{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T03:26:14Z","timestamp":1782444374276,"version":"3.54.5"},"reference-count":35,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:00:00Z","timestamp":1554076800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:00:00Z","timestamp":1554076800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2019,3,1]],"date-time":"2019-03-01T00:00:00Z","timestamp":1551398400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"publisher","award":["293379"],"award-info":[{"award-number":["293379"]}],"id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000024","name":"Canadian Institutes of Health Research","doi-asserted-by":"publisher","award":["152917"],"award-info":[{"award-number":["152917"]}],"id":[{"id":"10.13039\/501100000024","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100000106","name":"Saskatchewan Health Research Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000106","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Rx&D Health Research Foundation"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Anxiety Disorders"],"published-print":{"date-parts":[[2019,4]]},"DOI":"10.1016\/j.janxdis.2019.02.002","type":"journal-article","created":{"date-parts":[[2019,2,21]],"date-time":"2019-02-21T22:37:30Z","timestamp":1550788650000},"page":"51-60","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":49,"special_numbering":"C","title":["Preference trial of internet-delivered cognitive behaviour therapy comparing standard weekly versus optional weekly therapist support"],"prefix":"10.1016","volume":"63","author":[{"given":"H.D.","family":"Hadjistavropoulos","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5821-0858","authenticated-orcid":false,"given":"L.H.","family":"Schneider","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Mehta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6152-9704","authenticated-orcid":false,"given":"E.","family":"Karin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B.F.","family":"Dear","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Titov","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.janxdis.2019.02.002_bib0005","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1146\/annurev-clinpsy-021815-093006","article-title":"Internet-delivered psychological treatments","volume":"12","author":"Andersson","year":"2016","journal-title":"Annual Review of Clinical Psychology"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0010","doi-asserted-by":"crossref","first-page":"288","DOI":"10.1002\/wps.20151","article-title":"Guided Internet-based vs. face-to-face cognitive behavior therapy for psychiatric and somatic disorders: A systematic review and meta-analysis","volume":"13","author":"Andersson","year":"2014","journal-title":"World Psychiatry"},{"issue":"4","key":"10.1016\/j.janxdis.2019.02.002_bib0015","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1037\/0003-066X.61.4.271","article-title":"Evidence-based practice in psychology","volume":"61","author":"APA Presidential Task Force on Evidence-Based Practice","year":"2006","journal-title":"American Psychologist"},{"issue":"4","key":"10.1016\/j.janxdis.2019.02.002_bib0020","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1016\/j.invent.2014.08.003","article-title":"The impact of guidance on Internet-based mental health interventions: A systematic review","volume":"1","author":"Baumeister","year":"2014","journal-title":"Internet Interventions"},{"issue":"3","key":"10.1016\/j.janxdis.2019.02.002_bib0025","doi-asserted-by":"crossref","first-page":"158","DOI":"10.1016\/j.brat.2010.12.007","article-title":"Internet-based treatment of social phobia: A randomized controlled trial comparing unguided with two types of guided self-help","volume":"49","author":"Berger","year":"2011","journal-title":"Behaviour Research and Therapy"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0030","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1016\/j.janxdis.2016.05.004","article-title":"Transdiagnostic versus disorder-specific and clinician-guided versus self-guided Internet-delivered treatment for social anxiety disorder and comorbid disorders: A randomized controlled trial","volume":"42","author":"Dear","year":"2016","journal-title":"Journal of Anxiety Disorders"},{"issue":"10","key":"10.1016\/j.janxdis.2019.02.002_bib0035","doi-asserted-by":"crossref","first-page":"1920","DOI":"10.1097\/j.pain.0000000000000251","article-title":"The Pain Course: A randomised controlled trial examining an Internet-delivered pain management program when provided with different levels of clinician support","volume":"156","author":"Dear","year":"2015","journal-title":"Pain"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0040","doi-asserted-by":"crossref","first-page":"63","DOI":"10.1016\/j.janxdis.2015.09.003","article-title":"Transdiagnostic versus disorder-specific and clinician-guided versus self-guided Internet-delivered treatment for generalized anxiety disorder and comorbid disorders: A randomized controlled trial","volume":"36","author":"Dear","year":"2015","journal-title":"Journal