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母乳喂养持续时间与学龄前儿童屈光不正关联研究

Association between duration of breastfeeding and refractive error in preschool children

    摘要
  • 摘要:
    目的 探讨母乳喂养持续时间与学龄前儿童屈光不正的关系。
    方法 采取横断面调查研究, 利用问卷调查的方法调查2 915名3~6岁学龄前儿童视力情况。
    结果 采用Logistic回归方程调整父母学历水平、早产、出生体质量、家庭结构、独生子女、视屏时间、户外活动时间、睡眠时间等潜在混杂因素后，与母乳喂养持续时间 < 6个月相比，母乳喂养持续时间6~12个月(OR=0.683, 95%CI: 0.516~0.903)、＞12个月(OR=0.628, 95%CI: 0.451~0.874)是屈光不正的保护因素。进一步分层分析发现，母乳喂养持续时间6~12个月(OR=0.640, 95%CI: 0.459~0.892)、＞12个月(OR=0.519, 95%CI: 0.347~0.777)对3~4岁学龄前儿童视力有保护作用。
    结论 母乳喂养持续时间长是3~4岁学龄前儿童屈光不正的保护因素，延长母乳喂养时间有利于减少屈光不正的发生。

     

    Abstract:
    Objective To explore the relationship between the duration of breastfeeding and refractive 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 using 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 breastfeeding 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.

     

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