Table 5.

Number of measurement days needed for 80%, 85% and 90% reliability when measuring sitting time and physical activity at work and in leisure time by using a thigh-born accelerometer (Actigraph)

	No. Days, 80% reliability	No. Days, 85% reliability	No. Days, 90% reliability
Work sit (min)	4.7	6.7	10.6
Work stand (min)	4.2	5.9	9.4
Work steps	4.0	5.7	9.0
Work MVPA (min)	4.2	5.9	9.4
Leisure sit (min)	5.5	7.8	12.4
Leisure stand (min)	4.7	6.7	10.6
Leisure steps	6.8	9.6	15.3
Leisure MVPA (min)	5.8	8.2	13.0
Total sit (min)	4.0	5.7	9.0
Total stand (min)	3.0	4.3	6.8
Total steps	5.3	7.5	11.9
Total MVPA (min)	5.1	7.2	11.5