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. 2022 Jan 28;9(1):e33114. doi: 10.2196/33114

Table 3.

Associations between personal and familial COVID-19 exposure, psychiatric symptoms, and daily smartphone use.

Averaged surveys for infections and hospitalization Values

No Yes P value
Personal COVID-19 infection



Total 36 6 N/Aa

Average PIU-SF-6b ≥15, n (%) 9 (25.0) 1 (16.7) .99

Average PHQ-8c ≥10, n (%) 13 (38.2) 3 (60.0) .63

Average GAD-7d ≥10, n (%) 9 (26.5) 2 (40.0) .61

Average daily screen time, mean minutes (SD) 356 (126) 548 (54) .01

Average daily social media time, mean minutes (SD) 166 (85) 221 (76) .26
Familial COVID-19 infection

Total 14 23 N/A

Average PIU-SF-6 ≥15, n (%) 3 (15.8) 7 (30.4) .31

Average PHQ-8 ≥10, n (%) 6 (35.3) 10 (45.5) .74

Average GAD-7 ≥10, n (%) 5 (29.4) 6 (27.3) .99

Average daily screen time, mean minutes (SD) 365 (102) 391 (156) .55

Average daily social media time, mean minutes (SD) 143 (72) 192 (89) .16
Familial COVID-19 hospitalization

Total 27 10 N/A

Average PIU-SF-6 ≥15, n (%) 7 (21.9) 3 (30) .68

Average PHQ-8 ≥10, n (%) 11 (37.9) 5 (50) .71

Average GAD-7 ≥10, n (%) 9 (31) 2 (20) .69

Average daily screen time, mean minutes (SD) 356 (136) 443 (119) .11

Average daily social media time, mean minutes (SD) 161 (89) 204 (68) .07

aN/A: not applicable.

bPIU-SF-6: Problematic Internet Use Short Form 6.

cPHQ-8: 8-item Patient Health Questionnaire.

dGAD-7: 7-item General Anxiety Disorder.