The nine-item Patient Health Questionnaire (PHQ-9), seven-item Generalized Anxiety Disorder scale (GAD-7), and ten-item Kessler Psychological Distress Scale (K-10) are valid and reliable measures of depression, anxiety and general distress. However, the time required in their administration may limit their use in routine care. This study examines the utility of shorter versions (PHQ-2, GAD-2, and K-6) as screening instruments and measures of treatment response. Data from research trial participants (n = 993) receiving internet-delivered cognitive behaviour therapy (iCBT) were analysed to establish discriminant validity of the short versions. Mini International Neuropsychiatric Interview (MINI) diagnoses were used as comparators. Criterion group validity, test-retest reliability, internal consistency, and responsiveness to treatment changes were examined. Analyses were replicated using data from patients receiving iCBT in routine care (n = 1389). Discriminant validity was excellent for the PHQ-2, and acceptable for the GAD-2 and K-6. Acceptable sensitivity and specificity were identified at a threshold of ≥3 for the PHQ-2 and GAD-2, and ≥14 for the K-6. The short versions were sensitive to treatment change. The PHQ-2, GAD-2 and K-6 are useful screeners and efficient measures of treatment progress and outcomes in routine clinical care.

Interest is growing in digital and telehealth delivery of mental health services, but data are scarce on outcomes in routine care. The federally funded Australian MindSpot Clinic provides online and telephone psychological assessment and treatment services to Australian adults. We aimed to summarise demographic characteristics and treatment outcomes of patients registered with MindSpot over the first 7 years of clinic operation. We used an observational design to review all patients who registered for assessment with the MindSpot Clinic between Jan 1, 2013, and Dec 31, 2019. We descriptively analysed the demographics, service preferences, and baseline symptoms of patients. Among patients enrolled in a digital treatment course, we evaluated scales of depression (Patient Health Questionnaire-9 [PHQ-9]) and anxiety (Generalized Anxiety Disorder 7-Item Scale [GAD-7]), as primary measures of treatment outcome, from the screening assessment to post-treatment and a 3 month follow-up. The Kessler Psychological Distress 10-Item Plus Scale was also used to assess changes in general distress and disability, and course satisfaction was measured post-treatment. A total of 121 652 screening assessments were started, of which 96 018 (78·9%) were completed. The mean age of patients was 35·7 years (SD 13·8) and 88 702 (72·9%) were women. Based on available assessment data, 36 866 (34·5%) of 106 811 participants had never previously spoken to a health professional about their symptoms, and most people self-reported symptoms of anxiety (88 879 [81·9%] of 108 494) or depression (78 803 [72·6%] of 108 494), either alone or in combination, at baseline. 21 745 patients started treatment in a therapist-guided online course, of whom 14 503 (66·7%) completed treatment (≥four of five lessons). Key trends in service use included an increase in the proportion of people using MindSpot primarily for assessment and information, from 52·6% in 2013 to 66·7% in 2019, while the proportion primarily seeking online treatment decreased, from 42·6% in 2013 to 26·7% in 2019. Effect sizes and percentage changes were large for estimated mean scores on the PHQ-9 and GAD-7 from assessment to post-treatment (PHQ-9, Cohen's d effect size 1·40 [95% CI 1·37–1·43]; and GAD-7, 1·45 [1·42–1·47]) and the 3 month follow-up (PHQ-9, 1·36 [1·34–1·38]; and GAD-7, 1·42 [1·40–1·44]); proportions of patients with reliable symptom deterioration (score increase of ≥6 points [PHQ-9] or ≥5 points [GAD-7]) were low post-treatment (of 13 058 respondents, 184 [1·4%] had symptom deterioration on the PHQ-9 and 282 [2·2%] on the GAD-7); and patient satisfaction rates were high (12 452 [96·6%] of 12 895 respondents would recommend the course and 12 433 [96·7%] of 12 860 reported the course worthwhile). We also observed small improvements in disability following treatment as measured by days out of role. Our findings indicate improvement in psychological symptoms and positive reception among patients receiving online mental health treatment. These results support the addition of digital services such as MindSpot as a component in contemporary national mental health systems. None.

Effects of Internet-delivered cognitive behaviour therapy (ICBT) for anxiety and depression are not well understood when delivered in non-specialized as compared to specialized clinic settings. This open trial (n=458 patients) examined the benefits of transdiagnostic-ICBT when delivered in Canada by therapists (registered providers or graduate students) working in either a specialized online clinic or one of eight nonspecialized community clinics. Symptoms of depression and anxiety were assessed at pre-treatment, post-treatment and at 3-month follow-up. Completion rates and satisfaction were high. Significant and large reductions (effect sizes 1.17-1.31) were found on symptom measures. Completion rates, satisfaction levels and outcomes did not differ whether ICBT was delivered by therapists working in a specialized online clinic or nonspecialized community clinics. Differences were also not found between registered providers and graduate students, or therapists trained in psychology or another discipline. The findings support the public health potential of ICBT.

The MindSpot Clinic (MindSpot) provides remote screening assessments and therapist-guided treatment for anxiety and depression to adult Australians. Most patients are self-referred. The purpose of this study was to report on the procedures followed to maintain the safety of patients and to examine the circumstances of urgent referrals to local services made by this remote mental health service. A description of the procedures used to manage risk, and an audit of case summaries of patients who were urgently referred for crisis intervention. The reported measures were scores on self-report scales of psychological distress (K-10) and depression (PHQ-9), the number reporting suicidal thoughts and plans, and the number of acute referrals. A total of 9061 people completed assessments and consented for analysis of their data in the year from 1 July, 2013 to 30 June, 2014. Of these, 2599 enrolled in online treatment at MindSpot, and the remainder were supported to access local mental health services. Suicidal thoughts were reported by 2366 (26.1 %) and suicidal plans were reported by 213 (2.4 %). There were 51 acute referrals, of whom 19 (37.3 %) lived in regional or remote locations. The main reason for referral was the patients’ self-report of imminent suicidal intent. The police were notified in three cases, and in another case an ambulance attended after the patient reported taking an overdose. For the remaining acute referrals, MindSpot therapists were able to identify a local mental health service or a general practitioner, confirm receipt of a written case summary, and confirm that the patient had been contacted, or that the local service intended to contact the patient. Around 0.6 % of the people seeking assessment or treatment by MindSpot were referred to local mental health services for urgent face to face care. The procedures for identifying and managing those patients were satisfactory, and in every case, either emergency services or local mental health services were able to take over the patient’s care. This review suggests that the uncertainty associated with taking responsibility for the remote treatment of patients who disclose active suicidal plans is not a major impediment to providing direct access online treatment for severe forms of anxiety and depression.