Kim YH. Analysis of mobile phone use and usage behavior of children and adolescents. KISDI STAT Rep 2018; 18-20: 1-7.
Jonsson P, Johnson PW, Hagberg M, Forsman M. Thumb joint movement and muscular activity during mobile phone texting - a methodological study. J Electromyogr Kinesiol 2011; 21: 363-70.
Lee J, Seo K. The comparison of cervical repositioning errors according to smartphone addiction grades. J Phys Ther Sci 2014; 26: 595-8.
Küçer N. Some ocular symptoms experienced by users of mobile phones. Electromagn Biol Med 2008; 27: 205-9.
Zheng F, Gao P, He M, Li M, Wang C, Zeng Q, et al. Association between mobile phone use and inattention in 7102 Chinese adolescents: a population-based cross-sectional study. BMC Public Health 2014; 14: 1022.
Yang YS, Yen JY, Ko CH, Cheng CP, Yen CF. The association between problematic cellular phone use and risky behaviors and low self-esteem among Taiwanese adolescents. BMC Public Health 2010; 10: 217.
Lee SJ, Kim B, Choi TK, Lee SH, Yook KH. Associations between smartphone addiction proneness and psychopathology. Korean J Biol Psychiatr 2014; 21: 161-7.
Lin YH, Chang LR, Lee YH, Tseng HW, Kuo TB, Chen SH. Development and validation of the Smartphone Addiction Inventory (SPAI). PLoS One 2014; 9: e98312.
Kim Y, Kim H. Um N. Choi D. 2018 the survey on smartphone overdependence. Daegu: National Information Society Agency; 2018 Dec. Report No.:NIA VI-RSE-C-18060.
Kim Y, Jeong JE, Cho H, Jung DJ, Kwak M, Rho MJ, et al. Personality factors predicting smartphone addiction predisposition: behavioral inhibition and activation systems, impulsivity, and self-control. PLoS One 2016; 11:e0159788.
Lian L, You X, Huang J, Yang R. Who overuses smartphones? Roles of virtues and parenting style in smartphone addiction among Chinese college students. Comput Hum Behav 2016; 65: 92-9.
Smilkstein G, Ashworth C, Montano D. Validity and reliability of the family APGAR as a test of family function. J Fam Pract 1982; 15: 303-11.
Kang SK, Youn BB, Lee HR, Lee DB, Shim UT. A study of family APGAR scores for evaluating family function. Korean J Fam Med 1984; 5: 6-13.
Olson DH, Portner J, Lavee Y. Faces III: family adaptability and cohesion evaluation scales. St. Paul: Familiy Social Science, University of Minnesota;1985.
Lim JH, Lee KR, OH MK, Kwak KW, Lee HR, Youn BB. A study on reliability and validity of FACES III. Korean J Fam Med 1990; 11: 8-17.
Shin G, Kim D, Jung Y, Lee J, Lee Y, Kim M, et al. Development of Korean Smartphone Addiction Proneness Scale for Youth and Adults. Daegu: National Information Society Agency; 2011 Nov. Report No.: NIA IVRER11051.
Shim M, Han GY, Kim B, Kim SY, Cho SY, Lee KS, et al. Relation between smartphone usage and sleep pattern and deprivation: a survey on high school students. Korean J Fam Pract 2017; 7: 418-23.
Kim H, Pae M. Lifestyle, Dietary behavior and snack preference of uppergrade elementary school students in Cheongju according to the usage time of smartphones. Korean J Community Nutr 2017; 22: 40-52.