期刊
FRONTIERS IN NUTRITION
卷 8, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnut.2021.782011
关键词
dietary patterns; birth weight (BW); gestational weight gain (GWG); mediation analysis; plant-based foods; pregnant population
资金
- National Program on Basic Research Project of China [2013FY114200]
- National Natural Science Foundation of China [81973043]
- Chinese Nutrition Society Nutrition Science Foundation-Feihe Tizhi, nutrition and health research fund [CNS-Feihe2019A33]
This study found that a dietary pattern rich in beans and vegetables is beneficial for effectively controlling maternal weight gain and increasing birth weight.
The associations among maternal diet, birth weight, and gestational weight gain are still inconclusive. This study aimed to investigate the associations between maternal dietary patterns and birth weight, and further explore whether GWG mediates these associations. A total of 3,334 pregnant women who completed a validated semi-quantitative food frequency questionnaire from the Tongji Maternal and Child Health Cohort were included. Dietary patterns were extracted by using principal component analysis. Regression models and mediation analyses were performed to explore the associations between dietary patterns and birth weight and the effects of GWG on these associations. Five dietary patterns were identified: Beans-vegetables, Fish-meat-eggs, Nuts-whole grains, Organ-poultry-seafood and Rice-wheat-fruits. Only women following the Beans-vegetables pattern had heavier newborns (beta = 47.39; 95% CI: 12.25, 82.54). Women following the Beans-vegetables pattern had significantly lower GWG (beta = -0.7; 95% CI: -1.15, -0.25) and had a 16% lower risk of excessive GWG and 11% higher odd of adequate GWG. The association between the Beans-vegetables pattern and birth weight was negatively mediated by GWG. A dietary pattern enriched in beans and vegetables is beneficial for effectively controlling GWG and increasing birth weight. GWG serves.
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