该研究的作者调查了12395名学生并分析了九种危险行为，包括过度使用酒精、非法使用毒品、大量吸烟、频繁使用媒体和逃学。
The study's authors surveyed 12,395 students and analyzed nine risk behaviors, including excessive alcohol use, illegal drug use, heavy smoking, high media use and truancy.
Richins解释说，为了得出更确切结论，需要进行更多的调查研究。看金融方面其他的危险的行为，例如赌博，能否适用于此公式。
Richins explains that more research is needed to draw conclusions about where other financially risky behaviors such as gambling fit into the equation.
所有此类群集的彻底调查对于确定病毒行为的可能改变并从而支持流感大流行危险性评估极其重要。
Thorough investigation of all such clusters is essential to determine possible changes in the behaviour of the virus and thus support assessment of the risk of an influenza pandemic.
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