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      Association between poor vision and time spent in outdoor activity of students in Guangzhou

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          Abstract

          Objective To investigate the association of poor vision with time spent in outdoor activity among students from primary and middle schools, as well as from universities in Guangzhou, so as to provide targeted scientific basis for prevention and control of low vision.

          Methods According to the requirements of National Monitoring of Common Diseases and Health Risk Factors among Students Manual, a total of 2 908 students were selected in 1 urban area and 1 suburban county for monitoring and investigation in Guangzhou.

          Results The poor vision rate was 69.2% among students in Guangzhou, with girls (74.4%) > boys (64.2%), suburban country (76.3%) > urban areas (54.1%), university (95.0%) > vocational high school (82.5%) > regular high school (81.1%) > junior high school (73.4%) > primary school (45.6%). With the exception of primary students, the severe poor vision has the largest proportion in each age group. The proportion of spending less than 1 or 2 h for outdoor activities per day: girls>boys, suburban country > urban area, university and regular high school are higher. The poor vision rate of students who spent < 2 h (72.3%) for outdoor activities daily was higher than those spent ≥2 h (65.6%). Compared with students who spent ≥2 h/d for outdoor activities, those spent < 2 h/d were at 1.24 times risk of being low vision ( OR = 1.24, 95% CI = 1.04–1.48), controlling for the available confounders.

          Conclusion Poor vision rate of students in Guangzhou is high, occurring mainly with severe impairment and in younger age, the daily outdoor activity time is low. Girls, students from suburban country and junior high school should be considered as the emphasis for prevention and control of low vision.

          Abstract

          【摘要】 目的 了解广州市大、中、小学生视力不良和户夕卜 (阳光下)活动时间现状及关系, 为学生视力不良防控和干 预提供有针对性的科学依据。 方法 于 2017 年 9一12 月根据 2017 年《全国学生常见病及健康危险因素监测工作手册》要 求, 采用分层整群随机抽样法在广州市选取1个城区 (8 所学校)和 1 个郊区 (5 所学校)共 2 908 名学生进行视力监测和问 卷调查。 结果 广州市学生视力不良率为 69.2%, 女生 (74.4%) >男生 (64.2%), 城区 (76.3%) >郊区 (54.1%), 大学 (95.0%) >职高 (82.5%) >高中 (81.1%) >初中 (73.4%) >小学 (45.6%)。除小学外, 各组学生重度视力不良人数均最多。每 天户外活动时间 <1 h、<2 h 报告率均为女生>男生, 城区>郊区, 大学和高中较高。每天户外活动时间 <2 h 的学生视力不良 率 (72.3%) 高于 ≥2 h 的学生 (65.6%)。控制混杂因素后, 每天户外活动时间 <2 h 的学生发生视力不良的风险是 ≥2 h 学 生的 1.24 倍 (95% CI =1.04~1.48)。 结论 广州市学生视力不良率较高, 程度以重度为主并趋于低龄化, 户外活动时间不 足。女生、城区学生和初中阶段应作为视力不良防控的重点。

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          Author and article information

          Journal
          CJSH
          Chinese Journal of School Health
          Chinese Journal of School Health (China )
          1000-9817
          01 July 2020
          01 January 2020
          : 40
          : 7
          : 997-1000
          Affiliations
          [1] 1Department of School Health, Guangzhou Center for Disease Control and Prevention, Guangzhou (510440), China
          Author notes
          *Corresponding author: LIU Weijia, E-mail: liuweijia888@ 123456126.com
          Article
          j.cnki.1000-9817.2019.07.011
          10.16835/j.cnki.1000-9817.2019.07.011
          1b1cc60f-0d21-4ffa-924b-d460d1f4bbfe
          © 2019 Chinese Journal of School Health

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

          Product
          Self URI (journal-page): http://www.cjsh.org.cn
          Categories
          Journal Article

          Ophthalmology & Optometry,Pediatrics,Nutrition & Dietetics,Clinical Psychology & Psychiatry,Public health
          Students,Vision, low,Health education,Motor activities

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