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Comparison of the incidence of small for gestational age between Li and Han ethnic groups in Hainan Province
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Qing LUO1, 2, 3, Jing LIANG1, 2, Nuo WANG1, 2, Wei-jia WU1, 3, Wen-qian LI1, 2, Li-chun FAN1, 3
Modern Preventive Medicine | 2026, 53(1) : 94 - 99
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Modern Preventive Medicine | 2026, 53(1): 94-99
• Child and Adolescent Health, Maternal and Child Health •
Comparison of the incidence of small for gestational age between Li and Han ethnic groups in Hainan Province
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Qing LUO1, 2, 3, Jing LIANG1, 2, Nuo WANG1, 2, Wei-jia WU1, 3, Wen-qian LI1, 2, Li-chun FAN1, 3
Affiliations
  • Department of Research Service, Hainan Women and Children’s Medical Center, Haikou, Hainan 570312, China
Published: 2026-01-10 doi: 10.20043/j.cnki.MPM.202508004
Outline
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Objective

To investigate the association between Li ethnicity and the risk of delivering small for gestational age(SGA).

Methods

Based on data from 1 472 940 live births recorded in the Hainan Provincial Birth Certificate System between 2010 and 2021, generalized linear models were employed to analyze the associations between different combinations of Han and Li parental ethnicity and the risk of SGA and its subtypes. Statistical interactions were assessed to examine the influence of demographic characteristics and perinatal factors on these associations.

Results

The SGA rate among Li parents was 22.99%,followed by Li father/Han mother (17.96%) and Han father/Li mother pairs (16.22%), all significantly higher than that of Han pairs (15.05%, P<0.001). The patterns for different SGA subtypes were generally consistent with the overall trend. Adjusted models showed a graded increase in SGA risk relative to Han pairs: Han father/Li mother (RR=1.041, 95% CI: 1.026-1.057), Li father/Han mother (RR=1.115, 95% CI: 1.094-1.136) and Li pairs (RR=1.385, 95% CI: 1.371-1.400). Multiplicative interaction models showed the association was significantly modified by parental age, multiplicity, residence, neonatal sex, and delivery hospital (P<0.05).

Conclusion

Our findings suggest that Li ethnicity may be an independent risk factor for SGA.Targeted interventions and optimized perinatal care tailored to the Li population are needed to improve maternal and infant health outcomes.

Small for gestational age  /  Li ethnicity  /  Ethnicity
罗庆, 梁靖, 王诺, 吴维佳, 李文倩, 樊利春. 海南省黎族与汉族小于胎龄儿发生情况比较. 现代预防医学, 2026 , 53 (1) : 94 -99 . DOI: 10.20043/j.cnki.MPM.202508004
Qing LUO, Jing LIANG, Nuo WANG, Wei-jia WU, Wen-qian LI, Li-chun FAN. Comparison of the incidence of small for gestational age between Li and Han ethnic groups in Hainan Province[J]. Modern Preventive Medicine, 2026 , 53 (1) : 94 -99 . DOI: 10.20043/j.cnki.MPM.202508004
Appendix
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Year 2026 volume 53 Issue 1
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Article Info
doi: 10.20043/j.cnki.MPM.202508004
  • Receive Date：2025-08-01
  • Online Date：2026-11-02
  • Published：2026-01-10
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History
  • Received：2025-08-01
Funding
Affiliations
    Department of Research Service, Hainan Women and Children’s Medical Center, Haikou, Hainan 570312, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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