Fear of missing out, need for touch, anxiety and depression are related to problematic smartphone use. - Jon D. Elhai; Jason C. Levine; Robert D. Dvorak; Brian J. Hall (Comput. Hum. Behav., 2016)

Non-social features of smartphone use are most related to depression, anxiety and problematic smartphone use. - Jon D. Elhai; Jason C. Levine; Robert D. Dvorak; Brian J. Hall (Comput. Hum. Behav., 2017)