Effectiveness of a Web-based tailored interactive health communication application for patients with type 2 diabetes or chronic low back pain: Randomized controlled trial

Journal of Medical Internet Research

Volumn 17, Issue 3, 2015, Pages

  Weymann, Nina ^a   Dirmaier, Jörg ^a   Von Wolff, Alessa ^a   Kriston, Levente ^a   Härter, Martin ^a  

^a UNIVERSITY MEDICAL CENTER HAMBURG EPPENDORF   (Germany)

Author keywords

Back pain; Health communication; Internet; Randomized controlled trial; Type 2 diabetes mellitus

Indexed keywords

ADULT; BEHAVIOR; CONTROLLED STUDY; FEMALE; HUMAN; INTERNET; LOW BACK PAIN; MALE; MEDICAL INFORMATION; MIDDLE AGED; NON INSULIN DEPENDENT DIABETES MELLITUS; PATIENT EDUCATION; QUESTIONNAIRE; RANDOMIZED CONTROLLED TRIAL; SELF CARE; SINGLE BLIND PROCEDURE; SOCIAL SUPPORT;

ADULT; DIABETES MELLITUS, TYPE 2; FEMALE; HEALTH COMMUNICATION; HUMANS; INTERNET; LOW BACK PAIN; MALE; MIDDLE AGED; PATIENT EDUCATION AS TOPIC; POWER (PSYCHOLOGY); SELF CARE; SINGLE-BLIND METHOD; SOCIAL SUPPORT; SURVEYS AND QUESTIONNAIRES;

EID: 84929666200     PISSN: None     EISSN: 14388871     Source Type: Journal    
DOI: 10.2196/jmir.3904     Document Type: Article

References (101)

1. Hoy D, Bain C, Williams G, March L, Brooks P, Blyth F, et al. A systematic review of the global prevalence of low back pain. Arthritis Rheum 2012 Jun;64(6):2028-2037 [FREE Full text] [doi: 10.1002/art.34347] [Medline: 22231424]
2. Danaei G, Finucane MM, Lu Y, Singh GM, Cowan MJ, Paciorek CJ, Global Burden of Metabolic Risk Factors of Chronic Diseases Collaborating Group (Blood Glucose). National, regional, and global trends in fasting plasma glucose and diabetes prevalence since 1980: systematic analysis of health examination surveys and epidemiological studies with 370 country-years and 2•7 million participants. Lancet 2011 Jul 2;378(9785):31-40. [doi: 10.1016/S0140-6736(11)60679-X] [Medline: 21705069]
3. Wild S, Roglic G, Green A, Sicree R, King H. Global prevalence of diabetes: estimates for the year 2000 and projections for 2030. Diabetes Care 2004 May;27(5):1047-1053. [Medline: 15111519]
4. Becker A, Held H, Redaelli M, Strauch K, Chenot JF, Leonhardt C, et al. Low back pain in primary care: costs of care and prediction of future health care utilization. Spine (Phila Pa 1976) 2010 Aug 15;35(18):1714-1720. [Medline: 21374895]
5. Freburger JK, Holmes GM, Agans RP, Jackman AM, Darter JD, Wallace AS, et al. The rising prevalence of chronic low back pain. Arch Intern Med 2009 Feb 9;169(3):251-258. [doi: 10.1001/archinternmed.2008.543] [Medline: 19204216]
6. Knauer SR, Freburger JK, Carey TS. Chronic low back pain among older adults: a population-based perspective. J Aging Health 2010 Dec;22(8):1213-1234. [doi: 10.1177/0898264310374111] [Medline: 20657007]
7. Centers for Disease Control and Prevention (CDC). Prevalence and most common causes of disability among adults - United States, 2005. MMWR Morb Mortal Wkly Rep 2009 May 1;58(16):421-426 [FREE Full text] [Medline: 19407734]
8. Agency for Healthcare Research and Quality (AHRQ): Medical Expenditure Panel Survey. Total expenses and percent distribution for selected conditions by type of service. 2014. URL: http://meps.ahrq.gov/data-stats/tables-compendia-hh-interactive.jsp?-SERVICE=MEPSSocket0&-PROGRAM=MEPSPGM.TC.SAS&File=HC2Y2011&Table=HC2Y2011-CNDXP-C&-Debug= [WebCite Cache ID 6QTNU8klE]
