Table 1 Number of participants meeting valid day requirements according to valid day definitions
From: Reliable measures of rest-activity rhythm fragmentation: how many days are needed?
N valid days | Scenario 1: Accelerometer wear time ≥ 2/3 of the entire day* | % | Scenario 2: Accelerometer wear time ≥ 2/3 of both day and night periods | % | Scenario 3: Accelerometer worn during the entire day | % |
|---|---|---|---|---|---|---|
1 | 4100 | 99.9 | 4097 | 99.8 | 4093 | 99.7 |
2 | 4093 | 99.7 | 4084 | 99.5 | 4064 | 99.0 |
3 | 4074 | 99.3 | 4067 | 99.1 | 4034 | 98.3 |
4 | 4054 | 98.8 | 4046 | 98.6 | 3978 | 96.9 |
5 | 4020 | 98.0 | 4012 | 97.8 | 3854 | 93.9 |
6 | 3985 | 97.1 | 3974 | 96.8 | 3571 | 87.0 |
7 | 3867 | 94.2 | 3832 | 93.4 | 2859 | 69.7 |