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A Mixed-method Investigation of the Effectiveness of Mindfulness-Based Intervention and Forest Therapy for Psychological well-being and Mental Health Improvement among Middle-aged and Older LGBTQ+ Adults: A Comparative Study

A Mixed-method Investigation of the Effectiveness of Mindfulness-Based Intervention and Forest Therapy for Psychological well-being and Mental Health Improvement among Middle-aged and Older LGBTQ+ Adults: A Comparative Study

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20240929005
Enrollment
60
Registered
2024-09-29
Start date
2024-01-13
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

The research participants are middle-aged and elderly LGBTQ+ individuals who are prone to mental health issues such as anxiety and depression anxiety, depression, elderly LGBTQ+

Interventions

The mindfulness-based and forest therapy program consists of 8 sessions, conducted once a week, with each session lasting one day. The program combines mindfulness-based practices and forest therapy,
s movement. It may also inc
Experimental Other,Experimental Other
The mindfulness-based and forest therapy program,The forest therapy program

Sponsors

Behavioral Science Research Institute, Srinakharinwirot University, Thailand
Lead Sponsor

Eligibility

Sex/Gender
All
Age
50 Years to No maximum

Inclusion criteria

Inclusion criteria: The population consists of LGBTQ individuals aged 50 and above, residing in Bangkok and its metropolitan areas, who can complete an online questionnaire, are willing to travel to Srinakharinwirot University and forested areas, and are willing to participate in the research. For participant recruitment, the researcher will use infographics and a Google Form distributed on the official Facebook pages of LGBTQ groups and elderly organizations in Thailand, such as the Rainbow Sky Association of Thailand, the Thai Transgender Alliance, and elderly associations. All participants will receive compensation for each phase of participation in both the experimental and control groups. The study is divided into four phases, with the following details. 1. Phase 1 Investigating the causal factors of depression based on the minority stress model in middle-aged and elderly LGBTQ individuals. The sample size for data analysis is determined using Comrey and Lee's (1992) guidelines, which suggest that a sample size of 300 is good, and 500 is very good. Therefore, the researcher plans to collect data from at least 400 middle-aged and elderly LGBTQ individuals to prevent data loss. 2. Phase 2 A feasibility study where a group of 10 participants will undergo mindfulness-based and forest therapy interventions to assess mental well-being, mental health, anxiety, and perceived social support before and after the intervention. 3. Phase 3 A quantitative study using a randomized controlled trial (RCT) with 60 participants, divided into three groups: two experimental groups of 25 participants each (Group 1 will receive both mindfulness-based and forest therapy, and Group 2 will receive only forest therapy) and a control group of 10 participants. A sample size of 50 participants is considered appropriate, based on a moderate effect size (Prasertsuk, 2014). 4. Phase 4 A qualitative study involving 50 participants from Phase 2. Daily records from the therapy sessions will be analyzed, and the researchers will select 8 participants from each of the two experimental groups for focus group discussions on their experiences of well-being from the intervention. A group size of 8 participants is considered sufficient for comprehensive data collection in a focus group with 1 to 2 facilitators. Having two focus groups will allow for data triangulation, ensuring the trustworthiness of the research (Photisita, 2013).

Exclusion criteria

Exclusion criteria: The participant is unable to complete all the steps of the research process.

Design outcomes

Primary

MeasureTime frame
Psychological Well-being Pre test, post test, and at 1 month after end of the intervention The Thai version of the Psychological Well-being Scale,Depression Pre test, post test, and at 1 month after end of the intervention The PHQ-9 (Patient Health Questionnaire-9),Anxiety Pre test, post test, and at 1 month after end of the intervention The General Anxiety Disorder-7,Social support Pre test, post test, and at 1 month after end of the intervention Multidimentional scale of perceived social support,Client Satisfaction After end of the intervention Client Satisfaction Questionnaire (CSQ-8),Experience of discrimination Before the intervention The Thai version of experience of discrimination (EOD),Adverse Childhood Experiences Before the intervention The Adverse Childhood Experiences (ACEs) Questionnaire,The Internalized Homophobia Scale (IHP) Pre test, post test, and at 1 month after end of the intervention Internalized Homophobia ,Self-Disclosure Pre test, post test, and at 1 month after end of the intervention The Outness Inventory,Coping Pre test, post test, and at 1 month after end of the intervention The Problem-Focused Coping Scale

Secondary

MeasureTime frame
Psychological Well-being Pre test, post test, and at 1 month after end of the intervention The Psychological Well-being Scale,Depression Pre test, post test, and at 1 month after end of the intervention The PHQ-9 (Patient Health Questionnaire-9),Anxiety Pre test, post test, and at 1 month after end of the intervention The General Anxiety Disorder-7,Social support Pre test, post test, and at 1 month after end of the intervention Multidimentional scale of perceived social support,Client Satisfaction After end of the intervention Client Satisfaction Questionnaire (CSQ-8),Experience of discrimination Before the intervention The Thai version of experience of discrimination (EOD),Adverse Childhood Experiences Before the intervention The Adverse Childhood Experiences (ACEs) Questionnaire,The Internalized Homophobia Scale (IHP) Pre test, post test, and at 1 month after end of the intervention Internalized Homophobia ,Self-Disclosure Pre test, post test, and at 1 month after end of the intervention The Outness Inventory,Coping Pre test, post test, and at 1 month after end of the intervention The Problem-Focused Coping Scale

Countries

Thailand

Contacts

Public ContactNanchatsan Sakunpong

Behavioral Science Research Institute, Srinakharinwirot University, Thailand

nanchatsans@gmail.com662649500

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026