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Wang X, Dang J, Liu J, Liu Y, Wang Y, Shi D, Chen Z, Yuan W, Cai S, Mi J, Xiao P, Li L, Fan Y, Gao A, Chen H, Zhuang L, Yu Z, Li J, Yang D, Yang G, Guo L, Li Y, Song J, Li J, Ma J, Dong Y, Song Y. A cluster randomized trial of a comprehensive intervention nesting family and clinic into school centered implementation to reduce myopia and obesity among children and adolescents in Beijing, China: study protocol. BMC Public Health 2023; 23:1435. [PMID: 37501063 PMCID: PMC10373331 DOI: 10.1186/s12889-023-16270-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 07/09/2023] [Indexed: 07/29/2023] Open
Abstract
BACKGROUND Myopia and obesity in children and adolescents have become serious public health problems that endanger public health, especially in China. Unhealthy lifestyle behaviors are environmental drivers of both myopia and obesity. This protocol describes a study to evaluate the effectiveness of "22510SS", that is 2 h of daytime outdoor activities ('2'); Limit screen time to no more than 2 h per day ('2'); Consume at least 5 servings of fruits and vegetables daily ('5'); Attain 1 h of physical activity daily ('1'); Consume 0 sugar-sweetened beverages ('0'); Reasonable sleep duration ('S'); Regular supervision ('S'). A school-based, multifaceted intervention strategy for myopia and obesity prevention, and to assess and explore the implementation of "22510SS" with regards to acceptability, feasibility, adoption, usage and maintenance. METHODS AND ANALYSIS This study aims to develop a comprehensive intervention strategy "22510SS" based on the socio-ecological model, and A two-arm cluster randomized trial with a parallel-group of a 1:1 allocation ratio in 36 primary and secondary schools to test its evidence-based intervention programs on the effects and implementation of myopia and obesity epidemics in children and adolescents in grades 4 and 7. The primary outcomes will include differences in visual acuity, body mass index, outdoor activity indicators, screen time, fruit and vegetable intake, high-quality protein intake, sugar-sweetened beverage intake, sleep duration, and level of monitoring among children and adolescents. Secondary outcomes will assess the acceptability, feasibility, uptake, use, and maintenance of the intervention. Effects on the primary and secondary outcomes will be analyzed using linear and logistic regression analyses, as well as difference-in-difference analysis, taking into account cluster effects and possible confounding factors. Process assessments will also be conducted through quantitative and qualitative analyses, including acceptability, feasibility, gender, adoption, implementation, and sustainability. DISCUSSION This study will evaluate the effectiveness of "22510SS" and examine its implementation in the school-based network nesting family and clinic. Following this intervention study, the integrated intervention program focused on myopia and obesity among children and adolescents have great potential to be implemented in China to promote and support healthy lifestyle behavior change and reduce the risk of myopia and obesity in children and adolescents. TRIAL REGISTRATION NCT05275959. Registered 23 Mach 2022.
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Affiliation(s)
- Xinxin Wang
- School of Public Health, Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, No.1160, Shengli Street, Yinchuan, 750004, Xingqing District, China
| | - Jiajia Dang
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Jieyu Liu
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Yunfei Liu
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Yaqi Wang
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Di Shi
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Ziyue Chen
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Wen Yuan
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Shan Cai
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Jie Mi
- Center for Non-Communicable Disease Management, National Center for Children's Health, Beijing Children's Hospital, Capital Medical University, Beijing, 100045, China
| | - Pei Xiao
- Center for Non-Communicable Disease Management, National Center for Children's Health, Beijing Children's Hospital, Capital Medical University, Beijing, 100045, China
| | - Li Li
- Department of Ophthalmology, National Center for Children's Health, Beijing Children's Hospital, Capital Medical University, Beijing, 100045, China
| | - Yunwei Fan
- Department of Ophthalmology, National Center for Children's Health, Beijing Children's Hospital, Capital Medical University, Beijing, 100045, China
| | - Aiyu Gao
- Dongcheng Primary and Secondary School Health Care Center, Beijing, China
| | - Haihua Chen
- Dongcheng Primary and Secondary School Health Care Center, Beijing, China
| | - Lili Zhuang
- Dongcheng Primary and Secondary School Health Care Center, Beijing, China
| | - Zhaocang Yu
- Beijing Tongzhou District Primar Yand Secondary School Health Carelnstitute, Beijing, China
| | - Jianhui Li
- Beijing Tongzhou District Primar Yand Secondary School Health Carelnstitute, Beijing, China
| | - Dongmei Yang
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Gang Yang
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Lipo Guo
- Health Education Center forPrimary and Secondary Schools Changping Beijing, Beijing, China
| | - Yuanyuan Li
- Health Education Center forPrimary and Secondary Schools Changping Beijing, Beijing, China
| | - Jieyun Song
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Jing Li
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Jun Ma
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China
| | - Yanhui Dong
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China.
| | - Yi Song
- School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Institute of Child and Adolescent Health, Peking University, Beijing, 100191, China.
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