Susanna Österman , Erland Axelsson , Erik Forsell , Cecilia Svanborg , Nils Lindefors , Erik Hedman-Lagerlöf , Volen Z. Ivanov
{"title":"基于互联网的认知行为疗法治疗健康焦虑的效果和坚持治疗的预测：常规精神科护理中的队列研究","authors":"Susanna Österman , Erland Axelsson , Erik Forsell , Cecilia Svanborg , Nils Lindefors , Erik Hedman-Lagerlöf , Volen Z. Ivanov","doi":"10.1016/j.invent.2024.100780","DOIUrl":null,"url":null,"abstract":"<div><h3>Objective</h3><div>Health anxiety, also known as hypochondriasis, is a common psychiatric disorder which leads to considerable distress and is associated with high societal costs. Internet-based cognitive behavioural therapy (ICBT) for health anxiety has demonstrated efficacy in randomized controlled trials (RCTs), but there is limited knowledge regarding its effectiveness in real-world settings. This study aimed to evaluate the clinical effectiveness of guided ICBT for health anxiety in routine psychiatric care, including symptom change, treatment adherence, and potential negative effects. Additionally, we explored predictors of treatment adherence.</div></div><div><h3>Method</h3><div>A longitudinal cohort study of 447 patients enrolled in 12 weeks of ICBT for health anxiety between 2018 and 2020 in an outpatient psychiatric clinic specializing in ICBT. Primary outcome measure was the 14-item Short Health Anxiety Inventory (SHAI-14) and a within-group design with repeated measures was utilized for the primary analysis.</div></div><div><h3>Results</h3><div>Participants showed significant improvements from pre- to post-treatment (<em>d</em> = 1.61). At post-treatment, 60 % (95 % CI 58–62) demonstrated statistically reliable change (RCI), and 44 % (95 % CI 42–46) were in remission. On average, participants completed 7 (SD = 4) out of 12 treatment modules. For each additional completed module, the mean reduction was 0.31 (95 % CI 0.10 to 0.54) points on the SHAI-14.</div></div><div><h3>Conclusions</h3><div>Guided ICBT for health anxiety can be effective when delivered within the context of routine psychiatric care. The study suggests that effect sizes are comparable with those in RCTs and higher treatment adherence is associated with better outcomes in health anxiety. ICBT could be used to increase availability to effective therapy for health anxiety.</div></div>","PeriodicalId":48615,"journal":{"name":"Internet Interventions-The Application of Information Technology in Mental and Behavioural Health","volume":null,"pages":null},"PeriodicalIF":3.6000,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effectiveness and prediction of treatment adherence to guided internet-based cognitive behavioral therapy for health anxiety: A cohort study in routine psychiatric care\",\"authors\":\"Susanna Österman , Erland Axelsson , Erik Forsell , Cecilia Svanborg , Nils Lindefors , Erik Hedman-Lagerlöf , Volen Z. Ivanov\",\"doi\":\"10.1016/j.invent.2024.100780\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Objective</h3><div>Health anxiety, also known as hypochondriasis, is a common psychiatric disorder which leads to considerable distress and is associated with high societal costs. Internet-based cognitive behavioural therapy (ICBT) for health anxiety has demonstrated efficacy in randomized controlled trials (RCTs), but there is limited knowledge regarding its effectiveness in real-world settings. This study aimed to evaluate the clinical effectiveness of guided ICBT for health anxiety in routine psychiatric care, including symptom change, treatment adherence, and potential negative effects. Additionally, we explored predictors of treatment adherence.</div></div><div><h3>Method</h3><div>A longitudinal cohort study of 447 patients enrolled in 12 weeks of ICBT for health anxiety between 2018 and 2020 in an outpatient psychiatric clinic specializing in ICBT. Primary outcome measure was the 14-item Short Health Anxiety Inventory (SHAI-14) and a within-group design with repeated measures was utilized for the primary analysis.</div></div><div><h3>Results</h3><div>Participants showed significant improvements from pre- to post-treatment (<em>d</em> = 1.61). At post-treatment, 60 % (95 % CI 58–62) demonstrated statistically reliable change (RCI), and 44 % (95 % CI 42–46) were in remission. On average, participants completed 7 (SD = 4) out of 12 treatment modules. For each additional completed module, the mean reduction was 0.31 (95 % CI 0.10 to 0.54) points on the SHAI-14.