Nadia Koyratty

Dr. Nadia Koyratty

orcid

Research Focus & Metrics

Academic Career Length

6Years (2021-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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2 March 2021 in Cancer Epidemiology, Biomarkers & Prevention
Verified
Journal Article
Open access
PDF file
NKNadia Koyratty
Nadia Koyratty
SMSusan McCann
Susan McCann
AMAmy E. Millen
Amy E. Millen
JNJing Nie
Jing Nie
MTMaurizio Trevisan
Maurizio Trevisan
JFJo Freudenheim
Jo Freudenheim
Background: There is growing evidence of an association between sugar-sweetened beverages (SSB) and increased risk of mortality in various populations. However, SSB influence on mortality among patients with breast cancer is unknown. Methods: We assessed the relationship between sugar-sweetened soda and both all-cause and breast cancer mortality among women with incident, invasive breast cancer from the Western New York Exposures and Breast Cancer Study. Breast cancer cases were followed for a median of 18.7 years, with ascertainment of vital status via the National Death Index. Frequency of sugar-sweetened soda consumption was determined via dietary recall using a food frequency questionnaire. Cox proportional hazards, adjusting for relevant variables, were used to estimate HRs and 95% confidence intervals (CI). Results: Of the 927 breast cancer cases, 386 (54.7%) had died by the end of follow-up. Compared with never/rarely sugar-sweetened soda drinkers, consumption at ≥5 times per week was associated with increased risk of both total (HR = 1.62; 95% CI, 1.16–2.26; Ptrend < 0.01) and breast cancer mortality (HR = 1.85; 95% CI, 1.16–2.94; Ptrend < 0.01). Risk of mortality was similarly increased among ER-positive, but not ER-negative patients; among women with body mass index above the median, but not below the median; and among premenopausal, but not postmenopausal women for total mortality only. Conclusions: Reported higher frequency of sugar-sweetened soda intake was associated with increased risks of both total and breast cancer mortality among patients with breast cancer. Impact: These results support existing guidelines on reducing consumption of SSB, including for women with a diagnosis of breast cancer.

NKNadia Koyratty
Nadia Koyratty
AJAndrew D. Jones
Andrew D. Jones
RSRoseanne Schuster
Roseanne Schuster
Katarzyna KordasKatarzyna Kordas
Katarzyna Kordas
Chin-Shang LiChin-Shang Li
Chin-Shang Li
OTon behalf of the SHINE Trial Team
on behalf of the SHINE Trial Team
Background: With millions of people experiencing malnutrition and inadequate water access, FI and WI remain topics of vital importance to global health. Existing unidimensional FI and WI metrics do not all capture similar multidimensional aspects, thus restricting our ability to assess and address food- and water-related issues. Methods: Using the Sanitation, Hygiene and Infant Nutrition Efficacy (SHINE) trial data, our study conceptualizes household FI (N = 3551) and WI (N = 3311) separately in a way that captures their key dimensions. We developed measures of FI and WI for rural Zimbabwean households based on multiple correspondence analysis (MCA) for categorical data. Results: Three FI dimensions were retained: ‘poor food access’, ‘household shocks’ and ‘low food quality and availability’, as were three WI dimensions: ‘poor water access’, ‘poor water quality’, and ‘low water reliability’. Internal validity of the multidimensional models was assessed using confirmatory factor analysis (CFA) with test samples at baseline and 18 months. The dimension scores were associated with a group of exogenous variables (SES, HIV-status, season, depression, perceived health, food aid, water collection), additionally indicating predictive, convergent and discriminant validities. Conclusions: FI and WI dimensions are sufficiently distinct to be characterized via separate indicators. These indicators are critical for identifying specific problematic insecurity aspects and for finding new targets to improve health and nutrition interventions.

18 September 2023 in Journal of the Academy of Nutrition and Dietetics
Verified
Journal Article
Open access
LCLauren Clay
Lauren Clay
NKNadia Koyratty
Nadia Koyratty
SRStephanie Rogus
Stephanie Rogus
UCUriyoán Colón-Ramos
Uriyoán Colón-Ramos
AHAzmal Hossan
Azmal Hossan
MNMeredith T. Niles
Meredith T. Niles
Limited research on food systems and food insecurity (FI) following disasters finds contextual differences in post-disaster food systems that shape dimensions of FI. Measurement limitations make it difficult to address FI and develop effective practices for disaster-affected communities. To develop, validate, and test a Disaster Food Security Framework (DFSF). Mixed-methods approach was used, including in-depth interviews to understand lived experiences during disasters; expert panel input to validate DFSF designed using responses from in-depth interviews; and quantitative testing of robustness of DFSF using the coronavirus disease 2019 pandemic as a disaster example. The in-depth interviews included participants from Vermont (n = 5), North Carolina (n = 3), and Oklahoma (n = 2) who had been living in those states during Hurricane Irene (2011), Hurricane Florence (2018), the Moore tornadoes (2013), and coronavirus disease 2019 pandemic (2020). The expert panel consisted of researchers and practitioners from different US geographical regions and food-related disciplines (n = 18). For the quantitative testing survey, data from 4 US states (New York, New Mexico, Vermont, and Maryland; n = 3,228) from the National Food Access and COVID Research Team was used. The outcomes from the in-depth interviews were dimensions of disaster FI, those from the expert panel was a content validity ratio, and those from the quantitative testing was the number of items and components to be included. Inductive and deductive reasoning were using when reporting on the in-depth interviews and expert panel results, including frequencies. The quantitative testing was conducted using multiple correspondence analysis. The in-depth interviews revealed four dimensions of FI: availability (supply and donation), accessibility (economic, physical, and social), acceptability (preference and health), and agency (infrastructure and self-efficacy). The panel of experts reported high content validity for the DFSF and its dimensions (content validity ratio >0.42), thus giving higher credibility to the DFSF. Multiple correspondence analysis performed on 25 food-related variables identified one component with 13 indicators representing three of the four dimensions: availability, acceptability, and accessibility, but not agency.

