The Role of After-school Exercise Services in Promoting Myopia and Physical and Mental Health in Children
Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age5-14
SponsorFangbiao Tao
About this trial
This project is a prospective cohort study to evaluate the impact of after-school extended physical education services on the visual health, physical health indicators, and mental health of children and adolescents participating in these services over a one-year period. The study collected data on the participation rate, duration, activity content, and organisational form of the after-school extended hours service through a questionnaire; the demographic characteristics, sleeping habits, and dietary habits of the participants through a self-administered questionnaire on the multidisease behaviour of children and adolescents; the intensity of the activities of the students who participated in the after-school extended hours service was investigated through an accelerometer and a physical activity questionnaire; and data on students\' visual acuity, body mass index, and mental health status were collected through a medical check-up. Students' visual acuity data, body mass index, maximum oxygen uptake, and other indicators of physical health and mental health were collected through physical examination, and data on changes in one year were collected through half-yearly/follow-up visits to establish a cohort to evaluate the effects of after-school extended hours services on students' myopia rates, physical health and mental health levels by different types, intensity and duration of exercise.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
① Those who voluntarily participate in the after-school extended hours service;
Those who voluntarily participate in this study and sign the informed consent; ③ Basic reading, writing and comprehension skills to understand the questionnaire and be able to answer it;
Disqualifiers
① Unfit to participate in sports activities for health or physical reasons; ② Suffering from glaucoma, glaucoma and other diseases.
Those who suffer from glaucoma, strabismus, refractive error and other eye diseases that affect vision;
Trial population
Students in grades 1-6 in a number of primary schools in a city were selected for the study
Trial design
Design model
Cohort
Time perspective
Prospective
Treatments tested in this trial
after-school extended sports service
BehavioralImpact of voluntary participation in different types (e.g. outdoor physical activities, indoor physical activities, ball games, calisthenics, etc.), intensity and duration of after-school extended physical education services on children\'s myopia and other physical and psychological well-being
non-after school extended sports service
BehavioralStudents in the same grade as the exposure group but participating in after-school non-physical education extended services (e.g., homework help, static activities such as calligraphy, chess, etc.) served as a control group, aiming to maximise the control of the influence of potential factors other than physical activity on the results of the study.
Treatment groups
2,000 Participants
are divided into 2 treatment groupsGroup A: after-school extended sports service1 intervention
Group B: non-after school extended sports service1 intervention
Trial outcomes
Primary outcomes
1
body mass index
Among school-age children (5-9 years) and adolescents (10-19 years), BMI to determine whether they are obese or underweight depends on age and gender. Referring to the 2014 National Physical Fitness Standards for Students cut-off values were classified as normal, low weight, overweight, and obese.
Time frame
At baseline, month 6 and month 122
cardiorespiratory fitness
Cardiorespiratory endurance in children and adolescents was measured using the 20 m shutle run test.Extrapolated maximal oxygen uptake in children and adolescents using a 20 m round trip run = 62.103 + (0.302\*Number of 20 mSRTs) - (0.877\*BMI) - (4.874\*Sex) - (0.465\*Age) (M=0, F=1)
Time frame
At baseline, month 6 and month 123
Spinal curvature abnormalities
Referring to the standard 'Primary screening of spinal curvature abnormalities in children and adolescents' (GB/T 16133-2014), the visual inspection method, the forward bending test (FBT), and the angle of trunk rotation measurement (ATR), and the combination of the three methods were used to carry out the screening of spinal curvature abnormalities in children and adolescents. The type of scoliosis was assessed according to the combination of the three tests, and was classified as no scoliosis, scoliosis I degree, scoliosis II degree, and scoliosis III degree.
Time frame
At baseline, month 6 and month 124
mental health
Mental health status was measured using the Strengths and Difficulties Questionnaire (SDQ) (Chinese version) , which consists of 25 questions with five dimensions: emotional problems, peer relationships, conduct problems, hyperactivity/attention problems and pro-social behaviour. Each question was assigned a score of 0-2 according to 'does not meet', 'somewhat meets' and 'fully meets', with some of the entries reversed; the total score for all questions was calculated, with a range of 0-40, with higher scores representing closer to abnormality.
Time frame
At baseline, month 6 and month 12Locations
Sponsors and contacts
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Fangbiao Tao
Lead sponsor
Anhui Medical University
Sponsor institution
Source ClinicalTrials.gov
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