Table 4. Themes and codes.

Themes	Codes
Perceptions of mobile digital tools	Knowledge and use of digital tools Purposes and utilities Privacy Perceptions
Perceptions on social networks	Usage Opinions: risk of fraud; use by children Socialization
Benefits and risks of social tools and social networks	Influence on social relationships Internet addiction Network-related problems New ways of communication News and information
Relationship between technology and mental health	Influence on mental health Improving psychological well- being