Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study

OBJECTIVE: This study aimed to investigate the relationship between birth order and stereoacuity among Chinese children aged 60–72 months. DESIGN: Cross-sectional. PARTICIPANTS: 1342 children with complete data on the questionnaire, stereoacuity and refraction were included. RESULTS: The mean stereo...

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Autores principales: Han, Shu, Zhang, Xiaohan, Li, Rui, Tong, Haohai, Zhao, Xiaoyan, Wang, Yue, Hao, Qingfeng, Huang, Dan, Zhu, Hui, Zhang, Xiaojun, Liu, Hu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group 2020
Materias:
Public Health
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7552866/
https://www.ncbi.nlm.nih.gov/pubmed/33046460
http://dx.doi.org/10.1136/bmjopen-2019-032833
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author Han, Shu
Zhang, Xiaohan
Li, Rui
Tong, Haohai
Zhao, Xiaoyan
Wang, Yue
Hao, Qingfeng
Huang, Dan
Zhu, Hui
Zhang, Xiaojun
Liu, Hu
author_facet Han, Shu
Zhang, Xiaohan
Li, Rui
Tong, Haohai
Zhao, Xiaoyan
Wang, Yue
Hao, Qingfeng
Huang, Dan
Zhu, Hui
Zhang, Xiaojun
Liu, Hu
author_sort Han, Shu
collection PubMed
description OBJECTIVE: This study aimed to investigate the relationship between birth order and stereoacuity among Chinese children aged 60–72 months. DESIGN: Cross-sectional. PARTICIPANTS: 1342 children with complete data on the questionnaire, stereoacuity and refraction were included. RESULTS: The mean stereoacuity was 53.2±1.7, 56.9±1.9 and 60.9±1.5 s of arc in the first-born group, second-born group and third-born group, respectively. Lower birth order was significantly correlated with better stereoacuity (p=0.036). Third-borns (OR=3.02, p=0.027) were at higher risk of having subnormal stereoacuity compared with first-borns in the multivariate analysis. CONCLUSION: Later-borns had poorer stereoacuity than first-borns.
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spelling pubmed-75528662020-10-21 Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study Han, Shu Zhang, Xiaohan Li, Rui Tong, Haohai Zhao, Xiaoyan Wang, Yue Hao, Qingfeng Huang, Dan Zhu, Hui Zhang, Xiaojun Liu, Hu BMJ Open Public Health OBJECTIVE: This study aimed to investigate the relationship between birth order and stereoacuity among Chinese children aged 60–72 months. DESIGN: Cross-sectional. PARTICIPANTS: 1342 children with complete data on the questionnaire, stereoacuity and refraction were included. RESULTS: The mean stereoacuity was 53.2±1.7, 56.9±1.9 and 60.9±1.5 s of arc in the first-born group, second-born group and third-born group, respectively. Lower birth order was significantly correlated with better stereoacuity (p=0.036). Third-borns (OR=3.02, p=0.027) were at higher risk of having subnormal stereoacuity compared with first-borns in the multivariate analysis. CONCLUSION: Later-borns had poorer stereoacuity than first-borns. BMJ Publishing Group 2020-10-12 /pmc/articles/PMC7552866/ /pubmed/33046460 http://dx.doi.org/10.1136/bmjopen-2019-032833 Text en © Author(s) (or their employer(s)) 2020. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ. http://creativecommons.org/licenses/by-nc/4.0/ http://creativecommons.org/licenses/by-nc/4.0/This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.
spellingShingle Public Health
Han, Shu
Zhang, Xiaohan
Li, Rui
Tong, Haohai
Zhao, Xiaoyan
Wang, Yue
Hao, Qingfeng
Huang, Dan
Zhu, Hui
Zhang, Xiaojun
Liu, Hu
Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study
title Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study
title_full Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study
title_fullStr Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study
title_full_unstemmed Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study
title_short Effect of birth order on stereoacuity in Chinese preschool children: a cross-sectional study
title_sort effect of birth order on stereoacuity in chinese preschool children: a cross-sectional study
topic Public Health
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7552866/
https://www.ncbi.nlm.nih.gov/pubmed/33046460
http://dx.doi.org/10.1136/bmjopen-2019-032833
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