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Table 1 Features for usage sensor

From: Designing effective visualizations of habits data to aid clinical decision making

Feature

Description

Time in bed

The (first) time in bed (after 18:00)

Time out of bed

The (last) time out of bed (before 12:00)

Mean time

The mean time of being in bed (over accumulated period in bed)

Total period in bed

Total period between time in bed and time out of bed

Accumulated period in bed (or Occupancy)

Accumulation of all periods bed was occupied

Accumulated period out of bed

Accumulated periods bed was unoccupied between

time in bed and time out of bed

Continuity

Accumulated period in bed divided by Total period in bed