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Table 2 Description of simulations performed on a subset of highly adherent subjects (24 HR; n = 35).

From: Estimates of adherence and error analysis of physical activity data collected via accelerometry in a large study of free-living adults

Simulation

# of Simulations/subject

Description

A1

7

sleeping hours replaced with 0s

B1

7

sleeping hours deleted (waking hours only)

C1

7

sleeping hours replaced with a constant (23.1)

A2

133

A1 plus replacing missing waking hours with 0s

B2

133

B1 plus replacing missing waking hours with 0s

C2

133

C1 plus replacing missing waking hours with 0s

D

133

C1 plus imputing values for missing waking hours