The Effectiveness of Intervention to Increase Physical Activity and Sleep Time of Junior High School Students
NCT ID: NCT07112469
Last Updated: 2025-08-08
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
948 participants
INTERVENTIONAL
2022-08-15
2024-05-30
Brief Summary
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Detailed Description
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Phase 1: Cross - sectional study
A cross-sectional study was conducted in 12 schools, with 2 classes selected from each school (one from grades 6-7 and one from grades 8-9). The study included a total of 948 participants with complete data for analysis (achieving the minimum sample size of 942 students). At this phase, objectives were: 1) To determine the average daily duration of MVPA and TST. 2) To investigate the association between MVPA and TST and various factors (student, family, and environmental). The sequence of activities was as follows:
1. Research team contacted the school administration to send research questionnaires and informed consent forms to students and parents of the selected classes.
2. On the survey day, researchers collected consent forms and instructed students to complete a self-management questionnaire about personal characteristics, family background, physical activity environment, and sleep habits. Afterwards, researchers guided consenting students in wearing Actigraph GT9X accelerometers, providing them with log sheets to record daily wear times.
3. After 7 consecutive days of accelerometer wear, the research team returns to the schools to collect the devices from the school health offices. Data from the accelerometers were included in the analysis only if students have worn the device for at least four days, including at least one weekend day.
4. Student physical activity and sleep data extracted using ActiLife software. The extracted parameters included: time spent in moderate-intensity physical activity (MPA), vigorous-intensity physical activity (VPA), moderate-to-vigorous physical activity (MVPA), total sleep time (TST), sleep efficiency (SE), wake after sleep onset (WASO), time in bed (TIB), and number of days with accelerometer wear.
5. Following data extraction and accelerometer recalibration, the research team continues to conduct surveys at the remaining schools as planned until the target sample size is reached.
6. Upon completion of data collection, data from all 12 schools is consolidated into a unified dataset. Response rates are calculated, and data cleaning is conducted. Subsequently, data analysis is performed to meet the objectives of Phase 1.
Phase 2: Interventional study
Students from classes of 8 schools in all 12 participating schools were selected from Phase 1. They were divided into intervention and control groups, each comprising 4 schools. The research team implemented intervention activities in the intervention group and evaluated the intervention's effectiveness after 1 and 6 months in both groups to compare changes. The objectives of Phase 2 included: 1) To compare changes in MVPA duration between the intervention and control groups before and after the intervention; 2) To compare changes in sleep quality between the intervention and control groups before and after the intervention. For the intervention group activities, the research team focused on counseling, health education, and guidance on developing plans to improve physical activity in students. The investigators implemented interventions in the following groups:
1. Students: all students from the 4 schools and students who participated in Phase 1
2. Parents
3. School administrators Besides that, 4 remaining schools in the control group continued their regular academic activities without any additional interventions related to physical activity or sleep.
The researcher assessed the changes in MVPA and sleep quality between the intervention and control groups after 1 and 6 month Actigraph using.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Intervention group
The intervention group students were selected as follows: from the 12 participating schools in Phase 1, 8 clusters (where each cluster was a school) were randomly selected. From these 8 schools, 4 were randomly assigned to the intervention group and 4 to the control group. The students selected for intervention were those who had participated in the Phase 1 survey.
Health promotion communication
1. Students (Research subjects):
* All students: Students perform plays during flag-raising ceremonies for all grades. These plays emphasize the importance of increasing physical activity for better health.
* Selected students from Phase 1: Students selected in Phase 1 are guided to play games that help them identify healthy behaviors. They also receive flyers with messages about the benefits of physical activity.
2. Parents:
Parents receive flyers with messages about the benefits of physical activity.
3. Schools:
Research team advises school principals and discusses ways to adjust factors that affect students' physical activity time. These factors are assessed based on cross-sectional study results, literature reviews, and the evaluation of the current situation at each school.
Guidance and practice in developing physical activity plans
The intervention is exclusively implemented for students who participated in the Phase 1 survey. These students are being guided to create weekly physical activity plans by keeping a journal. They are also encouraged to self-monitor their progress. A Facebook page has been created to launch the "Active Moments with Family" challenge and provide regular health-related updates. Teachers are sharing this page with parents to promote participation in the challenge and enhance their health knowledge.
No intervention group
After randomly selecting a similar cluster of schools as described in the intervention group, students who had participated in the Phase 1 survey were re-surveyed one and six months after the completion of the intervention activities in the intervention group.
No interventions assigned to this group
Interventions
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Health promotion communication
1. Students (Research subjects):
* All students: Students perform plays during flag-raising ceremonies for all grades. These plays emphasize the importance of increasing physical activity for better health.
* Selected students from Phase 1: Students selected in Phase 1 are guided to play games that help them identify healthy behaviors. They also receive flyers with messages about the benefits of physical activity.
2. Parents:
Parents receive flyers with messages about the benefits of physical activity.
3. Schools:
Research team advises school principals and discusses ways to adjust factors that affect students' physical activity time. These factors are assessed based on cross-sectional study results, literature reviews, and the evaluation of the current situation at each school.
Guidance and practice in developing physical activity plans
The intervention is exclusively implemented for students who participated in the Phase 1 survey. These students are being guided to create weekly physical activity plans by keeping a journal. They are also encouraged to self-monitor their progress. A Facebook page has been created to launch the "Active Moments with Family" challenge and provide regular health-related updates. Teachers are sharing this page with parents to promote participation in the challenge and enhance their health knowledge.
Eligibility Criteria
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Inclusion Criteria
2. For student: Students (aged 10 - 16) attending grades 6, 7, 8, and 9 in public secondary schools located in the districts of Ho Chi Minh City.
Exclusion Criteria
2. For student: Students or parents of students do not agreement to participate in the study.
11 Years
16 Years
ALL
Yes
Sponsors
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Pham Ngoc Thach University of Medicine
OTHER
Responsible Party
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Hong Tang
Vice Dean of the Faculty of Public Health
Locations
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Junior high school
Ho Chi Minh City, , Vietnam
Countries
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Other Identifiers
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4682/QĐ-ĐHYD
Identifier Type: -
Identifier Source: org_study_id
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