Body mass index and visual impairment in Israeli adolescents: A nationwide study

IF 2.7 3区医学 Q1 PEDIATRICS Pediatric Obesity Pub Date : 2023-11-21 DOI:10.1111/ijpo.13083

Itay Nitzan, Nitzan Shakarchy, Jacob Megreli, Inbal Akavian, Estela Derazne, Arnon Afek, Alon Peled

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Abstract

Background

Previous research on the association between body mass index (BMI) and visual impairment (VI) in youth has reported inconsistent findings. We aimed to investigate this association in a national cohort of Israeli adolescents.

Methods

This retrospective, population-based, cross-sectional study included 1 697 060 adolescents (56.4% men; mean age 17 years) who underwent mandatory pre-military service assessments from 1993 to 2017. BMI was classified based on the US age- and sex-matched percentiles. Unilateral or bilateral VI was classified as best-corrected visual acuity (BCVA) worse than 6/9 in either or both eyes, respectively. Sex-stratified regression models adjusted for sociodemographic variables were used to analyse the BMI-VI relationship.

Results

Overall, 17 871 (1.05%) and 5148 (0.30%) adolescents had unilateral and bilateral VI, respectively. Compared with high-normal BMI (50th to 85th percentile), adjusted odds ratios (ORs) for unilateral and bilateral VI gradually increased with higher BMI, reaching 1.33 (1.13–1.55) and 1.80 (1.37–2.35) in men with severe obesity, and 1.51 (1.24–1.84) and 1.52 (1.08–2.14) in women with severe obesity, respectively. Men with underweight also had increased ORs for unilateral and bilateral VI (1.23; 1.14–1.33 and 1.59; 1.37–1.84, respectively), a pattern not observed in women (0.96; 0.86–1.07 and 1.02; 0.83–1.25, respectively). Results were maintained when the outcome was restricted to mild VI, as well as in subgroups of adolescents with unimpaired health and those without moderate-to-severe myopia.

Conclusions

Abnormal BMI, and particularly obesity, is associated with increased OR for VI in late adolescence.

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以色列青少年的身体质量指数和视力障碍:一项全国性研究。

背景:以往关于青少年身体质量指数(BMI)与视力障碍(VI)之间关系的研究报道了不一致的结果。我们的目的是在以色列青少年的国家队列中调查这种关联。方法:这项基于人群的回顾性横断面研究纳入了1 697 060名青少年(56.4%男性;平均年龄17岁)，在1993年至2017年期间接受了强制性兵役前评估。BMI是根据美国年龄和性别匹配的百分位数进行分类的。单侧或双侧VI分别被归类为单侧或双侧最佳矫正视力(BCVA)低于6/9。采用性别分层回归模型对社会人口学变量进行调整，分析BMI-VI的关系。结果:共有17 871例(1.05%)和5148例(0.30%)青少年患有单侧和双侧VI。与高正常BMI(第50 ~ 85个百分点)相比，随着BMI的升高，单侧和双侧VI的调整优势比(ORs)逐渐升高，重度肥胖男性分别达到1.33(1.13 ~ 1.55)和1.80(1.37 ~ 2.35)，重度肥胖女性分别达到1.51(1.24 ~ 1.84)和1.52(1.08 ~ 2.14)。体重过轻的男性单侧和双侧VI的ORs也增加(1.23;1.14-1.33和1.59;分别为1.37-1.84)，在女性中没有观察到这种模式(0.96;0.86-1.07和1.02;分别为0.83 - -1.25)。当结果被限制在轻度VI时，以及在健康未受损的青少年和没有中度至重度近视的青少年亚组中，结果保持不变。结论:BMI异常，尤其是肥胖，与青春期后期VI的OR增加有关。

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来源期刊

Pediatric Obesity PEDIATRICS-

CiteScore

7.30

自引率

5.30%

发文量

117

审稿时长

6-12 weeks

期刊介绍： Pediatric Obesity is a peer-reviewed, monthly journal devoted to research into obesity during childhood and adolescence. The topic is currently at the centre of intense interest in the scientific community, and is of increasing concern to health policy-makers and the public at large. Pediatric Obesity has established itself as the leading journal for high quality papers in this field, including, but not limited to, the following: Genetic, molecular, biochemical and physiological aspects of obesity – basic, applied and clinical studies relating to mechanisms of the development of obesity throughout the life course and the consequent effects of obesity on health outcomes Metabolic consequences of child and adolescent obesity Epidemiological and population-based studies of child and adolescent overweight and obesity Measurement and diagnostic issues in assessing child and adolescent adiposity, physical activity and nutrition Clinical management of children and adolescents with obesity including studies of treatment and prevention Co-morbidities linked to child and adolescent obesity – mechanisms, assessment, and treatment Life-cycle factors eg familial, intrauterine and developmental aspects of child and adolescent obesity Nutrition security and the "double burden" of obesity and malnutrition Health promotion strategies around the issues of obesity, nutrition and physical activity in children and adolescents Community and public health measures to prevent overweight and obesity in children and adolescents.