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Young adult vegetarians in Shanghai have comparable bone health to omnivores despite lower serum 25(OH) vitamin D in vegans: a cross-sectional study.
Asia Pac J Clin Nutr. 2019; 28(2):383-388.AP

Abstract

BACKGROUND AND OBJECTIVES

The association between a vegetarian diet and bone mineral density (BMD) remains unclear, particularly in young adults. This study was designed to compare the bone health status of young vegetarians and omnivores in Shanghai, China.

METHODS AND STUDY DESIGN

A total of 246 vegetarians (following a vegan or lacto-ovo-vegetarian diet for at least 1 year) and 246 age- and sex-matched omnivores were recruited among young adult residents of Shanghai, China. The ultrasound bone mineral density analyser CM-200 was employed to measure calcaneus mineral densities, and blood samples were collected to determine serum 25- hydroxyvitamin D status. Intakes of protein, calcium and vitamin D were assessed by the 24-hour dietary recall method.

RESULTS

The average age of the vegetarians was 32.7±6.5 years, 83.3% of whom were female; 71.3% of the participants had been vegetarians for no more than 5 years. After adjusting for some potential cofounding factors, the serum 25-hydroxyvitamin D concentration of vegans (15.0±13.4 μg/L) was significantly lower than that of omnivores (17.6±8.8 μg/L, p<0.05). The protein, calcium and vitamin D intakes of vegetarians were all lower than those of omnivores (p<0.05). However, there was no significant difference in calcaneus mineral density between vegetarians and omnivores or between vegans and lacto-ovo vegetarians.

CONCLUSIONS

Serum 25- hydroxyvitamin D concentrations in vegans, but not in lacto-ovo vegetarians, were slightly lower than those in omnivores. However, short-term vegetarian diets did not result in adverse effects on bone mineral density in young Chinese adults.

Authors+Show Affiliations

Department of Nutrition, School of Public Health, Shanghai Jiao Tong University, Shanghai, China.Department of Nutrition, School of Public Health, Shanghai Jiao Tong University, Shanghai, China.Department of Nutrition, School of Public Health, Shanghai Jiao Tong University, Shanghai, China.Department of Clinical Nutrition, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China. Department of Clinical Nutrition, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.Department of Nutrition, School of Public Health, Shanghai Jiao Tong University, Shanghai, China. srachel@126.com. Department of Clinical Nutrition, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31192568

Citation

Xie, Luyao, et al. "Young Adult Vegetarians in Shanghai Have Comparable Bone Health to Omnivores Despite Lower Serum 25(OH) Vitamin D in Vegans: a Cross-sectional Study." Asia Pacific Journal of Clinical Nutrition, vol. 28, no. 2, 2019, pp. 383-388.
Xie L, Wang B, Cui X, et al. Young adult vegetarians in Shanghai have comparable bone health to omnivores despite lower serum 25(OH) vitamin D in vegans: a cross-sectional study. Asia Pac J Clin Nutr. 2019;28(2):383-388.
Xie, L., Wang, B., Cui, X., Tang, Q., Cai, W., & Shen, X. (2019). Young adult vegetarians in Shanghai have comparable bone health to omnivores despite lower serum 25(OH) vitamin D in vegans: a cross-sectional study. Asia Pacific Journal of Clinical Nutrition, 28(2), 383-388. https://doi.org/10.6133/apjcn.201906_28(2).0021
Xie L, et al. Young Adult Vegetarians in Shanghai Have Comparable Bone Health to Omnivores Despite Lower Serum 25(OH) Vitamin D in Vegans: a Cross-sectional Study. Asia Pac J Clin Nutr. 2019;28(2):383-388. PubMed PMID: 31192568.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Young adult vegetarians in Shanghai have comparable bone health to omnivores despite lower serum 25(OH) vitamin D in vegans: a cross-sectional study. AU - Xie,Luyao, AU - Wang,Bian, AU - Cui,Xueying, AU - Tang,Qingya, AU - Cai,Wei, AU - Shen,Xiuhua, PY - 2019/6/14/entrez PY - 2019/6/14/pubmed PY - 2020/1/7/medline SP - 383 EP - 388 JF - Asia Pacific journal of clinical nutrition JO - Asia Pac J Clin Nutr VL - 28 IS - 2 N2 - BACKGROUND AND OBJECTIVES: The association between a vegetarian diet and bone mineral density (BMD) remains unclear, particularly in young adults. This study was designed to compare the bone health status of young vegetarians and omnivores in Shanghai, China. METHODS AND STUDY DESIGN: A total of 246 vegetarians (following a vegan or lacto-ovo-vegetarian diet for at least 1 year) and 246 age- and sex-matched omnivores were recruited among young adult residents of Shanghai, China. The ultrasound bone mineral density analyser CM-200 was employed to measure calcaneus mineral densities, and blood samples were collected to determine serum 25- hydroxyvitamin D status. Intakes of protein, calcium and vitamin D were assessed by the 24-hour dietary recall method. RESULTS: The average age of the vegetarians was 32.7±6.5 years, 83.3% of whom were female; 71.3% of the participants had been vegetarians for no more than 5 years. After adjusting for some potential cofounding factors, the serum 25-hydroxyvitamin D concentration of vegans (15.0±13.4 μg/L) was significantly lower than that of omnivores (17.6±8.8 μg/L, p<0.05). The protein, calcium and vitamin D intakes of vegetarians were all lower than those of omnivores (p<0.05). However, there was no significant difference in calcaneus mineral density between vegetarians and omnivores or between vegans and lacto-ovo vegetarians. CONCLUSIONS: Serum 25- hydroxyvitamin D concentrations in vegans, but not in lacto-ovo vegetarians, were slightly lower than those in omnivores. However, short-term vegetarian diets did not result in adverse effects on bone mineral density in young Chinese adults. SN - 1440-6047 UR - https://www.unboundmedicine.com/medline/citation/31192568/Young_adult_vegetarians_in_Shanghai_have_comparable_bone_health_to_omnivores_despite_lower_serum_25_OH__vitamin_D_in_vegans:_a_cross_sectional_study_ L2 - http://apjcn.nhri.org.tw/server/APJCN/28/2/383.pdf DB - PRIME DP - Unbound Medicine ER -