Walden University ScholarWorks Walden Dissertations and Doctoral Studies Walden Dissertations and Doctoral Studies Collection 2021 How Cyber Activity Influences Depression and Anxiety in Teenagers Mary Fridah Gatwiri Muiruri Walden University Follow this and additional works at: https://scholarworks.waldenu.edu/dissertations Part of the Epidemiology Commons, and the Public Health Education and Promotion Commons This Dissertation is brought to you for free and open access by the Walden Dissertations and Doctoral Studies Collection at ScholarWorks. It has been accepted for inclusion in Walden Dissertations and Doctoral Studies by an authorized administrator of ScholarWorks. For more information, please contact
[email protected]. Walden University College of Health Professions This is to certify that the doctoral dissertation by Mary Fridah Gatwiri Muiruri has been found to be complete and satisfactory in all respects, and that any and all revisions required by the review committee have been made. Review Committee Dr. Ji Shen, Committee Chairperson, Public Health Faculty Dr. Howell Sasser, Committee Member, Public Health Faculty Dr. Pelagia Melea, University Reviewer, Public Health Faculty Chief Academic Officer and Provost Sue Subocz, Ph.D. Walden University 2021 Abstract How Cyber Activity Influences Depression and Anxiety in Teenagers by Mary Fridah Gatwiri Muiruri MA, St James School of Medicine, 2011 BS, Walden University, 2012 Dissertation Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy Public Health Walden University May 2021 Abstract Both depression and anxiety have been a focus of scholars since their rates have recently skyrocketed from 5.4 % in 2003 to 20 % currently among teenagers in the United States.