Validity of the Global Physical Activity Questionnaire (GPAQ) in assessing levels and change in moderate-vigorous physical activity and sedentary behaviour

Table 4 Sedentary behaviour (min/day): Spearman’s rho coefficient correlations for the GPAQ vs accelerometer

Sample	n	Variables	Time point	Spearman’s rho coefficient (r)	Pvalue
Criterion validity
Overall sample*	65	GPAQ vs. Accelerometer (mins/ day)	Time point one	0.187	0.135
Females	34			0.378	0.027
Males	31			−0.053	0.778
Extent of change
Overall sample**	22	Change between T1 and T2:	Time point one vs. Time point two	−0.024	0.916
		GPAQ vs. accelerometer (mins/day SB)

*Overall sample that had valid accelerometer wear time (validation study; T1) (65/95).
**Overall sample that had valid accelerometer wear time (T1 and T2) (22/41).

ISSN: 1471-2458