Association between duration of breastfeeding and refractive error in preschool children
- VernacularTitle:母乳喂养持续时间与学龄前儿童屈光不正关联研究
- Author:
Mang GUI
1
;
Lei WANG
;
Lei ZHANG
;
Xifeng XIAO
;
Xiaoli ZHANG
;
Beibei WU
Author Information
- Keywords: breastfeeding; refractive error; preschool children; age stratification; visual devel-opment; protective factor; cross-sectional study; long-chain polyunsaturated fatty acids
- From: Journal of Clinical Medicine in Practice 2025;29(20):130-133
- CountryChina
- Language:Chinese
- Abstract: Objective To explore the relationship between the duration of breastfeeding and re-fractive error in preschool children.Methods A cross-sectional survey was conducted to investigate the visual acuity of 2,915 preschool children aged 3 to 6 years using a questionnaire.Results After adjusting for potential confounding factors such as parental education level,premature birth,birth weight,family structure,only-child status,screen-watching,outdoor activity time,and sleep time u-sing a Logistic regression equation,compared with a breastfeeding duration of less than 6 months,a breastfeeding duration of 6 to 12 months(OR=0.683,95％CI:0.516 to 0.903)and＞12 months(OR=0.628,95％CI:0.451 to 0.874)were found to be protective factors against refractive error.Further stratified analysis revealed that a breastfeeding duration of 6 to 12 months(OR=0.640,95％CI:0.459 to 0.892)and＞12 months(OR=0.519,95％CI:0.347 to 0.777)had a protective effect on the visual acuity of preschool children aged 3 to 4 years.Conclusion The duration of breastfeed-ing is a protective factor against refractive error in preschool children aged 3 to 4 years,and prolonging the duration of breastfeeding is beneficial for reducing the occurrence of refractive error.
