Study on Mental Health Promoting Effects of Natural Psychotherapy for Adolescents

Condition(s) studied

Investigational drug(s) / intervention(s)

Multi-modal Nature-based Meditation: A 4-week universal group meditation practice delivered in classrooms. The intervention aims to reduce anxiety and depressive symptoms through nature-based mindfulness exercises.

Intervention diary: Participants are required to maintain a daily log of their meditation practice and life events, with a particular focus on instances of emotional fluctuation and their corresponding behavioral responses.

Study summary

This randomized controlled trial aims to evaluate the efficacy of a universal intervention based on Natural Psychotherapy in reducing anxiety and depressive symptoms among primary and middle school students. To evaluate both the clinical outcomes and the potential underlying mechanisms of change, data will be collected at four distinct time points: baseline (pre-intervention), post-intervention, 3-month follow-up, and 6-month follow-up.

Eligibility

Primary outcome measure(s)

• Generalized Anxiety Disorder-7 Scale (GAD-7) — Week 1, Week 5, Week 9, Week 17, Week 29
  A 7-item self-report scale assessing the severity of anxiety symptoms over the past two weeks. Scores range from 0 to 21, with higher scores indicating more severe anxiety. Clinical cut-off scores are: 0-4 (minimal/no clinical anxiety), 5-9 (mild), 10-14 (moderate),and≥ 15 (severe). This is a widely used, valid, and reliable tool for screening and monitoring anxiety in adolescents. Time points of measurements: (1) Assessment at Week 1 (Pre-intervention, Baseline); (2) Week 5( immediately Post-intervention, after the 4-week intervention period); (3) Week 9 (1-month follow-up); (4) Week 17 (3-month follow-up); (5) Week 29: 6-month follow-up.
• Ruminative Responses Scale (RRS) — Week 1, Week 5, Week 9, Week 17, Week 29
  Symptom Rumination: Assesses repetitive focus on the symptoms of distress (e.g., feelings of sadness, fatigue, and loneliness). Brooding: Assesses a moody, reflective style characterized by passive comparison of one's current situation with unachieved standards. Reflective Pondering: Assesses purposeful and reflective examination of one's mood and its causes to gain insight. Scoring: Each item is rated on a 4-point Likert scale from 1 (almost never) to 4 (almost always). Total scores range from 22 to 88. Higher total scores indicate a greater tendency toward rumination. Time points of measurements: (1) Assessment at Week 1 (Pre-intervention, Baseline); (2) Week 5( immediately Post-intervention, after the 4-week intervention period); (3) Week 9 (1-month follow-up); (4) Week 17 (3-month follow-up); (5) Week 29: 6-month follow-up.

Trial sites (1)

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