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Table 2 Characteristics of studies by outcome measure

From: Effectiveness of mobile electronic devices in weight loss among overweight and obese populations: a systematic review and meta-analysis

First author (Year) Sample size (n) Study duration (months) nanalyzed (loss to follow-up,%) Mean age (Years) nfemale (%) Outcome Experimental group, mean difference, kg (SD) Control group, mean difference, kg (SD)
Beasley (2008) [20] 174 1 159 (8.62%) 53 140 (80.07%) Weight (kg) 1.59 (2.23) 1.32 (2.18)
Haapala (2009) [21] 124 12 82 (33.87) 38.05 96 (77.42%) Weight (kg) 4.50 (5.00) 1.10 (5.80)
Patrick (2009) [22] 65 4 52 (20.00%) 44.9 52 (80.00%) Weight (kg) 2.46 (3.68) 0.47 (3.62)
Burke (2012) [23] 140 24 121 (13.57%) 46.8 119 (84.80%) Weight (kg) 1.18 (8.78) 1.77 (7.23)
Shapiro (2012) [25] 170 12 130 (23.53%) 42 111 (65.43%) Weight (kg) 1.66 (5.46) 1.03 (4.27)
Carter (2013) [24] 86 6 60 (30.23%) 41.85 66 (76.74%) Weight (kg) 4.60 (5.20) 2.90 (5.85)