Comparing accelerometer, pedometer and a questionnaire for measuring physical activity in bronchiectasis: a validity and feasibility study

Table 3 Physical activity (ActiGraph, pedometer and IPAQ) for participants

Physical Activity Instrument	Mean(SD)/Median (IQR)
ActiGraph (n = 55)
Steps per day	6,001(2780)^a
Total physical activity time(mins/day)	232(75)^a
Average times in different PA intensities^d (mins/day) unbouted (cpm)
Sedentary behaviour time	634(77)^b
Light physical activity time	207(63)
Total MVPA time	25(20)
Weekly bout-time	44(64)
MVPA₁₀₊ (mins/day)	6(9)^b
Pedometer (n = 50)
Daily step counts	6193 (3356)^a
Total physical activity time (mins/day)	63 (32)^a
IPAQ (n = 55)
Total PA level (MET-min/week)	2700 (1037–6209)^c
Walking (MET-min/week)	561 (165–1733)^c
Moderate (MET-min/week)	1620 (450–4230)^c
Vigorous (MET-min/week)	0 (0–480)^c
Sedentary behaviour time (mins/day)	360 (270–437)^c
	362(115) ^b
MVPA₁₀₊ (mins/day)	99 (43–251)^c 167(170) ^b

Abbreviations: cpm counts per minute, IPAQ International Physical Activity Questionnaire, MVPA moderate-vigorous physical activity, MVPA ₁₀₊ MVPA accumulated in ≥10-min bouts
^apedometer dimensions comparable to ActiGraph
^bIPAQ dimensions comparable to ActiGraph
Results are Mean(SD) or Freq [%] or ^cresults given as median (IQR)
^dActiGraph PA category Sedentary <5000, Low active 5000–7499, Somewhat active and above >7500 steps per day

ISSN: 1465-993X