We conducted a semi-structured interview with each participant.
All interviews were conducted over the phone and
lasted about 20 minutes. We began by asking participants
for demographic information such as gender and age. Then,
we asked questions in the following categories: (1) context
and frequency of mobile device use, (2) types of information
accessed on mobile devices, (3) use of passwords on mobile
devices, (4) use of headphones, and (5) use of screen occlusion
techniques