Exercise Interventions on Problematic Mobile Phone Use: a Multi-arm Randomized Controlled Trial

Problematic mobile phone use (PMPU) has been described as a growing public health issue. This randomized controlled trial aimed to determine if aerobic exercise or Tai Chi Chuan as compared to the wait-list control group decreased PMPU-related symptoms; and to analyze the composition of the intestinal flora in the three study groups to explore the correlation between PMPU scores and flora species. A consecutive sample of 90 college students with PMPU was randomized to the aerobic exercise group (AE group, n = 30), the Tai Chi Chuan group (TCC group, n = 30), or the wait-list control group (WLC group, n = 30). The primary outcome was addiction symptoms, i.e., the PMPU score as assessed by the Smartphone Addiction Scale-Short Version (SAS-SV). Secondary outcomes were the emotion-related symptoms (depression, anxiety, self-esteem and self-efficacy), and physical-related symptoms (sleep quality, physical-fatigue and mental-fatigue). Intervention effects were analyzed via generalized estimated equation analysis (GEE).