Is there a link between anxiety and smartphone addiction?

Feeling emotionally unstable could lead you to rely on your smartphone more according to new research. — AFP Relaxnews

New UK research has identified some of the personality traits that could lead to smartphone addiction, finding that those who are more emotionally unstable are more likely to be hooked on their phone. 

Carried out by psychologists from the University of Derby and Nottingham Trent University, the online study surveyed 640 smartphone users aged 13-69 to look at a possible link between smartphone use and certain personality traits.