Problematic mobile phone use in adolescents: derivation of a short scale MPPUS-10
Our aim was to derive a short version of the Mobile Phone Problem Use Scale (MPPUS) using data from 412 adolescents of the Swiss HERMES (Health Effects Related to Mobile phonE use in adolescentS) cohort.
A German version of the original MPPUS consisting of 27 items was shortened by principal component analysis (PCA) using baseline data collected in 2012. For confirmation, the PCA was carried out again with follow-up data 1 year later.
PCA revealed four factors related to symptoms of addiction (Loss of Control, Withdrawal, Negative Life Consequences and Craving) and a fifth factor reflecting the social component of mobile phone use (Peer Dependence). The shortened scale (MPPUS-10) highly reflects the original MPPUS (Kendalls’ Tau: 0.80 with 90% concordant pairs). Internal consistency of MPPUS-10 was good with Cronbach’s alpha: 0.85. The results were confirmed using the follow-up data.
The MPPUS-10 is a suitable instrument for research in adolescents. It will help to further clarify the definition of problematic mobile phone use in adolescents and explore similarities and differences to other technological addictions.
KeywordsMobile phone use Problematic mobile phone use MPPUS Technological addictions Adolescents
The HERMES study was funded by the Swiss National Science Foundation (project number 138190). In addition, the research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under the grant agreement no. 603794—the GERONIMO project. Many thanks go to the study participants and their parents for participating in the HERMES study.
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