of Anxiety Disorders"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0045","series-title":"R package version 1.0-16.1","article-title":"Longpower: Power and sample size calculators for longitudinal data","author":"Donohue","year":"2016"},{"issue":"3","key":"10.1016\/j.janxdis.2019.02.002_bib0050","doi-asserted-by":"crossref","first-page":"230","DOI":"10.1080\/16506073.2011.645550","article-title":"Dissemination of therapist-assisted Internet cognitive behaviour therapy: Development and open pilot study of a workshop","volume":"41","author":"Hadjistavropoulos","year":"2012","journal-title":"Cognitive Behaviour Therapy"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0055","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1016\/j.janxdis.2016.05.006","article-title":"Transdiagnostic Internet-delivered cognitive behaviour therapy in Canada: An open trial comparing results of a specialized online clinic and nonspecialized community clinics","volume":"42","author":"Hadjistavropoulos","year":"2016","journal-title":"Journal of Anxiety Disorders"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0060","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/j.janxdis.2017.09.006","article-title":"Randomized controlled trial of Internet-delivered cognitive behaviour therapy comparing standard weekly versus optional weekly therapist support","volume":"52","author":"Hadjistavropoulos","year":"2017","journal-title":"Journal of Anxiety Disorders"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0065","doi-asserted-by":"crossref","first-page":"670","DOI":"10.1136\/bmj.319.7211.670","article-title":"What is meant by intention to treat analysis? Survey of published randomised controlled trials","volume":"319","author":"Hollis","year":"1999","journal-title":"BMJ"},{"issue":"4","key":"10.1016\/j.janxdis.2019.02.002_bib0070","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1002\/da.10049","article-title":"Reliability of the self-report version of the Panic Disorder Severity Scale","volume":"15","author":"Houck","year":"2002","journal-title":"Depression and Anxiety"},{"issue":"4","key":"10.1016\/j.janxdis.2019.02.002_bib0075","doi-asserted-by":"crossref","first-page":"467","DOI":"10.1097\/EDE.0b013e3181caeb90","article-title":"To GEE or not to GEE: Comparing population average and mixed models for estimating the associations between neighborhood risk factors and health","volume":"21","author":"Hubbard","year":"2010","journal-title":"Epidemiology"},{"issue":"2","key":"10.1016\/j.janxdis.2019.02.002_bib0080","doi-asserted-by":"crossref","first-page":"e22","DOI":"10.2196\/mental.8363","article-title":"\"Wish you were here\": Examining characteristics, outcomes, and statistical solutions for missing cases in web-based psychotherapeutic trials","volume":"5","author":"Karin","year":"2018","journal-title":"JMIR Mental Health"},{"issue":"6","key":"10.1016\/j.janxdis.2019.02.002_bib0085","doi-asserted-by":"crossref","first-page":"959","DOI":"10.1017\/S0033291702006074","article-title":"Short screening scales to monitor population prevalences and trends in non-specific psychological distress","volume":"32","author":"Kessler","year":"2002","journal-title":"Psychological Medicine"},{"issue":"9","key":"10.1016\/j.janxdis.2019.02.002_bib0090","doi-asserted-by":"crossref","first-page":"1089","DOI":"10.1001\/jama.293.9.1089","article-title":"Impact of participant and physician intervention preferences on randomized trials: A systematic review","volume":"293","author":"King","year":"2005","journal-title":"JAMA"},{"issue":"9","key":"10.1016\/j.janxdis.2019.02.002_bib0095","doi-asserted-by":"crossref","first-page":"606","DOI":"10.1046\/j.1525-1497.2001.016009606.x","article-title":"The PHQ-9: Validity of a brief depression severity measure","volume":"16","author":"Kroenke","year":"2001","journal-title":"Journal of General Internal Medicine"},{"issue":"4","key":"10.1016\/j.janxdis.2019.02.002_bib0100","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1016\/j.genhosppsych.2010.03.006","article-title":"The Patient Health Questionnaire Somatic, Anxiety, and Depressive Symptom Scales: A systematic review","volume":"32","author":"Kroenke","year":"2010","journal-title":"General Hospital Psychiatry"},{"issue":"2","key":"10.1016\/j.janxdis.2019.02.002_bib0105","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1093\/jpepsy\/jst048","article-title":"On the joys of missing data","volume":"39","author":"Little","year":"2014","journal-title":"Journal of Pediatric Psychology"},{"issue":"3","key":"10.1016\/j.janxdis.2019.02.002_bib0110","doi-asserted-by":"crossref","first-page":"E191","DOI":"10.1503\/cmaj.110829","article-title":"Optimal cut-off score for diagnosing depression with the Patient Health Questionnaire (PHQ-9): A meta-analysis","volume":"184","author":"Manea","year":"2012","journal-title":"Canadian Medical Association Journal"},{"issue":"3","key":"10.1016\/j.janxdis.2019.02.002_bib0115","doi-asserted-by":"crossref","first-page":"231","DOI":"10.1002\/cpp.658","article-title":"Working Alliance Inventory-Short Revised (WAI-SR): Psychometric properties in