</div></div><div><h3>Conclusions</h3><div>Guided ICBT for health anxiety can be effective when delivered within the context of routine psychiatric care. The study suggests that effect sizes are comparable with those in RCTs and higher treatment adherence is associated with better outcomes in health anxiety. ICBT could be used to increase availability to effective therapy for health anxiety.</div></div>\",\"PeriodicalId\":48615,\"journal\":{\"name\":\"Internet Interventions-The Application of Information Technology in Mental and Behavioural Health\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":3.6000,\"publicationDate\":\"2024-10-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Internet Interventions-The Application of Information Technology in Mental and Behavioural Health\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2214782924000733\",\"RegionNum\":2,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"HEALTH CARE SCIENCES & SERVICES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Internet Interventions-The Application of Information Technology in Mental and Behavioural Health","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2214782924000733","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"HEALTH CARE SCIENCES & SERVICES","Score":null,"Total":0}
Effectiveness and prediction of treatment adherence to guided internet-based cognitive behavioral therapy for health anxiety: A cohort study in routine psychiatric care
Objective
Health anxiety, also known as hypochondriasis, is a common psychiatric disorder which leads to considerable distress and is associated with high societal costs. Internet-based cognitive behavioural therapy (ICBT) for health anxiety has demonstrated efficacy in randomized controlled trials (RCTs), but there is limited knowledge regarding its effectiveness in real-world settings. This study aimed to evaluate the clinical effectiveness of guided ICBT for health anxiety in routine psychiatric care, including symptom change, treatment adherence, and potential negative effects. Additionally, we explored predictors of treatment adherence.
Method
A longitudinal cohort study of 447 patients enrolled in 12 weeks of ICBT for health anxiety between 2018 and 2020 in an outpatient psychiatric clinic specializing in ICBT. Primary outcome measure was the 14-item Short Health Anxiety Inventory (SHAI-14) and a within-group design with repeated measures was utilized for the primary analysis.
Results
Participants showed significant improvements from pre- to post-treatment (d = 1.61). At post-treatment, 60 % (95 % CI 58–62) demonstrated statistically reliable change (RCI), and 44 % (95 % CI 42–46) were in remission. On average, participants completed 7 (SD = 4) out of 12 treatment modules. For each additional completed module, the mean reduction was 0.31 (95 % CI 0.10 to 0.54) points on the SHAI-14.
Conclusions
Guided ICBT for health anxiety can be effective when delivered within the context of routine psychiatric care. The study suggests that effect sizes are comparable with those in RCTs and higher treatment adherence is associated with better outcomes in health anxiety. ICBT could be used to increase availability to effective therapy for health anxiety.
期刊介绍：
Official Journal of the European Society for Research on Internet Interventions (ESRII) and the International Society for Research on Internet Interventions (ISRII).
The aim of Internet Interventions is to publish scientific, peer-reviewed, high-impact research on Internet interventions and related areas.
Internet Interventions welcomes papers on the following subjects:
• Intervention studies targeting the promotion of mental health and featuring the Internet and/or technologies using the Internet as an underlying technology, e.g. computers, smartphone devices, tablets, sensors
• Implementation and dissemination of Internet interventions
• Integration of Internet interventions into existing systems of care
• Descriptions of development and deployment infrastructures
• Internet intervention methodology and theory papers
• Internet-based epidemiology
• Descriptions of new Internet-based technologies and experiments with clinical applications
• Economics of internet interventions (cost-effectiveness)
• Health care policy and Internet interventions
• The role of culture in Internet intervention
• Internet psychometrics
• Ethical issues pertaining to Internet interventions and measurements
• Human-computer interaction and usability research with clinical implications
• Systematic reviews and meta-analysis on Internet interventions
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