light physical activity using Sirard et al cut-point, MPA_Sirard = moderate physical activity using Sirard et al cut-point, MVPA = moderate-vigorous physical activity, MVPA₁₉₅₂ = MVPA using 1952 counts.min^-1 as cut-point, MVPA₃₀₀₀ = MVPA using 3000 counts.min^-1 as cut-point, VPA_Sirard = vigorous physical activity using Sirard et al cut-point, LMVPA = light-moderate-vigorous physical activity, LMVPA_Sirard = light-moderate-vigorous physical activity using Sirard et al cut-point, Non-SED_Reilly = non-sedentary activity using Reilly et al cut-point, rho/r = correlation, P = p-value, NS = not significant.

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