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

Table 2 Assessment of minutes of MVPA per day and time spent in sedentary behaviour per day as measured by GPAQ and accelerometer at Time 1

Measurement tool	Median MVPA per day (mins)	Inter quartile range	T-test of difference	Median sedentary time per day (mins)	Inter quartile range	T-test of difference
Validation study (n = 65)
GPAQ	30	17-75	p = 0.073	300	180-435	p = 0.0001
Accelerometer	56	44-74	p = 0.073	696	617-751	p = 0.0001
Females (n = 34)
GPAQ	30	15-62	p = 0.048	240	180-360	p = 0.0001
Accelerometer	49.5	44-66	p = 0.048	660	613-719	p = 0.0001
Males (n = 31)
GPAQ	43	19-120	p = 0.544	360	180-480	p = 0.0001
Accelerometer	65	48-76		715	627-776

ISSN: 1471-2458