Adherence to a web-based pre-treatment for phobias in outpatient clinics

Autor: Robin N. Kok, Aartjan T.F. Beekman, Pim Cuijpers, Annemieke van Straten
Jazyk: angličtina
Rok vydání: 2017
Předmět:
Zdroj: Internet Interventions, Vol 9, Iss C, Pp 38-45 (2017)
Druh dokumentu: article
ISSN: 2214-7829
DOI: 10.1016/j.invent.2017.05.004
Popis: Background: Non-adherence in Internet interventions is a persistent and multifaceted issue and potentially limits the applicability and effectiveness of these interventions. Factors that influence non-adherence are poorly understood, especially in outpatient samples with more complex symptoms. Objective: The current study is a secondary analysis of data from a randomised controlled trial that examined the cost-effectiveness of offering an Internet-based exposure treatment to phobic outpatients on a wait-list to receive face-to-face psychotherapy. Methods: We collected baseline demographic and clinical information, and adherence data of the Internet-based intervention and conducted regression analyses to predict non-adherence to the intervention. Results: The adherence to the intervention was low, with only 13.3% of 105 patients completing all five lessons of the intervention. The median number of exercises completed (out of a possible 8) was 3. In a multi-predictor model, a higher baseline score of anxiety (OR = 0.94, 95% CI 0.90–0.99) was a risk factor for low adherence. Higher age (OR = 1.05, 95% CI 1.00–1.09) was a protective factor against non-adherence. Participants who adhered to the intervention were more likely to complete post-test assessments, further biasing results. However, overall participant attrition was high. The results are based on a small subset of participants and should be interpreted with caution. Conclusions: Poor baseline clinical status and age are factors to consider when deciding whether to offer an Internet-based intervention to outpatients. Low adherence among those patients might be related to intrinsic motivation and might even be lower in outpatient settings where participants expect to receive face-to-face treatment. It might be worthwhile to develop a concise instrument to assess intrinsic motivation and treatment expectations for using Internet-based interventions, and for the therapist to review the range of possible (Internet-based) intervention options to suit personal preferences and expectations. Trial registration: Netherlands Trial Register, NTR2233.
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