Table 1.

Level of penetration of mobile devices as a function of ownership, use and access of mobile devices.

Level of penetration	Characteristics of the level based on ownership, use, and access to mobile devices
L1: There is no effective incorporation	The subject does not have a mobile device
L2: Technological backwardness	The subject has a mobile device that does not allow access to Internet
L3: Lagging due to lack of knowledge or interest/potential access	The subject has a mobile device which allows access to Internet, although s/he decides not to access
L4: Effective incorporation	The subject has a mobile device which allows access to Internet and s/he does it.