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Increasing Physical Activity With Mobile Devices: A Meta-Analysis

Increasing Physical Activity With Mobile Devices: A Meta-Analysis

From these effects, the random-effects meta-analysis yielded a significant moderate overall weighted mean effect size of g = 0.54 (95% CI = 0.17 to 0.91, P = .005). The heterogeneity within these studies was significant (Q = 87.79, df = 10, P < .001, I 2 = 88.61%), supporting the use of random effects meta-analysis. Intervention characteristics. a SMS: Short Message Service. b INT: Intervention group. c CON: Control group. d PDA: Personal digital assistant.

Jason Tyler Fanning, Sean P Mullen, Edward McAuley

J Med Internet Res 2012;14(6):e161