Evaluation of the effect of integrated interventions on comorbidity of myopia and obesity among primary and secondary school students in Tongzhou District in Beijing

YANG Gang; YANG Dongmei; SONG Yi; LI Jing; WEN Han; CHE Jingyue; DONG Yanhui

doi:10.16835/j.cnki.1000-9817.2025031

Volume 46 Issue 1

Jan. 2025

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YANG Gang, YANG Dongmei, SONG Yi, LI Jing, WEN Han, CHE Jingyue, DONG Yanhui. Evaluation of the effect of integrated interventions on comorbidity of myopia and obesity among primary and secondary school students in Tongzhou District in Beijing[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2025, 46(1): 39-44. doi: 10.16835/j.cnki.1000-9817.2025031

Citation:

YANG Gang, YANG Dongmei, SONG Yi, LI Jing, WEN Han, CHE Jingyue, DONG Yanhui. Evaluation of the effect of integrated interventions on comorbidity of myopia and obesity among primary and secondary school students in Tongzhou District in Beijing[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2025, 46(1): 39-44. doi: 10.16835/j.cnki.1000-9817.2025031

Citation:

YANG Gang, YANG Dongmei, SONG Yi, LI Jing, WEN Han, CHE Jingyue, DONG Yanhui. Evaluation of the effect of integrated interventions on comorbidity of myopia and obesity among primary and secondary school students in Tongzhou District in Beijing[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2025, 46(1): 39-44. doi: 10.16835/j.cnki.1000-9817.2025031

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Evaluation of the effect of integrated interventions on comorbidity of myopia and obesity among primary and secondary school students in Tongzhou District in Beijing

doi: 10.16835/j.cnki.1000-9817.2025031

1.
Department of School Health, Tongzhou District Center for Disease Control and Prevention, Beijing(101100), China

Received Date: 2024-10-28
Rev Recd Date: 2024-12-16

Available Online: 2025-01-25

Publish Date: 2025-01-25

Abstract

Abstract

Objective To evaluate the intervention effectiveness of co-occurrence and prevention for myopia and obesity among primary and secondary school students, so as to provide a scientific basis for the development of comprehensive intervention measures in myopia and obesity. Methods From September 2022 to September 2023, a cluster random sampling method was used to select 6 primary schools and 6 junior high schools from Tongzhou District, Beijing. Participants were randomly assigned to an intervention group (914 before intervention and 754 after intervention) and a control group (868 before intervention and 652 after intervention), with an expected duration of one academic year. Based on the RE-AIM framework, integrate resources from families, schools, communities, and medical institutions to develop a school-based intervention technology packagefor the co-occurrence and prevention of myopia and obesity in children. The intervention group received intervention according to the comprehensive intervention technology package, while the control group did not receive any intervention measures. Relevant health indicators during the baseline period and after intervention were measured and collected, and groups were compared by Chi-quest test, t-test and Wilcoxon rank sum test. Results After intervention, the uncorrected visual acuity of primary and secondary school students in the intervention group (4.79±0.30) and the control group (4.77±0.33) both decreased compared to those before intervention (4.80±0.30, 4.90±0.32) (t=-7.00, -5.24); the decrease in uncorrected visual acuity in the intervention group was smaller than that in the control group(t=5.33)(p < 0.01). After intervention, body mass index, waist circumference, hip circumference, and body fat percentage of primary and secondary school students in the intervention group decreased compared to those before intervention. However, the changes in these indicators were not statistically significant (t/Z=-0.03, - 0.36, - 0.30, - 0.01, P>0.05); the above indicators in the control group increased compared to those before intervention, but only hip circumference and body fat percentage showed statistically significant changes (t/Z=2.17, 2.62, p < 0.05). After intervention, both the intervention group and the control group showed increases in systolic and diastolic blood pressure compared to those before intervention(intervention group: t=2.16, 5.29; control group: t=6.84, 5.07); the intervention group had lower systolic and diastolic blood pressure than the control group(t=-5.27, -2.08)(p < 0.05). After intervention, the intervention and the control groups had statistically significant differences in cognitive accuracy(92.48%, 69.33%) in terms of "outdoor exercise can prevent myopia" and "having 5 servings of adult fist sized vegetables and fruits every day" (χ²=6.30, 7.86, p < 0.05). There was a statistically significant difference in the proportion of primary and secondary school students in the intervention group (40.98%) and the control group (35.43%) for "who did not drink sugary drinks for every day in the past 7 days" (χ²=4.32, p < 0.05). After intervention, the intervention group and the control group showed increases in "school outdoor activity duration on school days" and "outdoor activity duration on rest days" compared to those before intervention (t/Z=-13.32, -9.71;- 2.59, -2.69);the behavior rate of "visual acuity measurement frequency at least once every 3 months" in the intervention group (46.68%) and the control group (52.76%) increased compared to those before intervention (36.43%, 44.01%), and the increases in the intervention group were greater than that in the control group (χ²=17.52, 11.08) (p < 0.05). Conclusions Comprehensive intervention measures have significant intervention effects on controlling the occurrence and development of comorbidity of myopia and obesity in children. It could actively promote collaboration and cooperation among families, schools, communities and medical institutions to reduce the occurrence of myopia and obesity among primary and secondary school students.
- Myopia,
- Obesity,
- Intervention studies,
- Comorbidity,
- Students

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References(19)

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