This paper is in the following e-collection/theme issue:

Internet-based Survey & Research Methodology 

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Works citing "Impact of Length or Relevance of Questionnaires on Attrition in Online Trials: Randomized Controlled Trial"

Jim McCambridge, Eleftheria Kalaitzaki, Ian R. White, Zarnie Khadjesari, Elizabeth Murray, Stuart Linke, Simon G. Thompson, Christine Godfrey, Paul Wallace
J Med Internet Res 2011 (Nov 18); 13(4):e96 

According to Crossref, the following articles are citing this article (DOI 10.2196/jmir.1733):

(note that this is only a small subset of citations)

1. Essex HN, White IR, Khadjesari Z, Linke S, McCambridge J, Murray E, Parrott S, Godfrey C. Quality of life among hazardous and harmful drinkers: EQ-5D over a 1-year follow-up period. Quality of Life Research 2014;23(2):733 [CrossRef]
2. Friederichs SAH, Oenema A, Bolman C, Guyaux J, van Keulen HM, Lechner L. Motivational interviewing in a web-based physical activity intervention: questions and reflections. Health Promotion International 2013; [CrossRef]
3. Murray E, White IR, Varagunam M, Godfrey C, Khadjesari Z, McCambridge J. Attrition Revisited: Adherence and Retention in a Web-Based Alcohol Trial. Journal of Medical Internet Research 2013;15(8):e162 [CrossRef]
4. Tielemans MM, Jansen JB, van Oijen MG. Open Access Capture of Patients With Gastroesophageal Reflux Disease Using an Online Patient-Reported Outcomes Instrument. Interactive Journal of Medical Research 2012;1(5):e7 [CrossRef]

According to Crossref, the following books are citing this article (DOI 10.2196/jmir.1733):

1. Brueton VC, Tierney J, Stenning S, Harding S, Meredith S, Nazareth I, Rait G, Brueton VC. Cochrane Database of Systematic Reviews. 2013. [CrossRef]