In order to analyze the internet usage patterns, addiction rates and risk factors of college students in the internet information age,a questionnaire survey was conducted among 1011 college students from 8 universities in Guangdong province with the instruction of YIAT20 Internet Addiction Scale and internet usage patterns.
The results showed that:(1) Internet use patterns were universality and flexibility forcollege students who began to contact the Internet at the early stage of schooling and had a long online time. The mobile phones were the most common Internet access tools.(2) The rates of mild addiction, moderate addiction, and severe addiction were respectively 37.0%,9.8% and 1.0% The rate of mild addiction is greater than the global level.(3) Logistic regression the odds ratio (OR) of the addictive factors of College Students was the following: the risk factors including gender (OR:1.59), duration of online status (OR:1.82), peer influence (OR:1.42), preferred communication method
(OR:1.76), online dating(OR:2.24), online games (OR:1.94), while online learning
(OR:0.45,p<0.001) was a protective factor. College students indicate the susceptibility to internet addiction, which should arouse social attention and multi-directional guidance.