Prevalence and associated factors of screening positive myopia among elementary and middle school students in Guangdong

XU Chan; LI Meng; SHEN Shaojun; CHEN Qiuxia; YU Huijuan; YANG Wenhan; QU Yabin

doi:10.16835/j.cnki.1000-9817.2024132

Volume 45 Issue 5

May 2024

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XU Chan, LI Meng, SHEN Shaojun, CHEN Qiuxia, YU Huijuan, YANG Wenhan, QU Yabin. Prevalence and associated factors of screening positive myopia among elementary and middle school students in Guangdong[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(5): 737-741. doi: 10.16835/j.cnki.1000-9817.2024132

Citation:

XU Chan, LI Meng, SHEN Shaojun, CHEN Qiuxia, YU Huijuan, YANG Wenhan, QU Yabin. Prevalence and associated factors of screening positive myopia among elementary and middle school students in Guangdong[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(5): 737-741. doi: 10.16835/j.cnki.1000-9817.2024132

Citation:

XU Chan, LI Meng, SHEN Shaojun, CHEN Qiuxia, YU Huijuan, YANG Wenhan, QU Yabin. Prevalence and associated factors of screening positive myopia among elementary and middle school students in Guangdong[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2024, 45(5): 737-741. doi: 10.16835/j.cnki.1000-9817.2024132

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Prevalence and associated factors of screening positive myopia among elementary and middle school students in Guangdong

doi: 10.16835/j.cnki.1000-9817.2024132

XU Chan^{1, 2},
LI Meng¹,
SHEN Shaojun¹,
CHEN Qiuxia¹,
YU Huijuan^{1, 2},
YANG Wenhan²,
QU Yabin^{1
,
,}

1.
Department of Environmental and School Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou (511430), Guangdong Province, China

Received Date: 2023-10-10
Rev Recd Date: 2024-03-14

Available Online: 2024-05-30

Publish Date: 2024-05-25

Abstract

Abstract

Objective The study aims to analyze the prevalence and associated factors of myopia among 4 to 9 grade students in Guangdong Province in 2022, so as to provide a scientific basis for targeted intervention measures for myopia in children and adolescents. Methods From September to October 2022, stratified cluster random sampling was used to select 29 095 of 4 to 9 grade students from Guangzhou, Jiangmen, and Meizhou in Guangdong Province for myopia screening and questionnaire surveys. The Chi-square test was applied to compare the differences between groups, and multivariable Logistic stepwise regression analysis was used to analyze factors associated with myopia. Results The myopia detection rate of 4 to 9 grade students was 61.7%, with detection rates of 51.5% for 4 to 6 grade primary school students and 71.95% for 7 to 9 grade junior high school students. Multivariable Logistic regression analysis showed that higher myopia rates were detected among girls (OR=1.39, 95%CI=1.30-1.49), students with one (OR=1.82, 95%CI=1.69-1.96) or both parents having myopia (OR=2.86, 95%CI=2.56-3.18), and indoor sedentary time >6 h(OR=1.28, 95%CI=1.17-1.39) in the 4 to 6 grade. Lower myopia rates were detected in the county (OR=0.92, 95%CI=0.86-0.99) and outdoors at recess activities (OR=0.88, 95%CI=0.81-0.95). Meanwhile, higher myopia rates were detected among girls (OR=1.84, 95%CI=1.69-1.99), students with one (OR=1.87, 95%CI=1.71-2.04) or both parents having myopia (OR=3.03, 95%CI=2.63-3.50), and indoor sedentary time >6 h/d (OR=1.11, 95%CI=1.01-1.23) in the 7 to 9 grade. Lower myopia rates were detected in the county (OR=0.74, 95%CI=0.68-0.80), outdoors at recess activities (OR=0.83, 95%CI=0.76-0.91), and outdoor activity time ≥2 h/d(OR=0.87, 95%CI=0.80-0.95)(P<0.05). Conclusions The detection rate of myopia among 4 to 9 grade students in Guangdong Province is relatively high. Place of recess activities, daily outdoor activity and indoor sedentary duration are associated with myopia. Therefore, targeted intervention measures should be adopted, such as appropriately increasing outdoor activity to reduce the occurrence of myopia among primary and middle school students.
- Myopia,
- Prevalence,
- Regression analysis,
- Students

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References(31)

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