The association between myopia with overweight and obesity in middle school students in Zhengzhou
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摘要:
目的 了解郑州市中学生近视相关因素并探寻超重肥胖与近视之间的关联,为预防中学生近视提供科学依据。 方法 于2021年通过整群随机抽样的方法,在郑州市二七区、中牟县、荥阳县抽取8所中学3 297名中学生参加体格检查和问卷调查,差异性检验采用χ2检验,关联性分析采用Logistic回归分析。 结果 郑州市中学生近视检出率为80.5%,超重检出率为14.7%,肥胖检出率为10.1%。不同学段间、父母近视情况组间比较,男生、女生及全人群间近视检出率差异均有统计学意义(χ2值分别为18.34,23.55;8.98,26.53;27.46,47.28,P值均 < 0.01);放学后不同作业时长间比较,男生以及全人群间近视检出率差异均有统计学意义(χ2值分别为12.40,15.25,P值均 < 0.01);体质量指数(BMI)分类仅在男生人群中近视检出率差异有统计学意义(χ2=6.32,P < 0.05)。不同性别间的近视程度比较仅初中生差异有统计学意义,不同BMI分类的近视程度比较仅高中生差异有统计学意义(χ2值分别为22.71,20.37,P值均<0.01)。多因素二元Logistic回归分析显示,超重肥胖学生患高度近视的风险是非超重肥胖学生的1.81倍(P<0.01)。 结论 超重肥胖可能增加中学生患近视的风险,应采取针对性措施保持中学生的健康体重,降低近视风险。 Abstract:Objective To understand associated factors of myopia among middle school students in Zhengzhou and to explore the correlation between myopia with overweight and obesity, to provide a scientific basis for myopia prevention. Methods A total of 3 297 middle school students from 8 middle schools in Erqi District, Zhongmu County and Xingyang County of Zhengzhou City were selected by a cluster random sampling method to participate in vision testing and questionnaire survey. Chi-square test, and Logistic regression analysis were used. Results Overall prevalence of myopia of middle school students was 80.5%, overweight 14.7%, obesity 10.1% in Zhengzhou. The prevalence of myopia differed significantly by schooling stage, parental myopia status and sex (χ2=18.34, 23.55, 8.98, 26.53, 27.46, 47.25, P < 0.05). Significant differences in myopia detection rate by after-school homework duration were observed in boys and the entire population(χ2=12.40, 15.25, P < 0.01), and significant differences in myopia detection rate by body mass index (BMI) were only observed in boys (χ2=6.32, P < 0.05). The distribution of myopia severity was statistically significant by sex among junior school students, and by BMI categories among high school students (χ2=22.71, 20.37, P < 0.01). Multivariate binary Logistic regression analysis showed that the risk for myopia among school students who were overweight and obese was 1.81 times higher than that of students who were not overweight and obese(P < 0.01). Conclusion Overweight and obesity might increase the risk of myopia among middle school students, targeted measures should be taken to maintain the healthy weight of middle school students and reduce the risk of myopia. -
Key words:
- Overweight /
- Obesity /
- Myopia /
- Regression analysis /
- Students
1) 利益冲突声明 所有作者声明无利益冲突。 -
表 1 不同人口统计学特征中学生近视检出率比较
Table 1. Comparison of myopia rates among middle school students with different demographic characteristics
人口统计学指标 选项 男生 女生 合计 人数 检出人数 χ2值 P值 人数 检出人数 χ2值 P值 人数 检出人数 χ2值 P值 学段 初中 991 724(73.1) 18.34 < 0.01 935 767(82.0) 8.98 < 0.01 1 926 1 491(77.4) 27.46 < 0.01 高中 690 566(82.0) 681 596(87.5) 1 371 1 162(84.8) 父母近视情况 父亲近视 165 146(88.5) 23.55 < 0.01 196 176(89.8) 26.53 < 0.01 361 322(89.2) 47.28 < 0.01 母亲近视 246 193(78.5) 251 228(90.8) 497 421(84.7) 父母均近视 131 111(84.7) 120 110(91.7) 251 221(88.0) 父母均不近视 1 139 840(73.7) 1 049 849(80.9) 2 188 1 689(77.2) 放学后作业时长/h < 1 395 282(71.4) 12.40 < 0.01 348 286(82.2) 2.83 0.24 743 568(76.4) 15.25 < 0.01 1~ < 2 758 579(76.4) 729 612(84.0) 1 487 1 191(80.1) ≥2 528 429(81.3) 539 466(86.3) 1 067 894(83.8) BMI分类 非超重肥胖 1 183 889(75.1) 6.32 0.04 1 293 1 085(83.9) 0.91 0.64 2 476 1 974(79.7) 4.36 0.11 超重 271 222(81.9) 216 186(86.1) 487 408(83.8) 肥胖 227 179(78.9) 107 92(86.0) 334 271(81.1) 注: ()内数字为检出率/%。 表 2 中学生近视程度的单因素多元Logistic回归分析(n=3 297)
Table 2. Univariate multiple Logistic regression of myopia degree in middle school students(n=3 297)
因变量 自变量 β值 OR值(OR值95%CI) P值 低度近视 超重 0.19 1.21(0.91~1.62) 0.20 肥胖 0.14 1.15(0.84~1.59) 0.38 中度近视 超重 0.27 1.31(0.99~1.75) 0.06 肥胖 -0.06 0.94(0.68~1.31) 0.73 高度近视 超重 0.56 1.74(1.19~2.56) < 0.01 肥胖 0.47 1.59(1.04~2.45) 0.03 注:自变量均以非超重肥胖组为参照。 表 3 中学生近视的多因素二元Logistic回归分析(n=3 297)
Table 3. Multivariate binary Logistic regression of myopia in middle school students(n=3 297)
学段 自变量 选项 β值 标准误 P值 Wald χ2值 OR值(OR值95%CI) 初中 性别 男 1.00 女 0.52 0.11 < 0.01 20.81 1.67(1.34~2.09) 父母近视情况 父母均不近视 1.00 父亲近视 0.99 0.22 < 0.01 20.06 2.68(1.74~4.13) 母亲近视 0.55 0.15 < 0.01 12.79 1.74(1.28~2.35) 父母都近视 0.77 0.24 < 0.01 10.15 2.16(1.34~3.46) 高中 性别 男 1.00 女 0.47 0.16 < 0.01 8.92 1.60(1.17~2.17) 放学后作业时长/h < 1 1.00 1~ < 2 0.34 0.18 0.06 3.46 1.41(0.10~2.08) ≥2 0.76 0.20 < 0.01 14.98 2.15(1.46~3.16) 父母近视情况 父母均不近视 1.00 父亲近视 0.70 0.31 0.02 5.21 2.01(1.10~3.65) 母亲近视 0.67 0.31 0.03 4.72 1.95(1.07~3.55) 父母都近视 0.86 0.38 0.02 5.07 2.36(1.12~4.96) BMI 非超重肥胖 1.00 超重及肥胖 0.59 0.20 < 0.01 9.03 1.81(1.23~2.66) -
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