RT Journal Article SR Electronic T1 Smartphone addiction among university students in Riyadh, Saudi Arabia JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 675 OP 683 DO 10.15537/smj.2016.6.14430 VO 37 IS 6 A1 Alosaimi, Fahad D. A1 Alyahya, Haifa A1 Alshahwan, Hatem A1 Mahyijari, Nawal Al A1 Shaik, Shaffi A. YR 2016 UL http://smj.org.sa/content/37/6/675.abstract AB Objectives: To investigate the prevalence and correlates of smartphone addiction among university students in Saudi Arabia.Methods: This cross-sectional study was conducted in King Saud University, Riyadh, Kingdom of Saudi Arabia between September 2014 and March 2015. An electronic self administered questionnaire and the problematic use of mobile phones (PUMP) Scale were used.Results: Out of 2367 study subjects, 27.2% stated that they spent more than 8 hours per day using their smartphones. Seventy-five percent used at least 4 applications per day, primarily for social networking and watching news. As a consequence of using the smartphones, at least 43% had decrease sleeping hours, and experienced a lack of energy the next day, 30% had a more unhealthy lifestyle (ate more fast food, gained weight, and exercised less), and 25% reported that their academic achievement been adversely affected. There are statistically significant positive relationships among the 4 study variables, consequences of smartphone use (negative lifestyle, poor academic achievement), number of hours per day spent using smartphones, years of study, and number of applications used, and the outcome variable score on the PUMP. The mean values of the PUMP scale were 60.8 with a median of 60.Conclusion: University students in Saudi Arabia are at risk of addiction to smartphones; a phenomenon that is associated with negative effects on sleep, levels of energy, eating habits, weight, exercise, and academic performance.