Table A1.

Coding of the variables of the NMP-Q questionnaire.

Code	Variable
NMF_1	I would be worried about not being able to communicate at the time with my family and/or friends
NMF_2	I would be worried about my family and/or friends not being able to contact me
NMF_3	I would be worried about not being able to receive text messages or calls
NMF_4	I would be worried about not being able to keep in touch with my family and/or friends
NMF_5	I would be nervous about not being able to know if someone had tried to contact me
NMF_6	I would be worried about not being in constant contact with my family and/or friends
NMF_7	I would be nervous about being disconnected from my virtual identity
NMF_8	I would feel bad about not being able to keep up with what is going on in the media and social networks
NMF_9	I would feel uncomfortable about not being able to check the notifications about my virtual connections and networks
NMF_10	I would be overwhelmed by not being able to check if I have new emails
NMF_11	I would feel weird because I wouldn’t know what to do
NMF_12	I would feel bad if I couldn’t access information on my smartphone at any time
NMF_13	I would be upset if I couldn’t check information on my smartphone when I wanted to
NMF_14	I would be nervous if I couldn’t access the news (p. I would be nervous if I couldn’t access the news (e.g., events, weather forecasts, etc.) through my smartphone
NMF_15	I would be upset if I couldn’t use my smartphone and/or its applications when I wanted to
NMF_16	I would be scared if my smartphone ran out of battery
NMF_17	I would be upset if I was about to run out of credit or reach my monthly spending limit
NMF_18	If I ran out of data signal or couldn’t connect to a Wi-Fi network, I’d be constantly checking to see if I got a signal or found a network
NMF_19	If I couldn’t use my smartphone, I’d be afraid I’d get stuck somewhere
NMF_20	If I couldn’t check my smartphone for a while, I’d feel like doing it