BMC Medical Research Methodology

Table 5 Spearman correlation coefficients for IPAQ (short version, last 7 days) with the VO_2max and ActiReg to assess criterion validity

From: Reliability and validity of the international physical activity questionnaire in the Nord-Trøndelag health study (HUNT) population of men

Variables
Measures	VO_2max	EE(MJ)¹⁾	PAL²⁾	METs³⁾1–3	METs³⁾ 3–6	METs³⁾6+
IPAQ short version (last 7 days)
Vigorous days/week	0.36**	0.07	0.08	0.01	0.03	0.09
Vigorous hours/day	0.40**	0.05	0.09	-0.04	0.09	0.05
Total IPAQ vigorous	0.41**	0.05	0.08	-0.02	0.08	0.07
Moderate days/week	0.15	0.21	0.17	-0.13	0.16	0.14
Moderate hours/day	0.18	0.17	0.11	-0.05	0.12	0.07
Total IPAQ moderate	0.19	0.16	0.14	-0.1	0.17	0.1
Walking days/week	0.18	0.05	0.08	-0.07	0.07	0.19
Walking hours/day	0.14	0.17	0.2	-0.17	0.17	0.23*
Total IPAQ walking	0.14	0.16	0.23*	-0.27*	0.26*	0.24*
Total IPAQ sitting	0.07	-0.25*	-0.35**	0.44**	-0.42**	0.31
IPAQ Mets min/week	0.30**	0.26*	0.29*	-0.32**	0.34**	0.15
3 PA categories	0.31**	0.19	0.24*	-0.31**	0.32**	0.16
BMI 3 categories	-0.42**	0.31**	0.45	-0.09	0.08	-0.08

* p < .05, ** p < .01.
¹⁾ average EE (MJ) per day
²⁾ PAL = average physical activity level in 7 days
³⁾ METs = average hours per day.
see http://www.ipaq.ki.se for full text
3 PA categories = classification of physical activity in three levels; "low" "moderate" and "high"
BMI 3 categories = Classification of BMI in three levels; "normal" (< 25 kg/m²), "overweight" (25–29.99) and "obese" (≥30 kg/m²)

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ISSN: 1471-2288

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