Relationship between lifestyle and the comorbidity of myopia and depressive symptoms among primary and secondary school students in Nanjing
Objective To explore the relationship between lifestyle and myopia and depressive symptoms comorbidity among pri-mary and secondary school students in Nanjing,so as to provide a scientific basis for developing effective prevention measures.Methods In October 2022,a stratified cluster random sampling method was used to select primary and secondary school students aged 9-19 years in 4 urban and 4 suburban districts in Nanjing as the research subjects.A total of 10 498 students were included for physical examination and questionnaire survey by using the student health condition and influencing factors questionnaire.Chi-square test was used for univariate analysis,and multi-factor Logistic regression analysis was used to analyze the relationship be-tween students'lifestyle and the co-occurrence of myopia and depressive symptoms.Results The prevalence of comorbidity of screening positive myopia and depression among primary and secondary school students in Nanjing was 18.11％.The prevalence of comorbidity was higher in girls(20.97％)than in boys(15.47％),higher in boarding students(31.31％)than in non-boarding students(16.51％),and higher in high school students than in middle and primary school students(28.63％,19.10％,7.76％),with statistically significant differences(x2=53.49,149.31,522.55,P＜0.01).Multivariate Logistic regression results showed that smoking(OR=1.51),drinking(OR=2.36),looking at electronic screens in dim conditions(OR=2.40),screen time ≥2 h/d(OR=1.50),after-school homework time ≥2 h/d(OR=1.48)were positively correlated with the prevalence of comorbidity of screening positive myopia and depressive symptoms,healthy diet(OR=0.67),outdoor activities during breaks(OR=0.80),suffi-cient sleep(OR=0.64),meeting physical activity standards(OR=0.74)and outdoor activity time ≥2 h/d(OR=0.84)were nega-tively correlated with the prevalence of comorbidity of screening positive of myopia and depressive symptoms(P＜0.05).Conclu-sions The lifestyle of primary and secondary school students in Nanjing is related to the comorbidity of myopia and depressive symptoms.Schools and families should carry out relevant education and intervention measures to promote students to develop good living habits and jointly prevent the occurrence of myopia and depressive symptoms.
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