9. Segal L. The importance of patient empowerment in health system reform. Health Policy 1998 Apr;44(1):31-44. [Medline: 10180200]
10. Wang JM, Walter S, Mantovani A. Re-evaluation of the chemotactic activity of tumour necrosis factor for monocytes. Immunology 1990 Nov;71(3):364-367. [Medline: 2269474]
11. Aujoulat I, d'Hoore W, Deccache A. Patient empowerment in theory and practice: polysemy or cacophony? Patient Educ Couns 2007 Apr;66(1):13-20. [doi: 10.1016/j.pec.2006.09.008] [Medline: 17084059]
12. Anderson RM, Funnell MM. Patient empowerment: myths and misconceptions. Patient Educ Couns 2010 Jun;79(3):277-282 [FREE Full text] [doi: 10.1016/j.pec.2009.07.025] [Medline: 19682830]
13. Schulz PJ, Nakamoto K. Health literacy and patient empowerment in health communication: the importance of separating conjoined twins. Patient Educ Couns 2013 Jan;90(1):4-11. [doi: 10.1016/j.pec.2012.09.006] [Medline: 23063359]
14. Funnell MM, Anderson RM, Arnold MS, Barr PA, Donnelly M, Johnson PD, et al. Empowerment: an idea whose time has come in diabetes education. Diabetes Educ 1991;17(1):37-41. [Medline: 1986902]
15. Bodenheimer T, Lorig K, Holman H, Grumbach K. Patient self-management of chronic disease in primary care. JAMA 2002 Nov 20;288(19):2469-2475. [Medline: 12435261]
16. Camerini L, Schulz PJ, Nakamoto K. Differential effects of health knowledge and health empowerment over patients' self-management and health outcomes: a cross-sectional evaluation. Patient Educ Couns 2012 Nov;89(2):337-344. [doi: 10.1016/j.pec.2012.08.005] [Medline: 22959333]
17. Lustria MLA, Cortese J, Noar SM, Glueckauf RL. Computer-tailored health interventions delivered over the Web: review and analysis of key components. Patient Educ Couns 2009 Feb;74(2):156-173. [doi: 10.1016/j.pec.2008.08.023] [Medline: 18947966]
18. Proudfoot J, Klein B, Barak A, Carlbring P, Cuijpers P, Lange A, et al. Establishing guidelines for executing and reporting Internet intervention research. Cogn Behav Ther 2011;40(2):82-97. [doi: 10.1080/16506073.2011.573807] [Medline: 25155812]
19. Elbert NJ, van OMH, van RW, Ekeland AG, Hakkaart-van RL, Raat H, Nijsten Tamar E C, Pasmans Suzanne G M A. Effectiveness and cost-effectiveness of ehealth interventions in somatic diseases: a systematic review of systematic reviews and meta-analyses. J Med Internet Res 2014;16(4):e110 [FREE Full text] [doi: 10.2196/jmir.2790] [Medline: 24739471]
20. van VM, de WM, Cleijne WHJ, Snoek FJ. Use of behavioral change techniques in web-based self-management programs for type 2 diabetes patients: systematic review. J Med Internet Res 2013;15(12):e279 [FREE Full text] [doi: 10.2196/jmir.2800] [Medline: 24334230]
21. Pal K, Eastwood SV, Michie S, Farmer AJ, Barnard ML, Peacock R, et al. Computer-based diabetes self-management interventions for adults with type 2 diabetes mellitus. Cochrane Database Syst Rev 2013;3:CD008776. [doi: 10.1002/14651858.CD008776.pub2] [Medline: 23543567]
22. Riva S, Camerini AL, Allam A, Schulz PJ. Interactive sections of an Internet-based intervention increase empowerment of chronic back pain patients: randomized controlled trial. J Med Internet Res 2014;16(8):e180 [FREE Full text] [doi: 10.2196/jmir.3474] [Medline: 25119374]
