Table 2:

Descriptive statistics for device-measured physical activity, sedentary time, quality of life, and fatigue in AMBER cohort study participants, 2012–2019 (N=1,422)

Variable	Mean (SD)	Median	IQR
Physical activity
Actigraph valid days*	5.5 (1.4)	-	-
Actigraph weartime (hours/day)	14 (1.2)	-	-
Light-intensity physical activity hours/day	4.4 (1.2)	4.3	1.6
Moderate-intensity physical activity hours/day	0.86 (0.48)	0.78	0.57
Vigorous-intensity physical activity hours/day	0.16 (0.18)	0.1	0.19
MVPA
Hours per day	1.02 (0.57)	0.92	0.71
Hours per day accumulated in 10- minute bouts	0.3 (0.33)	0.19	0.4
Sedentary time
activPAL™ valid days**	5.9 (1.5)	-	-
activPAL™ weartime	14.2 (1.2)	-	-
Daily steps	7,384 (3,114)	6,983	3,974
Sedentary hours/day	8.9 (1.6)	9	2.2
Health-related quality of life and fatigue
Physical composite score	49.3 (7.5)	49.9	10.6
Mental composite score	47.8 (10.3)	50	14
Fatigue Scale (0–52)	39.2 (9.9)	42	14
SF-36v2 domains
Physical function	83.7 (17.2)
Role-physical	61.1 (27.3)
Bodily pain	65.6 (23.5)
General health	72.9 (17.4)
Vitality	57.4 (19.7)
Social functioning	70.9 (24.1)
Role-emotional	77.9 (24.4)
Mental health	71.87 (17.0)

Data are presented as the mean (SD: standard deviation), median, and interquartile range (IQR).

Abbreviations: MVPA, moderate and vigorous intensity physical activity.

^*N=1409 (Actigraph^®);

^**N=1396 (activPAL^™).