outpatients and inpatients","volume":"17","author":"Munder","year":"2010","journal-title":"Clinical Psychology & Psychotherapy"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0120","series-title":"The prevention and treatment of missing data in clinical trials","author":"National Research Council","year":"2010"},{"issue":"1","key":"10.1016\/j.janxdis.2019.02.002_bib0125","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1037\/a0024544","article-title":"Development of a short form Social Interaction Anxiety (SIAS) and Social Phobia Scale (SPS) using nonparametric item response theory: The SIAS-6 and the SPS-6","volume":"24","author":"Peters","year":"2012","journal-title":"Psychological Assessment"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0130","doi-asserted-by":"crossref","first-page":"a1864","DOI":"10.1136\/bmj.a1864","article-title":"Patients' preferences within randomised trials: Systematic review and patient level meta-analysis","volume":"337","author":"Preference Collaborative Review Group","year":"2008","journal-title":"BMJ"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0135","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.invent.2014.02.001","article-title":"Consensus statement on defining and measuring negative effects of Internet interventions","volume":"1","author":"Rozental","year":"2014","journal-title":"Internet Interventions"},{"issue":"7","key":"10.1016\/j.janxdis.2019.02.002_bib0140","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0040089","article-title":"The effectiveness of online cognitive behavioral treatment in routine clinical practice","volume":"7","author":"Ruwaard","year":"2012","journal-title":"PLoS One"},{"issue":"5","key":"10.1016\/j.janxdis.2019.02.002_bib0145","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1016\/S0022-3956(01)00028-0","article-title":"Reliability and validity of the Panic Disorder Severity Scale: Replication and extension","volume":"35","author":"Shear","year":"2001","journal-title":"Journal of Psychiatric Research"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0150","series-title":"The anxiety disease","author":"Sheehan","year":"1983"},{"issue":"10","key":"10.1016\/j.janxdis.2019.02.002_bib0155","doi-asserted-by":"crossref","first-page":"823","DOI":"10.1016\/j.brat.2009.06.009","article-title":"Relationships between personal beliefs and treatment acceptability, and preferences for behavioral treatments","volume":"47","author":"Sidani","year":"2009","journal-title":"Behaviour Research and Therapy"},{"issue":"10","key":"10.1016\/j.janxdis.2019.02.002_bib0160","doi-asserted-by":"crossref","first-page":"1092","DOI":"10.1001\/archinte.166.10.1092","article-title":"A brief measure for assessing generalized anxiety disorder: The GAD-7","volume":"166","author":"Spitzer","year":"2006","journal-title":"Archives of Internal Medicine"},{"issue":"10","key":"10.1016\/j.janxdis.2019.02.002_bib0165","doi-asserted-by":"crossref","first-page":"1034","DOI":"10.1176\/appi.ps.201400477","article-title":"MindSpot Clinic: An accessible, efficient, and effective online treatment service for anxiety and depression","volume":"66","author":"Titov","year":"2015","journal-title":"Psychiatric Services"},{"key":"10.1016\/j.janxdis.2019.02.002_bib0170","doi-asserted-by":"crossref","first-page":"88","DOI":"10.1016\/j.janxdis.2015.08.002","article-title":"Disorder-specific versus transdiagnostic and clinician-guided versus self-guided treatment for major depressive disorder and comorbid anxiety disorders: A randomized controlled trial","volume":"35","author":"Titov","year":"2015","journal-title":"Journal of Anxiety Disorders"},{"issue":"4","key":"10.1016\/j.janxdis.2019.02.002_bib0175","doi-asserted-by":"crossref","first-page":"194","DOI":"10.1177\/135581969600100403","article-title":"Patient preferences in randomised trials: Threat or opportunity?","volume":"1","author":"Torgerson","year":"1996","journal-title":"Journal of Health Services Research and Policy"}],"container-title":["Journal of Anxiety Disorders"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S088761851830269X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S088761851830269X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T23:09:43Z","timestamp":1760137783000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S088761851830269X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,4]]},"references-count":35,"alternative-id":["S088761851830269X"],"URL":"https:\/\/doi.org\/10.1016\/j.janxdis.2019.02.002","relation":{},"ISSN":["0887-6185"],"issn-type":[{"value":"0887-6185","type":"print"}],"subject":[],"published":{"date-parts":[[2019,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Preference trial of internet-delivered cognitive behaviour therapy comparing standard weekly versus optional weekly therapist support","name":"articletitle","label":"Article Title"},{"value":"Journal of Anxiety Disorders","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.janxdis.2019.02.002","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2019 The Authors. Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}]}}