title: Health-e-call, a smartphone-assisted behavioral obesity treatment: pilot study.
abstract: BACKGROUND
  Individual and group-based behavioral weight loss treatment (BWL) produces average weight loss of 5-10% of initial body weight, which improves health and wellbeing. However, BWL is an intensive treatment that is costly and not widely available. Smartphones may be a useful tool for promoting adherence to key aspects of BWL, such as self-monitoring, thereby facilitating weight loss while reducing the need for intensive in-person contact.
  
  
  OBJECTIVE
  The objective of this study was to evaluate smartphones as a method of delivering key components of established and empirically validated behavioral weight loss treatment, with an emphasis on adherence to self-monitoring.
  
  
  METHODS
  Twenty overweight/obese participants (95% women; 85% non-Hispanic White; mean age 53.0, SE 1.9) received 12-24 weeks of behavioral weight loss treatment consisting of smartphone-based self-monitoring, feedback, and behavioral skills training. Participants also received brief weekly weigh-ins and paper weight loss lessons.
  
  
  RESULTS
  Average weight loss was 8.4kg (SE 0.8kg; 9%, SE 1% of initial body weight) at 12 weeks and 10.9kg (SE 1.1kg; 11%, SE 1% of initial body weight) at 24 weeks. Adherence to the self-monitoring protocol was 91% (SE 3%) during the first 12 weeks and 85% (SE 4%) during the second 12 weeks.
  
  
  CONCLUSIONS
  Smartphones show promise as a tool for delivering key components of BWL and may be particularly advantageous for optimizing adherence to self-monitoring, a cornerstone of BWL.
authors.affiliation: Weight Control and Diabetes Research Center, Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University & The Miriam Hospital, Providence, RI, United States. jthomas4@lifespan.org.
authors.forename: J Graham
authors.initials: JG
authors.lastname: Thomas
authors.forename: Rena R
authors.initials: RR
authors.lastname: Wing
keywords: behavior; mobile phone; obesity; technology; weight loss
references.citation: Diabetes Metab Syndr Obes. 2010 Aug 30;3:285-95
references.pmid: 21437097
references.citation: J Am Diet Assoc. 2011 Jan;111(1):92-102
references.pmid: 21185970
references.citation: Am J Prev Med. 2008 Oct;35(4):357-63
references.pmid: 18779029
references.citation: Am J Public Health. 2010 Dec;100(12):2513-9
references.pmid: 20966375
references.citation: Diabetes Educ. 2009 Mar-Apr;35(2):309-20
references.pmid: 19321809
references.citation: Obesity (Silver Spring). 2011 Feb;19(2):338-44
references.pmid: 20847736
references.citation: JAMA. 2001 Mar 7;285(9):1172-7
references.pmid: 11231746
references.citation: JAMA. 2010 Jan 20;303(3):235-41
references.pmid: 20071471
references.citation: Psychiatr Clin North Am. 2011 Dec;34(4):841-59
references.pmid: 22098808
references.citation: J Telemed Telecare. 2010;16(5):270-5
references.pmid: 20558620
references.citation: JAMA. 2003 Apr 9;289(14):1833-6
references.pmid: 12684363
references.citation: Obesity (Silver Spring). 2006 May;14(5):737-52
references.pmid: 16855180
references.citation: Public Health Nutr. 2009 Dec;12(12):2382-91
references.pmid: 19323865
references.citation: J Med Internet Res. 2009 Jan 13;11(1):e1
references.pmid: 19141433
references.citation: Lancet. 2009 Nov 14;374(9702):1677-86
references.pmid: 19878986
references.citation: Transl Behav Med. 2011 Dec;1(4):523-9
references.pmid: 24073074
references.citation: J Med Internet Res. 2011 Sep 22;13(3):e65
references.pmid: 21979293
references.citation: Arch Intern Med. 1999 Oct 11;159(18):2177-83
references.pmid: 10527295
references.citation: Arch Intern Med. 2010 Sep 27;170(17):1566-75
references.pmid: 20876408
references.citation: Contemp Clin Trials. 2008 Mar;29(2):182-93
references.pmid: 17702667
references.citation: Ann Intern Med. 2005 Apr 19;142(8):611-9
references.pmid: 15838067
references.citation: JMIR Res Protoc. 2012 Aug 22;1(2):e9
references.pmid: 23611892
references.citation: Diabetes Care. 2002 Dec;25(12):2165-71
references.pmid: 12453955
references.citation: J Cardiovasc Nurs. 2013 Jul-Aug;28(4):320-9
references.pmid: 22635061
references.citation: Arch Intern Med. 2006 Aug 14-28;166(15):1620-5
references.pmid: 16908795
references.citation: Arch Gen Psychiatry. 2006 Jul;63(7):824-30
references.pmid: 16818872
references.citation: Qual Life Res. 1999 May;8(3):275-7
references.pmid: 10472159
references.citation: J Health Psychol. 2007 Jan;12(1):66-82
references.pmid: 17158841
references.citation: J Med Internet Res. 2005 Dec 20;7(5):e58
references.pmid: 16403722