title: [Smartphone usage among adolescents].
abstract: BACKGROUND
  Among our technological gadgets smartphones play the most important role, new generation devices offer other functions beyond calling (internet availability, computer games, music player, camera functions etc.) In everydays can be experienced that youth spend more and more time with their smartphones and despite the actuality of this issue there are no studies on the excessive smartphone usage in Hungary and we can find only a few international studies.
  
  
  OBJECTIVE
  Our goal is to examine smartphone usage in primary and secondary schools in Hajdu-Bihar county, Hungary and its relationship with personality traits. Our sample consist of 263 youth from primary and secondary schools.
  
  
  METHODS
  We measured the characteristics of smartphone using and attitudes with a Mobilephone Using Questionnare. Personality traits are measured with Impulsiveness, Venturesomeness, Empathy Scale. The Child Behavior Checklist gives information about peer relationships, mental state and emotions.
  
  
  RESULTS
  Average phone using time is 4,48 hours per day regarding the whole sample. This mean for boys is 3,40 hour for girls 5,39 hour. Average phone using time is higher at 16 (6,35 hour per day). The most frequent used applications are calling and visiting community sites. There is no connection between phone using and grades. The smartphone using time per day shows a significant positive relationship with Impulsivity, Anxiety and Depression, Attention deficits and Somatic problems within 17-19 ages.
  
  
  CONCLUSIONS
  One of the explanation of excessive smartphone using may be the frequent visiting of community sites. Mobile phones in this case raise the availability of addictive object (community site) therefore contribute to the development of community site addiction. The connection with impulsivity, somatic problems and attention deficits refer to the anxiety reducing role of smartphones within 17-19 ages.
authors.affiliation: Debreceni Egyetem, Pszichologiai Intezet, Debrecen, Hungary, E-mail: kormendi.ati@freemail.hu.
authors.forename: Attila
authors.initials: A
authors.lastname: Körmendi
mesh_terms: D000293:Adolescent; D000374:Aggression; D001007:Anxiety / Q000453:epidemiology / Q000209:etiology; D001288:Attention; D016739:Behavior, Addictive; D040421:Cell Phone / Q000706:statistics & numerical data; D003863:Depression / Q000453:epidemiology / Q000209:etiology; D004645:Empathy; D005106:Exploratory Behavior; D005260:Female; D006801:Humans; D006814:Hungary / Q000453:epidemiology; D007175:Impulsive Behavior; D020407:Internet; D007398:Interpersonal Relations; D008297:Male; D009146:Music; D010379:Peer Group; D010551:Personality; D010781:Photography; D011602:Psychophysiologic Disorders / Q000453:epidemiology / Q000209:etiology; D057566:Self Report; D012737:Sex Factors; D000068997:Smartphone / Q000706:statistics & numerical data*; D013997:Time Factors; D018910:Video Games; D055815:Young Adult