Publications by authors named "Lipsky Leah"

Identifying malleable influences on eating behaviours will advance our ability to improve physical and mental health. Food-related emotional expectancies are the anticipated positive and negative emotions from eating different foods and are theorised to affect eating behaviour, and to be amenable to change. The Anticipated Effects of Food Scale (AEFS) assesses food-related emotional expectancies using 62 one-word items; however, a shorter questionnaire would be useful in large and clinical studies.

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Background: Early-life food exposures may influence food preferences and receptivity, thereby impacting long-term diet quality. Infant exposure to discretionary foods may be more detrimental for infants with high food approach traits; conversely, early exposure to fruits and vegetables may be more important for those with high food avoidance traits. This study investigated associations of infant food exposures with early childhood diet quality and whether these associations are modified by infant appetitive traits.

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Background: Although diet quality during pregnancy and postpartum is important for multiple parent and child outcomes, within-person changes in diet quality throughout these periods have not been extensively examined.

Objectives: This study investigated diet quality from early pregnancy through 1 y postpartum and examined differences by sociodemographic characteristics in participants receiving obstetric care in Chapel Hill, North Carolina, United States.

Methods: Participants completed 24-h dietary recalls at 6 study visits (each pregnancy trimester and 6 wk, 6 mo, and 1 y postpartum) (n = 383).

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Background: Feeding of nutrient-poor foods begins in infancy and may adversely influence long-term food preferences.

Objective: To examine associations of socioeconomic characteristics, childbearing parent eating behaviors, and home food environment with infant feeding characteristics.

Design: Secondary analysis of a prospective cohort study from first trimester of pregnancy through 12 months postpartum.

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While food addiction has been positively associated with excess weight and disordered eating behaviors, this has not been examined in representative samples of emerging adults, who are at elevated risk for these outcomes. This study investigated relationships of food addiction with weight outcomes, weight perception, and weight-control behaviors in emerging adults and estimated the population attributable fraction to food addiction. Data from an observational cohort study were collected in seven annual waves from 2010 to 2016.

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Background: Appetitive traits and parent feeding styles are associated with body mass index in children, yet their associations with child diet quality are unclear.

Objective: The objective was to examine relations of appetitive traits and parental feeding style with diet quality in 3.5-year-old children.

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Background: Gestational weight gain (GWG) is an expected component of a healthy pregnancy. Gaining weight within the recommended range helps support the mother's health by providing energy reserves and nutrients to meet the increased metabolic demands during pregnancy. Too much or too little GWG has been associated with adverse health outcomes for the mother and child.

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Background: Perceived stress is related to poor diet quality and unhealthy dietary patterns in women of reproductive age. Eating competence represents a variety of contextual skills reflecting a comfortable and flexible approach to eating and is associated with diet quality and health related behavior. In non-pregnant samples, perceived stress is negatively associated with eating competence.

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Objective: This study examined relationships of maternal pregnancy and postpartum diet quality with infant birth size and weight status indicators through 12 months and tested whether breastfeeding duration modifies these associations.

Methods: In the Pregnancy Eating Attributes Study (PEAS), dietary intake was assessed six times in 458 mothers who were followed from early pregnancy through 12 months postpartum (2014-2018). Logistic and linear mixed models estimated relationships of pregnancy and postpartum diet quality (Healthy Eating Index [HEI]) with offspring who were large-for-gestational-age (LGA) at birth, as well as BMI z score (BMIz) and weight-for-length z score (WFLz) at birth, 6 weeks, 6 months, and 12 months.

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Appetitive traits, including food responsiveness, enjoyment of food, satiety responsiveness and slowness in eating, are associated with childhood body mass index. Change in appetitive traits from infancy to childhood and the direction of causality between appetitive traits and body mass index are unclear. The present study examined the developmental trajectory of appetitive traits and their bidirectional relations with body mass index, from infancy to early childhood.

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Article Synopsis
  • Maternal asthma affects about 10% of pregnancies and may impact infant health through factors like hypoxia and inflammation.
  • The B-WELL-Mom study followed 418 pregnant individuals to explore the link between maternal asthma, its characteristics, and infant growth measurements.
  • Findings indicated that infants of mothers with asthma had similar body composition and size compared to those without asthma, suggesting no significant influence of maternal asthma on infant health.
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Purpose: Child appetitive traits, eating styles that reflect responsiveness to external influences and internal hunger and satiety signals, are associated with eating behaviors and susceptibility to excess weight gain. However, relatively little is known about early life influences on child appetitive traits. This study investigated relations of early life maternal feeding behaviors and food exposures with appetitive traits at age 3.