23. Simon D, Kriston L, von WA, Buchholz A, Vietor C, Hecke T, et al. Effectiveness of a web-based, individually tailored decision aid for depression or acute low back pain: a randomized controlled trial. Patient Educ Couns 2012 Jun;87(3):360-368. [doi: 10.1016/j.pec.2011.10.009] [Medline: 22154867]
24. Schulz DN, Kremers SPJ, Vandelanotte C, van Adrichem MJG, Schneider F, Candel MJJM, et al. Effects of a web-based tailored multiple-lifestyle intervention for adults: a two-year randomized controlled trial comparing sequential and simultaneous delivery modes. J Med Internet Res 2014;16(1):e26 [FREE Full text] [doi: 10.2196/jmir.3094] [Medline: 24472854]
25. Samoocha D, Bruinvels DJ, Elbers NA, Anema JR, van der Beek AJ. Effectiveness of web-based interventions on patient empowerment: a systematic review and meta-analysis. J Med Internet Res 2010;12(2):e23 [FREE Full text] [doi: 10.2196/jmir.1286] [Medline: 20581001]
26. Kuijpers W, Groen WG, Aaronson NK, van Harten WH. A systematic review of web-based interventions for patient empowerment and physical activity in chronic diseases: relevance for cancer survivors. J Med Internet Res 2013;15(2):e37 [FREE Full text] [doi: 10.2196/jmir.2281] [Medline: 23425685]
27. Ciere Y, Cartwright M, Newman SP. A systematic review of the mediating role of knowledge, self-efficacy and self-care behaviour in telehealth patients with heart failure. J Telemed Telecare 2012 Oct;18(7):384-391. [doi: 10.1258/jtt.2012.111009] [Medline: 23019605]
28. Murray E, Burns J, See TS, Lai R, Nazareth I. Interactive Health Communication Applications for people with chronic disease. Cochrane Database Syst Rev 2005(4):CD004274. [doi: 10.1002/14651858.CD004274.pub4] [Medline: 16235356]
29. Camerini L, Schulz PJ. Effects of functional interactivity on patients' knowledge, empowerment, and health outcomes: an experimental model-driven evaluation of a web-based intervention. J Med Internet Res 2012;14(4):e105 [FREE Full text] [doi: 10.2196/jmir.1953] [Medline: 22810046]
30. Murray E, White IR, Varagunam M, Godfrey C, Khadjesari Z, McCambridge J. Attrition revisited: adherence and retention in a web-based alcohol trial. J Med Internet Res 2013;15(8):e162 [FREE Full text] [doi: 10.2196/jmir.2336] [Medline: 23996958]
31. Habibović M, Cuijpers P, Alings M, van der Voort P, Theuns D, Bouwels L, et al. Attrition and adherence in a WEB-Based Distress Management Program for Implantable Cardioverter defibrillator Patients (WEBCARE): randomized controlled trial. J Med Internet Res 2014;16(2):e52 [FREE Full text] [doi: 10.2196/jmir.2809] [Medline: 24583632]
32. Brouwer W, Oenema A, Raat H, Crutzen R, de NJ, de Vries NK, et al. Characteristics of visitors and revisitors to an Internet-delivered computer-tailored lifestyle intervention implemented for use by the general public. Health Educ Res 2010 Aug;25(4):585-595 [FREE Full text] [doi: 10.1093/her/cyp063] [Medline: 19897515]
33. Neve MJ, Collins CE, Morgan PJ. Dropout, nonusage attrition, and pretreatment predictors of nonusage attrition in a commercial Web-based weight loss program. J Med Internet Res 2010;12(4):e69 [FREE Full text] [doi: 10.2196/jmir.1640] [Medline: 21156470]
