The Relationship Between Potential Listeria monocytogenes Exposure and Diet Quality and Dietary Intake During Pregnancy: A Cross-Sectional Analysis in Australian Women

IF 2.9 3区医学 Q3 NUTRITION & DIETETICS

Journal of Human Nutrition and Dietetics Pub Date : 2025-03-04 DOI:10.1111/jhn.70032

Kee June Ooi, Sasha Fenton, Rachael Taylor, Melinda J. Hutchesson, Madeleine Hinwood, Clare Collins

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引用次数: 0

Abstract

Background

Research conducted over two decades ago indicated that more frequent consumption of foods potentially harbouring Listeria monocytogenes is associated with higher nutrient intakes but also higher risk of miscarriage. However, the influence of potential exposure to Listeria monocytogenes on pregnant women's diet quality is yet to be examined. Additionally, advancements in agricultural practices and food consumption trends in recent years may have led to changes in pregnant women's dietary intake. Therefore, the present study aimed to evaluate the associations between potential L. monocytogenes exposure and dietary quality, and dietary intake in two contemporary cohorts of pregnant women in Australia.

Methods

A secondary analysis of two combined pregnancy cohorts of women aged ≥ 19 years with a singleton pregnancy from the Newcastle, New South Wales (n = 441) and Perth, Western Australia (n = 1197) was conducted. Potential L. monocytogenes exposure was estimated by the Listeria Food Exposure Score (LFES), dietary intake was assessed using the Australian Eating Survey and diet quality using the Australian Recommended Food Score. Pearson's correlation and linear regression analyses were performed to estimate the associations between potential L. monocytogenes exposure and dietary quality and intake, with adjustment for potential confounders.

Results

Data from 1638 women (mean [SD] age 32.0 [5.0] years, 57.8% born in Australia) were included. The median (IQR) gestational age was 35 (34–36) weeks and 43.5% of women had no prior pregnancies. A higher LFES (i.e., more frequent consumption of potential food sources of L. monocytogenes) was significantly associated with higher diet quality score (r = 0.60, p < 0.001), higher intakes of nutrient-dense core foods (r = 0.11–0.43, p < 0.001), and higher micronutrient intakes (r = 0.24–0.52, all p < 0.001).

Conclusion

More frequent consumption of foods that potentially harbour Listeria monocytogenes is associated with higher diet quality and nutrient intakes. Further research is needed to identify how to support women to achieve optimal diet quality and nutrient intakes while simultaneously minimising risk of listeriosis.

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潜在的单核细胞增生李斯特菌暴露与怀孕期间饮食质量和饮食摄入的关系：澳大利亚妇女的横断面分析

二十多年前进行的研究表明，更频繁地食用可能含有单核细胞增生李斯特菌的食物与较高的营养摄入量有关，但也与较高的流产风险有关。然而，潜在暴露于单核细胞增生李斯特菌对孕妇饮食质量的影响还有待研究。此外，近年来农业实践和食品消费趋势的进步可能导致孕妇饮食摄入量的变化。因此，本研究旨在评估澳大利亚两个当代孕妇队列中潜在的单核细胞增生乳杆菌暴露与饮食质量和饮食摄入量之间的关系。方法对来自新南威尔士州纽卡斯尔（n = 441）和西澳大利亚州珀斯（n = 1197）的年龄≥19岁的单胎妊娠妇女进行二次分析。通过李斯特菌食物暴露评分（LFES）评估潜在的单核细胞增生乳杆菌暴露，使用澳大利亚饮食调查评估饮食摄入量，使用澳大利亚推荐食物评分评估饮食质量。采用Pearson相关和线性回归分析来估计潜在的单核增生乳杆菌暴露与饮食质量和摄入量之间的关系，并对潜在的混杂因素进行调整。结果纳入1638名女性（平均[SD]年龄32.0[5.0]岁，57.8%出生在澳大利亚）的数据。中位胎龄（IQR）为35（34-36）周，43.5%的妇女没有妊娠史。较高的LFES（即更频繁地食用单核增生乳杆菌的潜在食物来源）与较高的饮食质量评分（r = 0.60, p < 0.001）、较高的营养密集核心食物摄入量（r = 0.11-0.43, p < 0.001）和较高的微量营养素摄入量（r = 0.24-0.52，均p <； 0.001）显著相关。结论频繁食用可能含有单核细胞增生李斯特菌的食物与较高的饮食质量和营养摄入有关。需要进一步的研究来确定如何支持妇女实现最佳的饮食质量和营养摄入，同时最大限度地减少李斯特菌病的风险。

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来源期刊

Journal of Human Nutrition and Dietetics 医学-营养学

CiteScore

5.30

自引率

15.20%

发文量

133

审稿时长

6-12 weeks

期刊介绍： Journal of Human Nutrition and Dietetics is an international peer-reviewed journal publishing papers in applied nutrition and dietetics. Papers are therefore welcomed on: - Clinical nutrition and the practice of therapeutic dietetics - Clinical and professional guidelines - Public health nutrition and nutritional epidemiology - Dietary surveys and dietary assessment methodology - Health promotion and intervention studies and their effectiveness - Obesity, weight control and body composition - Research on psychological determinants of healthy and unhealthy eating behaviour. Focus can for example be on attitudes, brain correlates of food reward processing, social influences, impulsivity, cognitive control, cognitive processes, dieting, psychological treatments. - Appetite, Food intake and nutritional status - Nutrigenomics and molecular nutrition - The journal does not publish animal research The journal is published in an online-only format. No printed issue of this title will be produced but authors will still be able to order offprints of their own articles.