Table 5 Full descriptions and supported operating systems of each mobile sensing category of a total of 27

From: Personalised modelling of routine variability and affective states

Category

Full Description

Operation System (OS)

vehicle

Activity duration in vehicle

All

bike

Activity duration on bike

All

foot

Activity duration on foot

Android only

running

Activity duration running

iOS only

still

Activity duration still (no movement)

All

walking

Activity duration walking

iOS only

audio_amp_mean

Mean audio amplitude

Android only

audio_amp_std

Standard deviation of audio amplitude

Android only

convo_duration

Duration of detected conversations

Android only

convo_num

Number of detected conversations

Android only

audio_voice

Ratio of detection of voice to number of inferences made during the period. Indicates, of all the inferences made during this specific period, the percentage with voice present (as opposed to noise).

Android only

call_in_duration

Duration of incoming call

Android only

call_in_num

Number of incoming calls

Android only

call_miss_num

Number of missed calls

Android only

call_out_duration

Duration of outgoing calls

Android only

call_out_num

Number of outgoing calls

Android only

light_mean

Light mean amplitude

Android only

light_std

Light amplitude standard deviation

Android only

loc_dist

Distance travelled

All

loc_max_dist_from_campus

Maximum distance travelled away from campus

All

loc_visit_num

Number of locations visited

All

other_playing_duration

This metric tracks the total length of audio sessions, including any form of audio-based media like music or video, being played on the phone. It tallies the cumulative time spent on audio playback.

iOS only

other_playing_num

This metric tracks the frequency of audio sessions, including any form of audio-based media like music or video, being played on the phone. It tallies the number of times audio was played.

iOS only

sms_in_num

Number of incoming SMS

Android only

sms_out_num

Number of outgoing SMS

Android only

unlock_duration

Average amount of time that a user uses the phone in unlocked state (i.e., total phone usage duration)

All

unlock_num

Number of lock/unlocks

All