34. Glasgow RE, Christiansen SM, Kurz D, King DK, Woolley T, Faber AJ, et al. Engagement in a diabetes self-management website: usage patterns and generalizability of program use. J Med Internet Res 2011;13(1):e9 [FREE Full text] [doi: 10.2196/jmir.1391] [Medline: 21371992]
35. Verheijden MW, Jans MP, Hildebrandt VH, Hopman-Rock M. Rates and determinants of repeated participation in a web-based behavior change program for healthy body weight and healthy lifestyle. J Med Internet Res 2007;9(1):e1 [FREE Full text] [doi: 10.2196/jmir.9.1.e1] [Medline: 17478410]
36. Fan L, Sidani S. Effectiveness of Diabetes Self-management Education Intervention Elements: A Meta-analysis. Canadian Journal of Diabetes 2009 Jan;33(1):18-26. [doi: 10.1016/S1499-2671(09)31005-9]
37. Eysenbach G. The law of attrition. J Med Internet Res 2005;7(1):e11 [FREE Full text] [doi: 10.2196/jmir.7.1.e11] [Medline: 15829473]
38. Danaher BG, Boles SM, Akers L, Gordon JS, Severson HH. Defining participant exposure measures in Web-based health behavior change programs. J Med Internet Res 2006;8(3):e15 [FREE Full text] [doi: 10.2196/jmir.8.3.e15] [Medline: 16954125]
39. Donkin L, Christensen H, Naismith SL, Neal B, Hickie IB, Glozier N. A systematic review of the impact of adherence on the effectiveness of e-therapies. J Med Internet Res 2011;13(3):e52 [FREE Full text] [doi: 10.2196/jmir.1772] [Medline: 21821503]
40. Christensen H, Griffiths KM, Farrer L. Adherence in internet interventions for anxiety and depression. J Med Internet Res 2009;11(2):e13 [FREE Full text] [doi: 10.2196/jmir.1194] [Medline: 19403466]
41. Norman GJ, Zabinski MF, Adams MA, Rosenberg DE, Yaroch AL, Atienza AA. A review of eHealth interventions for physical activity and dietary behavior change. Am J Prev Med 2007 Oct;33(4):336-345 [FREE Full text] [doi: 10.1016/j.amepre.2007.05.007] [Medline: 17888860]
42. Kelders SM, Kok RN, Ossebaard HC, Van Gemert-Pijnen JEWC. Persuasive system design does matter: a systematic review of adherence to web-based interventions. J Med Internet Res 2012;14(6):e152 [FREE Full text] [doi: 10.2196/jmir.2104] [Medline: 23151820]
43. Lustria MLA, Noar SM, Cortese J, Van Stee SK, Glueckauf RL, Lee J. A meta-analysis of web-delivered tailored health behavior change interventions. J Health Commun 2013;18(9):1039-1069. [doi: 10.1080/10810730.2013.768727] [Medline: 23750972]
44. Krebs P, Prochaska JO, Rossi JS. A meta-analysis of computer-tailored interventions for health behavior change. Prev Med 2010;51(3-4):214-221 [FREE Full text] [doi: 10.1016/j.ypmed.2010.06.004] [Medline: 20558196]
45. Bennett GG, Glasgow RE. The delivery of public health interventions via the Internet: actualizing their potential. Annu Rev Public Health 2009;30:273-292. [doi: 10.1146/annurev.publhealth.031308.100235] [Medline: 19296777]
46. Eysenbach G, CONSORT-EHEALTH Group. CONSORT-EHEALTH: improving and standardizing evaluation reports of Web-based and mobile health interventions. J Med Internet Res 2011;13(4):e126 [FREE Full text] [doi: 10.2196/jmir.1923] [Medline: 22209829]
