Development of the eTAP: A brief measure of attitudes and process in e-interventions for mental health

Bonnie A Clough, Jessica A Eigeland, Imogen R Madden, Dale Rowland, Leanne M Casey, Bonnie A Clough, Jessica A Eigeland, Imogen R Madden, Dale Rowland, Leanne M Casey

Abstract

Background: Considerable evidence supports the efficacy of e-interventions for mental health treatment and support. However, client engagement and adherence to these interventions are less than optimal and remain poorly understood.

Objective: The aim of the current study was to develop and investigate the psychometric properties of the e-Therapy Attitudes and Process questionnaire (eTAP). Based on the Theory of Planned Behaviour (TPB), the eTAP was designed to measure factors related to client engagement in e-interventions for mental health.

Methods: Participants were 220 adults who reported current use of an e-intervention for mental health support. Participants completed the eTAP and related measures, with a subsample of 49 participants completing a one-week follow up assessment.

Results: A 16-item version of the eTAP produced a clear four-factor structure, explaining 70.25% of variance. The factors were consistent with the TPB, namely, Intention, Subjective Norm, Attitudes, and Perceived Behavioural Control. Internal consistency of the total and subscales was high, and adequate to good one-week test retest reliability was found. Convergent and divergent validity of the total and subscales was supported, as was the predictive validity. Specifically, eTAP Intentions correctly predicted engagement in e-interventions with 84% accuracy and non-engagement with 74% accuracy.

Conclusions: The eTAP was developed as a measure of factors related to engagement and adherence with e-interventions for mental health. Psychometric investigation supported the validity and reliability of the eTAP. The eTAP may be a valuable tool to understand, predict, and guide interventions to increase engagement and adherence to e-interventions for mental health.

Keywords: Adherence; Digital interventions; Dropout; E-mental health; Engagement; Theory of Planned Behaviour.

© 2019 Published by Elsevier B.V.

Figures

Fig. 1
Fig. 1
The Theory of Planned Behaviour (Ajzen, 1991).
Fig. 2
Fig. 2
eTAP item pool development process.

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