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. 2020 Sep 30;23(4):161–166. doi: 10.1136/ebmental-2020-300180

Table 1.

Properties of each study including length of study, N, ecological momentary assessments (EMAs) collected and passive data streams collected

Authors Year New data set Focus N Duration EMA type EMA Accelerometer App usage Battery/charge Browser history Bluetooth Call logs Camera events Screen Location Light sensor Microphone SMS/Email Lock/unlock
Wang et al 8 2017 ✓ Mental health 48 10 weeks Survey 8/day (avg) ✓       ✓       ✓ ✓ ✓    
Chow et al 14 2017 ✓ Social anxiety 63 2 weeks Survey 6/day (avg)                 ✓        
Wang et al 23 2018 ✓ Depression 83 9 weeks PHQ-4 1/week ✓               ✓ ✓ ✓   ✓
Sano et al 15 2015 ✓ GPA, sleep, stress 66 1 month Survey 2/day ✓         ✓   ✓ ✓     ✓  
Boukhechba et al 16 2018 ✓ Mental health 72 2 weeks Survey 7/day ✓         ✓     ✓     ✓  
Boukhechba et al 31 2018 ✓ Social anxiety 228 2 weeks N/A N/A                 ✓        
DaSilva et al 30 2019 ✓ Stress 72 43 days MPSM 1/day ✓             ✓ ✓ ✓ ✓   ✓
Xu et al 24 2019 ✓ Depression 350 106 days N/A N/A ✓   ✓   ✓ ✓   ✓ ✓       ✓
Abdullah et al 17 2014 ✓ Sleep 9 97 days Sleep journal 1/day   ✓   ✓   ✓   ✓ ✓     ✓  
Doryab et al 25 2019 ✓ Loneliness 160 16 weeks N/A N/A ✓       ✓ ✓   ✓ ✓   ✓ ✓ ✓
Jacques et al 18 2015   Happiness 68 1 month survey 2/day ✓         ✓   ✓ ✓     ✓  
Vhaduri et al 12 2016   Activity 195 Three semesters N/A N/A                 ✓        
Lane et al 13 2014 ✓ Sleep, physical activity, social activity 27 19 days N/A N/A ✓                   ✓    
Gong et al 32 2019 ✓ Social anxiety 52 2 weeks N/A N/A ✓         ✓     ✓     ✓  
Huang et al 28 2016 ✓ Social anxiety 18 10 days N/A N/A                 ✓        
Boukhechba et al 33 2017 ✓ Social anxiety 54 2 weeks N/A N/A           ✓     ✓     ✓  
Asselbergs et al 34 2016 ✓ Mood 27 35.5 days (avg) eMate 5/day ✓ ✓       ✓ ✓ ✓       ✓  
Wang et al 27 2015   GPA 48 10 weeks survey 8/day (avg) ✓ ✓     ✓       ✓ ✓ ✓    
Jacobson et al 19 2020 ✓ Social anxiety 59 2 weeks N/A N/A ✓         ✓           ✓  
Marquet et al 26 2018 ✓ Physical activity 74 1 week survey 3/day ✓                        
Ben-Zeev et al 29 2015 ✓ Mental health 47 10 weeks Survey 5/week ✓             ✓ ✓ ✓ ✓   ✓
Singh et al 20 2016 ✓ Cooperation 54 10 weeks N/A N/A           ✓     ✓     ✓  
Saeb et al 10 2016   Depression 48 10 weeks N/A N/A                 ✓        
Lee et al 21 2016 ✓ Problematic phone usage 95 27 days N/A N/A   ✓   ✓   ✓   ✓       ✓ ✓
Stütz et al 22 2015 ✓ Stress 15 2 weeks Survey 7/day ✓ ✓       ✓   ✓   ✓ ✓ ✓  

GPA, Grade point average; MPSM, Mobile photographic stress meter; N, Number of participants in the study; PHQ, Patient health questionnaire; SMS, Short message service.