The goal of this clinical trial is to find out whether a smartphone app can help reduce symptoms of depression by supporting healthy lifestyle changes and encouraging self-monitoring in adults who visit their general practitioner with symptoms of depression. The main questions this study aims to answer are: Does a personalized lifestyle intervention delivered through the app, in addition to regular care, reduce depression symptoms more effectively than regular care alone? Is this approach more cost-effective than regular care alone? Researchers will compare patients who use the app alongside their regular care to patients who receive regular care without the app, to see whether the app leads to better outcomes. Participants who use the app will: Complete a lifestyle questionnaire focused on six themes: mental wellbeing, use of harmful substances, social relationships, healthy eating, sleep, and physical activity. Set personal goals based on their results and receive tailored lifestyle advice. Track their depression symptoms regularly within the app to support ongoing care. Have follow-up conversations with their general practitioner or mental health nurse to discuss their progress. Fill out questionnaires about their symptoms and experiences during the study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
NONE
Enrollment
216
The personalized lifestyle intervention (PLI) consists of the combined use of the Patient Journey App (PJA) alongside care provided by the general practitioner or mental health nurse. The Patient Journey App integrates four digital health tools within a single smartphone application: 1. A brief lifestyle questionnaire covering six key areas: mental wellbeing, minimizing harmful substance use, social relationships, healthy eating, sleep, and physical activity. 2. A personalized summary of the questionnaire results, which supports the formulation of two personal lifestyle goals. 3. Tailored information and advice about lifestyle, including suggested interventions, based on the patient's personal goals. 4. Monitoring of depression symptoms over time to support measurement-based care. General practitioners and mental health nurses will have access to the app to monitor patient progress and outcomes.
Radboudumc
Nijmegen, Gelderland, Netherlands
RECRUITINGAmsterdam UMC
Amsterdam, North Holland, Netherlands
RECRUITINGUMC Groningen
Groningen, Provincie Groningen, Netherlands
RECRUITINGCost-effectiveness of the Personalized Lifestyle Intervention at 6 months after baseline
To assess the PLI's cost-effectiveness from a societal perspective, the Treatment Inventory of Costs in Patients with psychiatric disorders (TIC-P) will be used. The main outcome in the cost-effectiveness analysis is Quality-Adjusted Life-Years (QALYs) based on the EQ-5D-5L, measuring general quality of life. Also, additional treatments are measured within the TIC-P, for secondary analysis on additional care.
Time frame: Baseline to 6 months
Change in quality of life using the EQ-5D-5L
Change in quality of life will be assessed using the EQ-5D-5L. This tool consists of 5 dimensions: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression, with each rated on a 5-level scale. The EQ-5D-5L also includes a visual analog scale (VAS) to assess overall health. Higher scores indicate better quality of life, while lower scores reflect greater limitations or discomfort. This measure helps track changes in health status and overall quality of life over time.
Time frame: Baseline to 6 months
Change from baseline in the mean depression severity score measured by the PHQ-9 at 6 months after baseline
To evaluate the effectiveness of the PLI on depression symptomatology, general symptoms of depression will be assessed using the Patient Health Questionnaire-9 (PHQ-9). The PHQ-9 is a 9-item self-reported questionnaire assessing the severity of depression symptomatology. The PHQ-9 is brief, easy to complete, and takes only a few minutes to fill out. The total score ranges from 0 to 27. Scores are interpreted as follows: 0-4 indicates minimal or no depression, 5-9 mild depression, 10-14 moderate depression, 15-19 moderately severe depression, and 20-27 severe depression. Higher scores suggest more severe symptoms, and professional treatment is recommended as the score increases.
Time frame: Baseline to 6 months.
Change in the severity of anxiety symptoms: GAD-7 (Generalized Anxiety Disorder-7)
To measure the severity of anxiety symptoms, the GAD-7 (Generalized Anxiety Disorder-7) will be used
Time frame: Baseline to 3 , 6 and 12 months
Changes in quality of life according to the Recovering Quality of Life (ReQol)
Quality of life is measured using the Recovering Quality of Life (ReQol) questionnaire, a patient-reported outcome measure specifically developed for individuals with various mental health conditions. The ReQol provides a total score ranging from 0 to 80, with higher scores reflecting a better quality of life and overall recovery outcome.
Time frame: Baseline to 3, 6 and 12 months
Change in use of antidepressants
Use of antidepressants, when started/ended, type, dosage, and at follow-up: inquire about changes.