47. Dirmaier J, Härter M, Weymann N. A tailored, dialogue-based health communication application for patients with chronic low back pain: study protocol of a randomised controlled trial. BMC Med Inform Decis Mak 2013;13:66 [FREE Full text] [doi: 10.1186/1472-6947-13-66] [Medline: 23768119]
48. Weymann N, Härter M, Dirmaier J. A tailored, interactive health communication application for patients with type 2 diabetes: study protocol of a randomised controlled trial. BMC Med Inform Decis Mak 2013;13:24 [FREE Full text] [doi: 10.1186/1472-6947-13-24] [Medline: 23406466]
49. Becker A, Chenot JF, Niebling W, Kochen MM, Deutsche Gesellschaft für Allgemeinmedizin und Familienmedizin. [Guidelines for back pain]. Z Orthop Ihre Grenzgeb 2004;142(6):716-719. [doi: 10.1055/s-2004-832488] [Medline: 15614654]
50. Khadjesari Z, Murray E, Kalaitzaki E, White IR, McCambridge J, Thompson SG, et al. Impact and costs of incentives to reduce attrition in online trials: two randomized controlled trials. J Med Internet Res 2011;13(1):e26 [FREE Full text] [doi: 10.2196/jmir.1523] [Medline: 21371988]
51. Klasen BW, Hallner D, Schaub C, Willburger R, Hasenbring M. Validation and reliability of the German version of the Chronic Pain Grade questionnaire in primary care back pain patients. Psychosoc Med 2004;1:Doc07 [FREE Full text] [Medline: 19742049]
52. Toobert DJ, Hampson SE, Glasgow RE. The summary of diabetes self-care activities measure: results from 7 studies and a revised scale. Diabetes Care 2000 Jul;23(7):943-950 [FREE Full text] [Medline: 10895844]
53. Petrak F, Stridde E, Leverkus F, Crispin AA, Forst T, Pfützner A. Development and validation of a new measure to evaluate psychological resistance to insulin treatment. Diabetes Care 2007 Sep;30(9):2199-2204. [doi: 10.2337/dc06-2042] [Medline: 17575092]
54. Hasenbring M. Hallner D: Telemedizinisches Patienten-Diagnose-System (TPDS) : Selbsterklärende PC-Lösung zur Analyse von Risikofaktoren der Chronifizierung von Rückenschmerzen. Dtsch Arztebl 1999;6:49-50.
55. Edwards PJ, Roberts I, Clarke MJ, Diguiseppi C, Wentz R, Kwan I, et al. Methods to increase response to postal and electronic questionnaires. Cochrane Database Syst Rev 2009(3):MR000008. [doi: 10.1002/14651858.MR000008.pub4] [Medline: 19588449]
56. Weymann N, Härter M, Dirmaier J. Quality of online information on type 2 diabetes: a cross-sectional study. Health Promot Int 2014 Mar 30:epub ahead of print. [doi: 10.1093/heapro/dau019] [Medline: 24688114]
57. Weymann N, Härter M, Dirmaier J. Information and decision support needs in patients with type 2 diabetes. Health Informatics J 2014 Jun 10:-. [doi: 10.1177/1460458214534090] [Medline: 24916569]
58. Crutzen R, Cyr D, de Vries NK. The role of user control in adherence to and knowledge gained from a website: randomized comparison between a tunneled version and a freedom-of-choice version. J Med Internet Res 2012;14(2):e45 [FREE Full text] [doi: 10.2196/jmir.1922] [Medline: 22532074]
59. Danaher BG, McKay HG, Seeley JR. The information architecture of behavior change websites. J Med Internet Res 2005;7(2):e12 [FREE Full text] [doi: 10.2196/jmir.7.2.e12] [Medline: 15914459]
60. Miller WR, Rollnick S. Motivational Interviewing, Third Edition: Helping People Change (Applications of Motivational Interviewing). New York: The Guilford Press; 2012.
