Cataract surgery incidence and influencing factors in middle-aged and elderly Chinese:a prospec-tive cohort study
Objective The study aimed to explore the pattern of cataract surgery incidence and influencing factors among middle-aged and older people in China.Methods The study adopted a prospective cohort design.It was based on the tracking studies data of cataract surgery incidence in a cohort of 12 522 middle-aged and older people from the China Health and Retirement Longitudinal Study 2011-2018,and analysed the influencing factors of cataract surgery incidence using logistic regression.Results The 12 522 middle-aged and elderly Chinese population participated in four consecutive rounds of survey from 2011 to 2018,and the 7-year incidence of cataract surgery was 2.89％.The 7-year incidence of cataract surgery in the elderly population aged 60 years and older was 5.34％,which showed an increasing trend along with older age.Logistic regression results showed that the following factors were significantly associated with the increase of the incidence of cataract surgery:older age,being female,having poorer distant or near vision,having diabetes,having a lower level of education,and having a lower per capita weekly expenditure per household(OR=1.072,95％CI:1.071-1.074,P＜0.001;OR=1.141,95％CI:1.108-1.176,P=0.030;OR=1.587,95％CI:1.531-1.646,P＜0.001;OR=1.445,95％CI:1.394-1.499,P＜0.001;OR=1.474,95％CI:1.417-1.533,P＜0.001;OR=0.867,95％CI:0.840-0.895,P=0.002;OR=0.982,95％CI:0.966-0.997,P=0.019).A similar result was found in the analyses on the risk groups such as the population aged 60 years and older and the elderly with poor distant vision.However,socioeconomic factors were no longer the main influence on the occurrence of cataract surgery.Conclusions Individual demographic characteristics and the prevalence of chronic conditions significantly influence the incidence of cataract surgery.Health promotion programs aimed at eye care,advocated by relevant authorities,are instrumental in mitigating the impact of socio-economic factors on the accessibility of cataract surgery for the elderly.A holistic approach that considers both health status and eye health services is crucial for the effective implementation of programs designed to enhance the uptake of cataract surgery.
Middle-aged and elderlyCataract surgery incidenceInfluencing factorCohort study
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