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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Drug Alcohol Depend. 2020 Apr 26;212:108017. doi: 10.1016/j.drugalcdep.2020.108017

Table 3.

Reported high frequency engagement in each digital media activity by subcategory, for each wave

Endorsement of Activity (%)
Baseline 6 month 12 month
Social Media Postinga No high frequency engagement 85.0 83.6 82.9
High frequency engagement in 1 activity 9.1 10.3 10.6
High frequency engagement in 2 activities 6.0 6.1 6.5
Reading news/articles & Browsing photos No high frequency engagement 49.2 47.5 45.8
High frequency engagement in 1 activity 33.9 34.8 37.6
High frequency engagement in 2 activities 16.9 17.7 16.6
Chat & Shopping No high frequency engagement 84.4 83.0 83.4
High frequency engagement in 1 activity 12.3 12.1 12.7
High frequency engagement in 2 activities 3.3 4.9 3.9
Gaming No high frequency engagement 77.7 74.1 77.8
High frequency engagement in 1 activity 10.7 12.9 10.6
High frequency engagement in 2 activities 11.7 13.0 11.6
Checking In No high frequency engagement 31.1 30.1 26.3
High frequency engagement in 1 activity 31.1 28.7 27.8
High frequency engagement in 2 activities 37.9 41.2 45.9
Musicb No high frequency engagement 61.1 59.8 57.3
High frequency engagement in 38.9 40.2 42.7
a

A unique variable for each digital media subcategory was created. For each of the first 5 subcategories, high frequency engagement of one or both of the activities was reported using three levels (0= no high frequency engagement, 1= high frequency engagement in 1 activity, 2= high frequency engagement in 2 activities).

b

The final subcategory, “music”, was dichotomized (0= no high frequency music engagement, 1= high frequency engagement with music).