61. Boettcher J, Rozental A, Andersson G, Carlbring P. Side effects in Internet-based interventions for Social Anxiety Disorder. Internet Interventions 2014 Mar;1(1):3-11. [doi: 10.1016/j.invent.2014.02.002]
62. Burgers JS, Bailey JV, Klazinga NS, Van Der Bij AK, Grol R, Feder G. Inside guidelines: comparative analysis of recommendations and evidence in diabetes guidelines from 13 countries. Diabetes Care 2002 Nov;25(11):1933-1939. [Medline: 12401735]
63. Stone MA, Wilkinson JC, Charpentier G, Clochard N, Grassi G, Lindblad U, et al. Evaluation and comparison of guidelines for the management of people with type 2 diabetes from eight European countries. Diabetes Res Clin Pract 2010 Feb;87(2):252-260. [doi: 10.1016/j.diabres.2009.10.020] [Medline: 19932517]
64. National Institute for Health and Clinical Excellence (NICE): National Guideline C. The management of type 2 diabetes. Type 2 diabetes URL: http://www.guideline.gov/content.aspx?id=15202 [accessed 2014-06-20] [WebCite Cache ID 6QTSPsUbU]
65. American Diabetes Association. Standards of medical care in diabetes - 2010. Diabetes Care 2010 Jan;33 Suppl 1:S11-S61 [FREE Full text] [doi: 10.2337/dc10-S011] [Medline: 20042772]
66. Airaksinen O, Brox JI, Cedraschi C, Hildebrandt J, Klaber-Moffett J, Kovacs F, COST B13 Working Group on Guidelines for Chronic Low Back Pain. Chapter 4. European guidelines for the management of chronic nonspecific low back pain. Eur Spine J 2006 Mar;15 Suppl 2:S192-S300 [FREE Full text] [doi: 10.1007/s00586-006-1072-1] [Medline: 16550448]
67. Bundesärztekammer (BÄK), Kassenärztliche Bundesvereinigung (KBV), Arbeitsgemeinschaft der Wissenschaftlichen Medizinischen Fachgesellschaften (AWMF): Nationale Versorgungsleitlinie Kreuzschmerz - Kurzfassung Version. 2010. URL: http://www.versorgungsleitlinien.de/themen/kreuzschmerz/pdf/nvl-kreuzschmerz-lang-4.pdf [accessed 2014-06-20] [WebCite Cache ID 6QTTXa0Az]
68. Deshpande A, Furlan A, Mailis-Gagnon A, Atlas S, Turk D. Opioids for chronic low-back pain. Cochrane Database Syst Rev 2007(3):CD004959. [doi: 10.1002/14651858.CD004959.pub3] [Medline: 17636781]
69. Furlan AD, Imamura M, Dryden T, Irvin E. Massage for low-back pain. Cochrane Database Syst Rev 2008(4):CD001929. [doi: 10.1002/14651858.CD001929.pub2] [Medline: 18843627]
70. Hayden JA, van Tulder MW, Malmivaara A, Koes BW. Exercise therapy for treatment of non-specific low back pain. Cochrane Database Syst Rev 2005(3):CD000335. [doi: 10.1002/14651858.CD000335.pub2] [Medline: 16034851]
71. Heymans MW, van Tulder MW, Esmail R, Bombardier C, Koes BW. Back schools for non-specific low-back pain. Cochrane Database Syst Rev 2004(4):CD000261. [doi: 10.1002/14651858.CD000261.pub2] [Medline: 15494995]
72. Staal JB, de BR, de Vet HCW, Hildebrandt J, Nelemans P. Injection therapy for subacute and chronic low-back pain. Cochrane Database Syst Rev 2008(3):CD001824. [doi: 10.1002/14651858.CD001824.pub3] [Medline: 18646078]
73. Urquhart DM, Hoving JL, Assendelft WWJ, Roland M, van Tulder MW. Antidepressants for non-specific low back pain. Cochrane Database Syst Rev 2008(1):CD001703. [doi: 10.1002/14651858.CD001703.pub3] [Medline: 18253994]
74. Weymann N, Härter M, Petrak F, Dirmaier J. Health information, behavior change, and decision support for patients with type 2 diabetes: development of a tailored, preference-sensitive health communication application. Patient Prefer Adherence 2013;7:1091-1099 [FREE Full text] [doi: 10.2147/PPA.S46924] [Medline: 24174871]
75. Maunsell E, Lauzier S, Brunet J, Pelletier S, Osborne RH, Campbell HS. Health-related empowerment in cancer: validity of scales from the Health Education Impact Questionnaire. Cancer 2014 Oct 15;120(20):3228-3236. [doi: 10.1002/cncr.28847] [Medline: 24988944]
