Resumen:
Adolescents’ addictive use of social media and the internet is an increasing concern
among parents, teachers, researchers and society. The purpose was to examine the contribution
of body self-esteem, personality traits, and demographic factors in the prediction of adolescents’
addictive use of social media and the internet. The participants were 447 Spanish adolescents aged
13−16 years (M = 14.90, SD = 0.81, 56.2% women). We measured gender, age, body self-esteem (body
satisfaction and physical attractiveness), personality traits (extraversion, neuroticism, disinhibition and
narcissism) and social networking and internet addiction (internet addiction symptoms, social media
use, geek behaviour, and nomophobia). The effects of gender, age, body self-esteem and personality
on the different dimensions of internet addiction were estimated, conducting hierarchical linear
multiple regression analysis and a fuzzy-set qualitative comparative analysis (fsQCA). The results
evidenced different pathways explaining four types of adolescents’ internet addiction: gender and
disinhibition were the most relevant predictors of addiction symptoms; gender combined with
physical attractiveness best explain...