청소년의 스마트폰 과사용 기준 연구 : 2017년 청소년건강행태온라인조사 원시자료를 이용하여
An Investigation for Criterion of Smartphone Overuse in Adolescents : From Korea Youth Risk Behavior Web-based Survey (2017)
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본 연구는 청소년의 스마트폰 과다사용시간의 기준을 정립하고 이 기준에 대한 타당도와 판별능력을 규명하고자 하였다. 모든 자료는 제13차 청소년건강행태온라인조사의 원시자료를 이용하였고, 분석한 표본은 54603명이었다. 통계분석에는 빈도분석, 독립 t 검정, 신뢰도분석, 스피어만 상관분석, 회귀분석, ROC 분석을 사용하였다. 본 연구에서는 스마트폰 과사용 척도 1(스마트폰 사용문제 3항목)과 2(스마트폰 사용문제 3항목 + 스마트폰 과다사용의 위험이 있는 2항목)를 점수화하였다. 연구결과, 척도 1의 문항 간 내적일치도는 Cronbach’s =.619로 나타났다. 척도 2와 스마트폰 사용시간의 상관계수는 척도 1보다 높았다. 스마트폰 사용문제 경험이 높은 자, 중독 위험이 있는 스마트폰 서비스를 이용하는 자, 스마트폰 사용으로 인한 손상경험이 있는 자는 그렇지 않은 자와 비교하여 스마트폰 사용량이 유의하게 많았다(p<.001). 주중 및 주말 스마트폰 사용시간은 스마트폰 과사용 척도 2에 유의한 영향을 미쳤다(p<.001, R2=.019, p<.001, R2=026). ROC 분석 결과에서 남학생은 스마트폰 과사용의 최적절단값이 주중 185분(민감도=.488; 특이도=.708), 주말 245분(민감도=.590; 특이도=.577)이었고, 여학생은 주중 195분(민감도=.623; 특이도=.607), 주말 365분(민감도=.563; 특이도=.650)이었다. 본 연구는 스마트폰 과다사용시간에 대한 기준을 제시하였다. 이는 추후 청소년의 건강관리를 위한 기초자료로 사용될 수 있을 것이다.
Abstract
The aims of this study are to develop criteria of smartphone overuse and to examine the discriminative ability and the validity of the criteria in adolescents. All data were analyzed using the data from Korea youth risk behavior web-based survey of 13th, and the sample size was 54,603. Frequency analysis, independent t test, reliability analysis, Spearman correlation analysis, regression analysis, and ROC analysis were used for statistical analysis. In this study, Smartphone overuse scale (SOS) 1 and SOS 2 were scored as total scores. In result, the internal consistency between the items of scale 1 was Cronbach's =.619. Weekday and weekend smartphone usage time(min/day) had a significant affect on SOS 2(p<.001, R2=.019, p<.001, R2=026). People with problems of smartphone use, service of high rate of addiction, and injury experiences due to smartphone use had a significantly higher duration of smartphone use than those who did not(p<.05). The ROC analysis results showed a cut-off value of weekdays 185(sensitivity=.488; specificity=.708), weekend 245(sensitivity=.590; specificity=.577) in boys while a cut-off value of weekdays 195(sensitivity=.623; specificity=.607), weekend 365(sensitivity=.563; specificity=.650) in girls. This study found the criteria for excessive smartphone use. This findings could be used as a basic data for future health care of adolescents.
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