Validity of a two-item physical activity questionnaire for assessing attainment of physical activity guidelines in youth

Table 3 Spearman rho correlations between self-reported and accelerometry recorded physical activity levels

		Self-reported PA^a
	(n)	MVPA (mins/day)^b	Total PA (CPM)^c
≥5 valid accelerometer days
Total	235	0.34**	0.33**
Sex
Male	97	0.27**	0.25*
Female	138	0.39**	0.38**
School level
Primary	87	0.24*	0.25*
Post primary	148	0.39**	0.36**
Seven valid accelerometer days
Total	77	0.27*	0.30**
Sex
Male	28	0.10	0.16
Female	49	0.40**	0.41**
School level
Primary	28	−0.12	−0.10
Post primary	49	0.39**	0.39**

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