[The relationship between emotional, physical abuse and Internet addiction disorder among middle school students]

To study the relationship between emotional, physical abuse and internet addiction disorder (IAD) among middle school students, in order to lay foundation for the development of prevention and control programs on IAD.

Students selected from 76 classes in Grade One and Grade Two, filled out the anonymous questionnaire, which including demographic characteristics of students, Young's Internet Addiction Scale, Parent-Child Conflict Tactics Scales, etc. Non-conditional multivariate logistic regression model was employed to explore the relationship between child abuse and IAD. Independent variable was child abuse while dependent variable was IAD. Covariant variables would include demographic characteristics, as sex, age, style of household, et al.

Among 3798 students, the overall prevalence of emotional abuse was 81.1%, with 55.1% of them reported having experienced physical abuse. Among 3507 internet users, 5.2% was diagnosed as IAD. Results from the non-conditional multivariate logistic regression model showed that odds ratio of severe physical abuse and moderate physical abuse were 3.02 (1.63-5.58) and 4.00 (2.01-7.93).

Moderate physical abuse and severe physical abuse were possible risk factors of IAD.