Pre‐pregnancy body mass index is associated with dietary inflammatory index and C‐reactive protein concentrations during pregnancy

Dayeon Shin, Junguk Hur, Eun Hee Cho, Hae Kyung Chung, Nitin Shivappa, Michael D. Wirth, James R. Hébert, Kyung Won Lee

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

There have been a limited number of studies examining the association between prepregnancy body mass index (BMI) and dietary inflammation during pregnancy. Our aim is to examine the association between pre‐pregnancy BMI and the Dietary Inflammatory Index (DII)™ and C‐reactive protein (CRP) concentrations during pregnancy. The study included 631 pregnant American women from the National Health and Nutrition Examination Survey (NHANES) crosssectional examinations from 2003 to 2012. Pre‐pregnancy BMI was calculated based on self‐reported pre‐pregnancy weight and measured height. The cut‐offs of <18.5 (underweight), 18.5–24.9 (normal), 25.0–29.9 (overweight), and ≥30 kg/m2 (obese) were used to categorize the weight status of pregnant women prior to pregnancy. The DII, a literature‐based dietary index to assess the inflammatory properties of diet, was estimated based on a one‐day 24‐h recall. Multivariable linear and logistic regressions were performed to estimate beta coefficients and the adjusted odds ratios (AORs) and 95% confidence intervals (95% CIs) on the association of pre‐pregnancy BMI categories with the DII and CRP concentrations during pregnancy. After controlling for variables including: race/ethnicity, family poverty income ratio, education, marital status, month in pregnancy, and smoking status during pregnancy; women who were obese before pregnancy (n = 136) had increased odds for being in the highest tertile of the DII and CRP concentrations compared to women with normal weight (AORs 2.40, 95% CIs 1.01–5.71; AORs 24.84, 95% CIs 6.19–99.67, respectively). These findings suggest that women with pre‐pregnancy obesity had greater odds of reporting higher DII and having elevated CRP. In conclusion, high pre‐pregnancy BMI was associated with increased odds of pro‐inflammatory diet and elevated CRP levels during pregnancy in the USA.

Original languageEnglish (US)
Article number351
JournalNutrients
Volume9
Issue number4
DOIs
StatePublished - Apr 2017

Fingerprint

body mass index
Body Mass Index
pregnancy
Pregnancy
Proteins
proteins
odds ratio
confidence interval
Odds Ratio
Confidence Intervals
Weights and Measures
Pregnant Women
Diet
marital status
National Health and Nutrition Examination Survey
underweight
Thinness
Nutrition Surveys
smoking (food products)
Marital Status

Keywords

  • C‐reactive protein
  • Dietary inflammatory index
  • NHANES
  • Pregnancy body mass index
  • Reproductive health

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics

Cite this

Pre‐pregnancy body mass index is associated with dietary inflammatory index and C‐reactive protein concentrations during pregnancy. / Shin, Dayeon; Hur, Junguk; Cho, Eun Hee; Chung, Hae Kyung; Shivappa, Nitin; Wirth, Michael D.; Hébert, James R.; Lee, Kyung Won.

In: Nutrients, Vol. 9, No. 4, 351, 04.2017.

Research output: Contribution to journalArticle

Shin, Dayeon ; Hur, Junguk ; Cho, Eun Hee ; Chung, Hae Kyung ; Shivappa, Nitin ; Wirth, Michael D. ; Hébert, James R. ; Lee, Kyung Won. / Pre‐pregnancy body mass index is associated with dietary inflammatory index and C‐reactive protein concentrations during pregnancy. In: Nutrients. 2017 ; Vol. 9, No. 4.
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abstract = "There have been a limited number of studies examining the association between prepregnancy body mass index (BMI) and dietary inflammation during pregnancy. Our aim is to examine the association between pre‐pregnancy BMI and the Dietary Inflammatory Index (DII)™ and C‐reactive protein (CRP) concentrations during pregnancy. The study included 631 pregnant American women from the National Health and Nutrition Examination Survey (NHANES) crosssectional examinations from 2003 to 2012. Pre‐pregnancy BMI was calculated based on self‐reported pre‐pregnancy weight and measured height. The cut‐offs of <18.5 (underweight), 18.5–24.9 (normal), 25.0–29.9 (overweight), and ≥30 kg/m2 (obese) were used to categorize the weight status of pregnant women prior to pregnancy. The DII, a literature‐based dietary index to assess the inflammatory properties of diet, was estimated based on a one‐day 24‐h recall. Multivariable linear and logistic regressions were performed to estimate beta coefficients and the adjusted odds ratios (AORs) and 95{\%} confidence intervals (95{\%} CIs) on the association of pre‐pregnancy BMI categories with the DII and CRP concentrations during pregnancy. After controlling for variables including: race/ethnicity, family poverty income ratio, education, marital status, month in pregnancy, and smoking status during pregnancy; women who were obese before pregnancy (n = 136) had increased odds for being in the highest tertile of the DII and CRP concentrations compared to women with normal weight (AORs 2.40, 95{\%} CIs 1.01–5.71; AORs 24.84, 95{\%} CIs 6.19–99.67, respectively). These findings suggest that women with pre‐pregnancy obesity had greater odds of reporting higher DII and having elevated CRP. In conclusion, high pre‐pregnancy BMI was associated with increased odds of pro‐inflammatory diet and elevated CRP levels during pregnancy in the USA.",
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