Body Composition Differences and Influencing Factors in Early Pregnancy between Naxi and Han Ethnic Groups

Junqiang WANG; Limei HE; Jie SONG; Hongjuan HE; Ping HE

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Junqiang WANG, Limei HE, Jie SONG, Hongjuan HE, Ping HE. Body Composition Differences and Influencing Factors in Early Pregnancy between Naxi and Han Ethnic Groups[J]. Journal of Kunming Medical University.

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Junqiang WANG, Limei HE, Jie SONG, Hongjuan HE, Ping HE. Body Composition Differences and Influencing Factors in Early Pregnancy between Naxi and Han Ethnic Groups[J]. Journal of Kunming Medical University.

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Body Composition Differences and Influencing Factors in Early Pregnancy between Naxi and Han Ethnic Groups

Junqiang WANG^{1, 2},
Limei HE¹,
Jie SONG²,
Hongjuan HE^{2
,
,},
Ping HE^{2
,
,}

1.
Department of Epidemiology and Health Statistics，School of Public Health，Kunming Medical University，Kunming Yunnan 650500
2.
Department of Obstetrics and Gynecology，Lijiang Maternal and Child Health Hospital，Lijiang Yunnan 674100，China

Received Date: 2025-12-22
Available Online: 2026-03-14

Abstract

Abstract

Objective To compare body composition differences and dietary intake between Naxi and Han pregnant women in early pregnancy, and analyze the influencing factors of body composition. Methods A cross-sectional study was conducted on 271 Han and Naxi pregnant women in early pregnancy who received examinations at Lijiang Women and Children's Hospital from August to December 2024. The differences in body composition and dietary intake between the two ethnic groups were analyzed, and multiple linear regression analysis was used to identify the influencing factors of body composition indices. Results Pre-pregnancy weight and pre-pregnancy BMI of Naxi pregnant women were significantly higher than those of Han pregnant women （Z = -3.024、Z = -2.984, P < 0.05）. Body fat percentage, basal metabolic rate, total body water, intracellular fluid, extracellular fluid, body fat mass, lean body mass, and muscle mass of Naxi pregnant women in early pregnancy were all significantly higher than those of Han pregnant women in early pregnancy （Z = -3.123、Z = -3.161、Z = -2.623、Z = -2.078、Z = -2.569、Z = -3.454、Z = -2.645、Z = -2.624, P < 0.05）. Average intake of cereals and tubers was significantly higher in Naxi pregnant women in early pregnancy than in Han pregnant women, while average vegetable intake was significantly lower （Z = -2.164、Z = -2.289, P < 0.05）. Multiple linear regression analysis showed that pre-pregnancy BMI was the main influencing factor for body fat percentage （B = 1.237）, basal metabolic rate （B = 24.088）, total body water （B = 0.688）, lean body mass （B = 0.803）, and muscle mass （B = 0.882）. Intake of cereals, tubers, fish, poultry, meat, and eggs was influencing factors for basal metabolic rate （B = 0.085, B = 0.172）, lean body mass （B = 0.004, B = 0.008）, muscle mass （B = 0.004, B = 0.011）, and total body water （B = 0.003, B = 0.008）. Conclusion Pre-pregnancy BMI is the main influencing factor for body composition in both Naxi and Han pregnant women in early pregnancy. Intake of cereals, tubers, fish, poultry, meat, and eggs has a significant promoting effect on basal metabolic rate, lean body mass, muscle mass, and total body water.
- Body composition,
- Naxi ethnic group,
- Early pregnancy,
- Pregnant woman

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References(46)

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