The investigators plan to conduct a randomized controlled trial to examine whether a Smartphone-based Intervention improves subthreshold depression symptoms compared to no intervention. The purpose of this pilot randomized controlled trial is to investigate the feasibility of the final randomized controlled trial.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
32
The experimental group will watch movies using the Smartphone application for at least 10 min a day for 5 weeks.
Kibi International University
Takahashi, Okayama-ken, Japan
Depression severity as measured by the Center for Epidemiologic Studies Depression Scale (CES-D) score.
The CES-D is a 20-item self-report questionnaire used to measure depressive symptoms. The CES-D is a four-point Likert scale, with each item scored from 0 to 3. The total score ranges from 0 to 60 points. The higher the score, the stronger the depressive symptoms.
Time frame: Change from Baseline CES-D at 5 weeks
Psychological distress as measured by the Kessler Screening Scale for Psychological Distress (K6) score.
The K6 is a 6-item self-report questionnaire used to measure psychological distress. The K6 is a five-point Likert scale, with each item scored from 0 to 4. The total score ranges from 0 to 24 points. The higher the score, the stronger the psychological distress.
Time frame: Change from Baseline K6 at 5 weeks
Anxiety as measured by the 7-item Generalized Anxiety Disorder Scale (GAD-7).
The GAD-7 is a 7-item self-report questionnaire used to measure anxiety. The GAD-7 is a four-point Likert scale, with each item scored from 0 to 3. The total score ranges from 0 to 21 points. The higher the score, the stronger the anxiety.
Time frame: Change from Baseline GAD-7 at 5 weeks
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