Mobile phone use and inattention in 7102 Chinese adolescents

Bron: www.biomedcentral.com/1471-2458/14/1022 .
1 okt. 2014

Association between mobile phone use and inattention in 7102 Chinese adolescents: a population-based cross-sectional study

Feizhou Zheng1, Peng Gao1, Mindi He1, Min Li1, Changxi Wang2, Qichang Zeng3, Zhou Zhou1, Zhengping Yu1 and Lei Zhang1*

* Corresponding author: Lei Zhang zlepo1980@163.com

Author Affiliations
1 Department of Occupational Health, Key Laboratory of Medical Protection for Electromagnetic Radiation, Ministry of Education, Third Military Medical University, NO. 30 Gaotanyan Street, Chongqing 400038, People's Republic of China

2 Suining Experimental High School, Sichuan 629000, People's Republic of China

3 Dongchan Middle School, Sichuan 629007, People's Republic of China

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BMC Public Health 2014, 14:1022 doi:10.1186/1471-2458-14-1022

The electronic version of this article is the complete one and can be found online at: www.biomedcentral.com/1471-2458/14/1022 .

Received: 2 July 2014
Accepted: 29 September 2014
Published: 1 October 2014
© 2014 Zheng et al.; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver ( creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

Abstract

Background
The dramatic growth of mobile phone (MP) use among young people has increased interest in its possible health hazards in this age group. The aim of this cross-sectional study was to investigate the association between MP use and inattention in adolescents.

Methods
A total of 7720 middle school students were involved in this cross-sectional study. Inattention was assessed as defined for the Attention Deficit component of Attention deficit/Hyperactivity disorder (ADHD) by the Diagnostic and Statistical Manual of Mental Disorders (4th ed., text rev. DSM-IV-TR). The demographic characteristics and information on MP use were included in the questionnaire. Chi-square tests and logistic regression models were used to analyze the data.

Results
In total, 7102 (91.99%) valid questionnaires were obtained. After adjusted for confounders, inattention in adolescents was significantly associated with MP ownership, the time spent on entertainment on MP per day, the position of the MP during the day and the mode of the MP at night. The strongest association between inattention and the time spent on the MP was among students who spent more than 60 minutes per day playing on their MP.

Conclusions
Our study shows some associations between MP use and inattention in Chinese adolescents. Decreasing MP usage to less than 60 minutes per day may help adolescents to stay focused and centered.

Keywords: Mobile phone; Inattention; Chinese adolescents; Cross-sectional study

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