76. Herbert RJ, Gagnon AJ, Rennick JE, O'Loughlin JL. A systematic review of questionnaires measuring health-related empowerment. Res Theory Nurs Pract 2009;23(2):107-132. [Medline: 19558027]
77. Nolte S, Elsworth GR, Sinclair AJ, Osborne RH. The extent and breadth of benefits from participating in chronic disease self-management courses: a national patient-reported outcomes survey. Patient Educ Couns 2007 Mar;65(3):351-360. [doi: 10.1016/j.pec.2006.08.016] [Medline: 17027221]
78. Osborne RH, Elsworth GR, Whitfield K. The Health Education Impact Questionnaire (heiQ): an outcomes and evaluation measure for patient education and self-management interventions for people with chronic conditions. Patient Educ Couns 2007 May;66(2):192-201. [doi: 10.1016/j.pec.2006.12.002] [Medline: 17320338]
79. Schuler M, Musekamp G, Faller H, Ehlebracht-König I, Gutenbrunner C, Kirchhof R, et al. Assessment of proximal outcomes of self-management programs: translation and psychometric evaluation of a German version of the Health Education Impact Questionnaire (heiQ™). Qual Life Res 2013 Aug;22(6):1391-1403. [doi: 10.1007/s11136-012-0268-6] [Medline: 22987145]
80. O'Connor AM. Validation of a decisional conflict scale. Med Decis Making 1995;15(1):25-30. [Medline: 7898294]
81. Buchholz A, Hölzel L, Kriston L, Simon D. Härter M: Die Decisional Conflict Scale in deutscher Sprache (DCS-D) - Dimensionale Struktur in einer Stichprobe von Hausarztpatienten. Klinische Diagnostik und Evaluation 2011;4:15-30.
82. Graham I, O'Connor A. Preparation for Decision Making Scale - User manual. 1996. l URL: http://decisionaid.ohri.ca/docs/develop/User-Manuals/UM-PrepDM.pdf [accessed 2014-06-20] [WebCite Cache ID 6QTUmSFnj]
83. Buchholz A, Simon D. Härter M: Die Preparation for Decision-Making Scale (PDMS-G). Faktorielle und konkurrente Validität in einer Onlinestichprobe von Personen mit Kreuzschmerz und Depression. Klinische Diagnostik und Evaluation 2011;4:31-45.
84. van BS, Ferwerda M, Hoeve D, Rovers MM, Spillekom-van KS, van MH, et al. Internet-based cognitive behavioral therapy for patients with chronic somatic conditions: a meta-analytic review. J Med Internet Res 2014;16(3):e88 [FREE Full text] [doi: 10.2196/jmir.2777] [Medline: 24675372]
85. Bond GE, Burr RL, Wolf FM, Feldt K. The effects of a web-based intervention on psychosocial well-being among adults aged 60 and older with diabetes: a randomized trial. Diabetes Educ 2010;36(3):446-456. [doi: 10.1177/0145721710366758] [Medline: 20375351]
86. van Bastelaar KMP, Pouwer F, Cuijpers P, Riper H, Snoek FJ. Web-based depression treatment for type 1 and type 2 diabetic patients: a randomized, controlled trial. Diabetes Care 2011 Feb;34(2):320-325 [FREE Full text] [doi: 10.2337/dc10-1248] [Medline: 21216855]
87. Stacey D, Légaré F, Col NF, Bennett CL, Barry MJ, Eden KB, Wu Julie H C. Decision aids for people facing health treatment or screening decisions. Cochrane Database Syst Rev 2014;1:CD001431. [doi: 10.1002/14651858.CD001431.pub4] [Medline: 24470076]
88. Krans H, Porta M, Keen H. Diabetes Care and Research in Europe: the St. Vincent Declaration Action Programme. Copenhagen: World Health Organization. Regional Office for Europe. (EUR/ICP/CLR 055/3); 1992. URL: http://www.codex.vr.se/texts/SVD.pdf [accessed 2014-06-20] [WebCite Cache ID 6QTUXjtY0]
89. van Eimeren B, Frees B. Ergebnisse der ARD/ZDF-Onlinestudie 2011: Drei von vier Deutschen im Netz - ein Ende des digitalen Grabens in Sicht? media perspektiven 2011;7:334-349.
