The Cost-effectiveness of the Online MindSpot Clinic for the Treatment of Depression and Anxiety in Australia.

Abstract

BACKGROUND: The MindSpot Clinic (MindSpot) offers internet-delivered cognitive behavior therapy (iCBT) courses for people with anxiety and depressive disorders in Australia. The efficacy credentials of the courses offered at MindSpot are now well established but not the credentials of cost-effectiveness. The current study is aimed to evaluate the cost-effectiveness of the Wellbeing Course offered in MindSpot in comparison with the routine/usual care (defined as care in the absence of MindSpot) for people with symptoms of depression or/and anxiety from the perspective of Australian Department of Health. METHODS: An economic model using a one-year decision-tree framework was constructed. The four health states in the model included: fully recovered; partially recovered; no improvement; and deteriorated. The probabilities between the four health states in the model were derived from a series of individual client datasets and from the Australian National Survey of Mental Health and Wellbeing. The EuroQol Five Dimension -- Five Level was used to derive the utilities, and costs were expressed in 2014 Australian dollars. Sensitivity analyses were conducted to examine the robustness of results to key model parameters. RESULTS: In the base case analysis, for people seeking treatment, care offered at Mindspot cost less and achieved greater benefits compared to the comparator. By adopting MindSpot, an additional 505 of fully recovered and 223 of partially recovered clients can be achieved per annum compared to routine/usual care. The result of the sensitivity analyses indicated the result of the analysis were robust. CONCLUSIONS: This study found that the iCBT treatments provided by MindSpot were highly cost-effective in comparison with current routine/usual care in the Australia setting. However, future research using a prospective matched comparator that comprehensively assesses all the respective costs is required to verify the current study findings.

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