Study Reasons for exclusion
Ferrer-Roca 2004 [55] The cellular phone intervention was used for blood glucose monitoring rather than weight loss
Park 2005 [41] All participants had a chronic condition (diabetes)
Sung 2005 [46] The intervention was not for weight management
Tufano 2005 [48] Review paper
Scherr 2006 [44] All participants had a chronic condition (cardiac disease)
Joo 2007 [32] No control group
Hurling 2007 [31] Some participants had a BMI below 25 at baseline
Kim 2008 [34] All participants had a chronic condition (diabetes)
Morak 2008 [3] No control group
Gerber 2009 [18] Did not include outcome measure related to weight loss
Park 2009 [5] All participants had a chronic condition (hypertension)
Vespasiani 2009 [49] All participants had a chronic condition (diabetes)
Wohlers 2009 [50] No outcome measure related to weight loss (this was a usability study)
Heron 2010 [20] Review paper
Kaufman 2010 [33] Review paper
McCrady-Spitzer 2010 [38] Review paper
McGraa 2010 [39] Some participants had a BMI below 25 at baseline
Mattila 2010 [21] Review paper
Mattila 2010 [21] No control group
Prestwich 2010 [42] Some participants had a BMI below 25 at baseline
Rossi 2010 [43] All participants had a chronic condition (diabetes)
Svensson 2010 [47] Review paper
Zheng 2010 [51] Descriptive paper of the intervention
Bexelius 2011 [25] Some participants had a BMI below 25 at baseline
Boucher 2011 [27] Editorial
Daley 2011 [28] No cellular phone intervention used
Fukuoka 2011 [29] No control group
Hitman 2011 [30] Editorial
Lee 2011 [35] Some participants had a BMI below 25 at baseline
Maddison 2011 [36] Study protocol
Mori 2011 [40] All participants had a chronic condition (diabetes)
Seto 2011 [45] All participants had a chronic condition (heart failure)
Blasco 2012 [26] All participants had a chronic condition (acute coronary syndrome)
Table 1: Excluded studies and reasons for exclusion (n=33)