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Table 6 Phone app category features

From: Predicting subjective well-being in a high-risk sample of Russian mental health app users

Feature type

No of features

Example feature name

Description

Total time logged in category by a user

9

GAME

Total time logged in Game apps by a user

Total time logged in category in time period by a user

72

GAME_21-24

Total time logged in Game apps between 21 and 24 h by a user

Total time logged in category in time period/total time logged in category by a user

72

PHOTOGRAPHY_0-3/PHOTOGRAPHY

Ratio of time logged in Photography apps between 0 and 3 AM to total time logged in Photography apps by a user

Total time logged in category in time period/total time logged in time period by a user

72

EDUCATION + PRODUCTIVITY_15-18/15-18

Ratio of time logged in Education+Productivity apps between 15 and 18 h AM to total time logged in apps between 15 and 18 h AM by a user