Time frame: Baseline to 3 and 6 months
Change in use of anxiolytics
Use of anxiolytics by self-reported questions about the use of sedatives/sleep medication, when started/ended, frequency of use, type, dosage, and at follow-up: inquire about changes.
Time frame: Baseline to 3 and 6 months
Change in lifestyle measures at month 6
Self-constructed questions about the daily lifestyle habits of all participants. The lifestyle components addressed include smoking, alcohol consumption, drug use, sleep duration, adherence to the Dutch Physical Activity Guidelines according to the Dutch National Institute for Public Health and the Environment (RIVM), and nutrition based on the dietary recommendations of the Netherlands Nutrition Centre.
Time frame: Baseline to 6 months
Change in BMI
Weight and height will be combined to report BMI (Body Mass Index) in kg/m\^2.
Time frame: Baseline to 6 months
Change in lifestyle satisfaction measures at month 6 (intervention arm)
In the intervention group, self-constructed questions about lifestyle are used to measure a patient's satisfaction with specific lifestyle components on a scale from 0 to 10, where 10 indicates the highest level of satisfaction. The lifestyle components include mental wellbeing, minimizing harmful substances, social relationships, healthy eating, sleep, and physical activity. It is possible that someone smokes but is currently satisfied with this and does not wish to make any changes. The intervention is not intended to impose certain behaviors but rather to address the lifestyle components that the individual is willing and motivated to improve, with the ultimate goal of reducing depressive symptoms. These questions collectively provide an overview that the healthcare provider and patient can use together to set achievable goals. In the control group, this questionnaire will only be completed at month 6 of the study.
Time frame: Baseline (intervention only) and 6 months (both groups)
Patient satisfaction: CQi (Consumer Quality Index)
The Consumer Quality Index (CQI) is a 16-item questionnaire that evaluates patient experiences and satisfaction across various dimensions, such as communication, access to care, and treatment outcomes. The CQI helps healthcare providers track patient experiences and identify opportunities for enhancing care. It has a 5 point scale. The last item is a scoring item for overall treatment satisfaction. Higher scores indicate better satisfaction, while lower scores highlight areas for improvement.
Time frame: At 6 months
Change in patient-doctor relationship: PDRQ-9
The Patient-Doctor-Relationship Questionnaire (PDRQ-9) is a patient-reported outcome measure used to assess the quality of the therapeutic relationship between patients and their healthcare providers, such as general practitioners (GPs) or mental health nurses (GP-MHNs). The questionnaire evaluates key aspects of the patient-provider interaction, helping to capture the perceived level of trust, support, and communication. The score ranges from 9 to 45, higher score indicating a more positive relationship according to the patient.
Time frame: Baseline to 6 months
Change in social support: SSL12 (Social Support List-12)
Social support will be measured using the SSL12 (Social Support List-12) questionnaire. This validated tool assesses perceived social support across various domains, such as emotional, practical, and informational support. Higher scores indicate greater perceived social support, while lower scores suggest limited support. The SSL12 helps evaluate the level of social assistance individuals feel they receive and can track changes in social support over time.
Time frame: Baseline to 6 months
PHQ-9 at 3 and 12 months
Secondary analysis of PHQ-9 outcomes. To evaluate the effectiveness of the PLI on depression symptomatology, general symptoms of depression will be assessed using the Patient Health Questionnaire-9 (PHQ-9) every 6 weeks. The PHQ-9 is a 9-item self-reported questionnaire assessing the severity of depression symptomatology. The PHQ-9 is brief, easy to complete, and takes only a few minutes to fill out. The total score ranges from 0 to 27. Scores are interpreted as follows: 0-4 indicates minimal or no depression, 5-9 mild depression, 10-14 moderate depression, 15-19 moderately severe depression, and 20-27 severe depression. Higher scores suggest more severe symptoms, and professional treatment is recommended as the score increases.
Time frame: Baseline to 6 weeks, 3 months and 12 months
Cost-effectiveness at 3 months and at 12 months
To assess the PLI's cost-effectiveness from a societal perspective, the Treatment Inventory of Costs in Patients with psychiatric disorders (TIC-P) will be used. The main outcome in the cost-effectiveness analysis is Quality-Adjusted Life-Years (QALYs) based on the EQ-5D-5L, measuring general quality of life. At 3 and 12 months, an incremental analysis is done in addition to the cost-effectiveness at 6 months
Time frame: baseline to 3 and 12 months
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