30 November 2022 in BMJ Nutrition, Prevention & Health
Verified
Journal Article
Open access
PDF file
NKNadia Koyratty
Nadia Koyratty
RNRobert Ntozini
Robert Ntozini
MMMduduzi N.N. Mbuya
Mduduzi N.N. Mbuya
AJAndrew D Jones
Andrew D Jones
RSRoseanne C Schuster
Roseanne C Schuster
LSLaura E Smith
Laura E Smith
Introduction Stunting or linear growth faltering, measured by length-for-age Z-score (LAZ), remains a significant public health challenge, particularly in rural low-income and middle-income countries. It is a marker of inadequate environments in which infants are born and raised. However, the contributions of household resource insecurities, such as food and water, to growth and growth trajectory are understudied. Methods We used the cluster-randomised Sanitation Hygiene and Infant Nutrition Efficacy trial to determine the association of household-level food insecurity (FI) and water insecurity (WI) on LAZ and LAZ trajectory among infants during early life. Dimensions of FI (poor access, household shocks, low availability and quality) and WI (poor access, poor quality, low reliability) were assessed with the multidimensional household food insecurity and the multidimensional household water insecurity measures. Infant length was converted to LAZ based on the 2006 WHO Child Growth Standards. We report the FI and WI fixed effects from multivariable growth curve models with repeated measures of LAZ at 1, 3, 6, 12 and 18 months (M1–M18). Results A total of 714 and 710 infants were included in our analyses of LAZ from M1 to M18 and M6 to M18, respectively. Mean LAZ values at each time indicated worsening linear growth. From M1 to M18, low food availability and quality was associated with lower LAZ (β=−0.09; 95% −0.19 to –0.13). From M6 to M18, poor food access was associated with lower LAZ (β=−0.11; 95% −0.20 to –0.03). None of the WI dimensions were associated with LAZ, nor with LAZ trajectory over time. Conclusion FI, but not WI, was associated with poor linear growth among rural Zimbabwean infants. Specifically, low food availability and quality and poor food access was associated with lower LAZ. There is no evidence of an effect of FI or WI on LAZ trajectory.

15 July 2025 in Food and Nutrition Bulletin
Verified
Journal Article
Open access
NKNadia Koyratty
Nadia Koyratty
FAFusta Azupogo
Fusta Azupogo
TSTaryn Smith
Taryn Smith
GHGuy-Marino Hinnouho
Guy-Marino Hinnouho
MTManisha Tharaney
Manisha Tharaney
SHSonja Y Hess
Sonja Y Hess
Background: Despite well-documented health benefits, fruit and vegetable (F&V) intake remains below recommended levels globally. Objectives: This scoping review aimed to identify effective intervention strategies to increase F&V intake. Methods: We searched PubMed and Web of Science (February 2023) for intervention studies assessing impact on F&V intake. Eligibility criteria included studies published in English since 2012, a valid control group, ≥2 weeks duration, and ≥50 participants per intervention arm. Analysis was done by intervention comparison. Findings were described by summarizing proportion of intervention comparisons reporting statistically significant increases in fruit, vegetable and/or combined F&V intake across standalone (nutrition communication, social protection, agriculture or food environment restructuring) and multi-component strategies. Results: A total of 284 intervention comparisons (223 unique studies) were included. The majority of comparisons (191/284) came from high-income countries (HICs) and 93/284 from low- and middle-income countries (LMICs). Nutrition communication was the most common standalone strategy, with 121/218 comparisons reporting positive impacts on fruit, vegetable and/or combined F&V intake. Fewer studies evaluated standalone social protection (13/284), food environment restructuring (4/284), or agriculture strategies (3/284). Among the limited interventions, 7/13 social protection and 3/4 food environment restructuring comparisons reported positive impacts, while none of the 3 standalone agricultural interventions did. Multi-component interventions demonstrated potential with 28/46 comparisons having positive impacts. Conclusions: Some of the intervention strategies showed potential for increasing fruit and/or vegetable intake. However, given the heterogeneity of the interventions, small number of studies for some strategies and limited evidence from LMICs, more rigorous, context-specific research is needed.

2 December 2023 in The Journal of Nutrition
Verified
Journal Article
Closed access
NKNadia Koyratty
Nadia Koyratty
JOJames R Olson
James R Olson
MKMarissa Kawyn
Marissa Kawyn
CCCynthia Curl
Cynthia Curl
Katarzyna KordasKatarzyna Kordas
Katarzyna Kordas