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Low diet quality during pregnancy and postpartum is associated with numerous adverse maternal and infant health outcomes. This study examined relations of ultra-processed food intake with diet quality during pregnancy and postpartum. Using data from 24-h recalls, ultra-processed food intake was operationalized as percent energy intake from NOVA-classified ultra-processed foods; diet quality was measured using Healthy Eating Index 2015 (HEI) total and component scores.

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Background: Infant appetitive traits including eating rate, satiety responsiveness, food responsiveness, and enjoyment of food predict weight gain in infancy and early childhood. Although studies show a strong genetic influence on infant appetitive traits, the association of parent and infant appetite is understudied. Furthermore, little research examines the influence of maternal pregnancy dietary intake, weight indicators, and feeding mode on infant appetite.

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Background: Excessive intake of ultra-processed foods, formulated from substances extracted from foods or derived from food constituents, may be a modifiable behavioral risk factor for adverse maternal and infant health outcomes. Prior work has predominately examined health correlates of maternal ultra-processed food intake in populations with substantially lower ultra-processed food intake compared to the US population. This longitudinal study investigated relations of ultra-processed food intake with maternal weight change and cardiometabolic health and infant growth in a US cohort.

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Objective: To examine associations of school food availability with student intake frequency and BMI, and whether the number of neighbourhood food outlets modifies these associations.

Design: Baseline assessment of a nationally representative cohort study of US 10th graders. Students reported intake frequency of fruits and vegetables (FV), snacks and soda.

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Background: Poor asthma control is common during pregnancy and contributes to adverse pregnancy outcomes. Identification of risk factors for poor gestational asthma control is crucial.

Objective: Examine associations of body composition and gestational weight gain with asthma control in a prospective pregnancy cohort (n = 299).

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This study investigates the relationship between meal-specific eating patterns during pregnancy and postpartum with maternal diet quality and energy intake. Participants in a prospective cohort study completed 24-h dietary recalls three times throughout both pregnancy and 1 year postpartum ( = 420). Linear regressions estimated the associations of eating frequency (number of daily main meals and eating occasions), meal and energy regularity (meal skipping and variation of daily energy intake), and intake timing patterns (distribution of energy intake throughout the day, derived using principal component analysis) with daily energy intake and diet quality (Healthy Eating Index-2015, calculated daily and overall, across both pregnancy and postpartum).

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Objective: This study examines the associations of eating-related motivation, perceived norms, and their interaction with eating behaviors in emerging adults.

Design: Data are from the NEXT Generation Health Study, a nationally representative sample of US emerging adults. Binominal logistic regression analyses estimated associations of eating behaviors with self-determined motivation, non-self-determined motivation, and perceived social norms.

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Background: Suboptimal feeding behaviors during infancy, such as introducing solids prior to 4 months and providing foods containing added sugars, are associated with increased risk of later obesity. Although focus group studies suggest that infant appetitive traits during milk feeding stage may influence complementary feeding practices, quantitative evidence on this relationship is lacking.

Methods: This study included women who were followed from first trimester to 1-year postpartum.

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Background: Infant obesogenic appetitive behaviors are associated with greater infant weight and child obesity, yet little is known about maternal influences on infant appetitive behaviors. This study examines the relations between maternal eating behaviors, feeding to soothe, and infant appetitive behaviors in a longitudinal sample of United States mothers.

Methods: Pregnant women were recruited in the first trimester (< 12 weeks) and followed through 1 year postpartum.

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Background: Little is known about how meal-specific food intake contributes to overall diet quality during pregnancy, which is related to numerous maternal and child health outcomes. Food networks are probabilistic graphs using partial correlations to identify relationships among food groups in dietary intake data, and can be analyzed at the meal level. This study investigated food networks across meals in pregnant women and explored differences by overall diet quality classification.

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Maximizing data completion and study retention is essential in population research. This study examined the effect of remuneration schedule and data collection modality on data completion and retention in the Pregnancy Eating Attributes Study cohort. Participants (n = 458) completed online surveys and attended six in-person study visits.

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Background: Depression, stress, and poor-quality sleep are common during pregnancy and postpartum, but the relationship of these factors with reward-related eating is not well understood. This observational cohort study examines associations of depression, stress, and sleep quality with self-reported reward-related eating in pregnancy and postpartum.

Methods: Participants were enrolled at < 12 weeks gestation and followed through 1 year postpartum.

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