Validation of the historical adulthood physical activity questionnaire (HAPAQ) against objective measurements of physical activity

Table 2 Validity of HAPAQ: HAPAQ-derived physical activity measurements, Spearman and intraclass correlations with objective physical activity measurements and the median biases from agreeement analysis

	HAPAQ-derived measurements		Spearman correlation	Intraclass correlation coefficient^c	HAPAQ biases
	Median	IQR			Median	IQR
Proportion time spent in VPA (%)	0.01	1.32	0.40***	0.24**	-0.26	1.59
Total reported PAEE (kJ/min)^a	2.91	2.66	0.44***	0.01	-2.80	4.24
Total reported PAEE (kJ/min)^b	5.90	2.28	0.48***	0.39***	-0.16	3.50

ISSN: 1479-5868