90. Centers for Disease Control and Prevention, US Department of Health and Human Services. Centers for Disease Control and Prevention (CDC): Diabetes Report Card 2012. Atlanta, GA; 2012. URL: http://www.cdc.gov/diabetes/pubs/pdf/diabetesreportcard.pdf [accessed 2014-06-20] [WebCite Cache ID 6QTW37ZfO]
91. Göbel H. [Epidemiology and costs of chronic pain syndromes exemplified by specific and unspecific low back pain]. Schmerz 2001 Apr;15(2):92-98. [Medline: 11810338]
92. Rückenschmerzen Kapitel 1.2.5.1. 2006. Gesundheitsberichterstattung des Bundes (GBE): Gesundheit in Deutschland URL: http://www.gbe-bund.de/gbe10/abrechnung.prc-abr-test-logon?p-uid=gastg&p-aid=&p-knoten=FID&p-sprache=D&p-suchstring=10410::Dorsopathien [WebCite Cache ID 6QTelF7jk]
93. Craig P, Dieppe P, Macintyre S, Michie S, Nazareth I, Petticrew M, Medical Research Council Guidance. Developing and evaluating complex interventions: the new Medical Research Council guidance. BMJ 2008;337:a1655 [FREE Full text] [Medline: 18824488]
94. Wyatt JC. When to use web-based surveys. J Am Med Inform Assoc 2000;7(4):426-429 [FREE Full text] [Medline: 10887170]
95. Best SJ, Krueger B, Hubbard C, Smith A. An Assessment of the Generalizability of Internet Surveys. Social Science Computer Review 2001 May 01;19(2):131-145. [doi: 10.1177/089443930101900201]
96. van Gelder MMHJ, Bretveld RW, Roeleveld N. Web-based questionnaires: the future in epidemiology? Am J Epidemiol 2010 Dec 1;172(11):1292-1298 [FREE Full text] [doi: 10.1093/aje/kwq291] [Medline: 20880962]
97. Pouwer F, Snoek FJ, van der Ploeg HM, Heine RJ, Brand AN. A comparison of the standard and the computerized versions of the Well-being Questionnaire (WBQ) and the Diabetes Treatment Satisfaction Questionnaire (DTSQ). Qual Life Res 1998 Jan;7(1):33-38. [Medline: 9481149]
98. Booth-Kewley S, Larson GE, Miyoshi DK. Social desirability effects on computerized and paper-and-pencil questionnaires. Computers in Human Behavior 2007 Jan;23(1):463-477. [doi: 10.1016/j.chb.2004.10.020]
99. Buchanan T. Internet-based questionnaire assessment: appropriate use in clinical contexts. Cogn Behav Ther 2003;32(3):100-109. [doi: 10.1080/16506070310000957] [Medline: 16291542]
100. Brouwer W, Kroeze W, Crutzen R, de NJ, de Vries NK, Brug J, et al. Which intervention characteristics are related to more exposure to internet-delivered healthy lifestyle promotion interventions? A systematic review. J Med Internet Res 2011;13(1):e2 [FREE Full text] [doi: 10.2196/jmir.1639] [Medline: 21212045]
101. Fox S, Purcell K. California Health Care Foundation: Chronic Disease and the Internet. 2010. URL: http://www.pewinternet.org/2010/03/24/chronic-disease-and-the-internet/ [accessed 2014-06-20] [WebCite Cache ID 6QTeO3hTY]