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Table 11 Predictive features in WHO-5 scale

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

Feature type

Feature

Translation/Description

Coefficient

AppCats

GAME_3-6/GAME

Ratio of time logged in Game apps between 3 and 6 h AM to total time logged in Game apps

−5

ENTERTAINMENT_3-6/ENTERTAINMENT

Ratio of time logged in Entertainment apps between 3 and 6 h AM to total time logged in Entertainment apps

4

HEALTH+MEDICAL_3-6/HEALTH+MEDICAL

Ratio of time logged in Health + Medical apps between 3 and 6 h AM to total time logged in Health + Medical apps

3

PERSONALIZATION_0-3/0-3

Ratio of time logged in Personalization apps between 0 and 3 h AM to total time logged in apps between 0 and 3 h AM

−4

EDUCATION + PRODUCTIVITY_9-12/EDUCATION + PRODUCTIVITY

Ratio of time logged in Education + Productivity apps between 9 and 12 h AM to total time logged in Education + Productivity apps

−3

TOOLS_18-21/18-21

Ratio of time logged in Tools apps between 18 and 21 h PM to total time logged in apps between 18 and 21 h PM

−3

SOCIAL + COMMUNICATION + DATING_3-6/SOCIAL + COMMUNICATION + DATING

Ratio of time logged in Social + Communication + Dating apps between 3 and 6 AM to total time logged in Social + Communication + Dating app

7

GAME_9-12/GAME

Ratio of time logged in Game apps between 9 and 12 h AM to total time logged in Game apps

2

OTHER_3-6/OTHER

Ratio of time logged in Other apps between 3 and 6 h AM to total time logged in Other apps

−2

ENTERTAINMENT_9-12/ENTERTAINMENT

Ratio of time logged in Entertainment apps between 9 and 12 h AM to total time logged in Entertainment apps

2

PHOTOGRAPHY_0-3/PHOTOGRAPHY

Ratio of time logged in Photography apps between 0 and 3 h AM to total time logged in Photography apps

−2

EDUCATION + PRODUCTIVITY_21-24/EDUCATION + PRODUCTIVITY

Ratio of time logged in Education + Productivity apps between 21 and 24 h PM to total time logged in ducation + Productivity apps

−2

RuLIWC

Bio_RuLIWC

Words related to Biological processes in RuLIWC

−20

Words

(face-blowing-a-kiss_emoji)_UNKN

(face-blowing-a-kiss_emoji)

35

но_CONJ

but_CONJ

−16

Activity

AppUsage9-12Ratio

Ratio of phone app usage time between 9 and 12 AM normalized by total app usage time

7

Sentiment

Negative_month

negative sentiment in the last month

−33

Negative_year

negative sentiment in the last year

−29

Negative_all

negative sentiment in overall messages

−23