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4. Global research priorities on COVID-19 for maternal, newborn, child and adolescent health

Author

ASM, Nawshad Uddin Ahmed, Maamri, Abdellatif, Falade, Adegoke G, Ayede, Adejumoke Idowu, Bhutta, Adnan, Gambhir, Ajay, Tagarro, Alfredo, Abdelmegeid, Ali, Ahmadi, Ali Reza, Barros, Aluísio JD, Mekasha, Amha, Srinivasaiyer, Anantha Kumar, da Silva, André Ricardo Araujo, Schultz, Andreas, Fatima, Batool, Dhar, Bishnupada, Magowan, Brian, Wills, Bridget, Raynes-Greenow, Camille, Homer, Caroline, Maclennan, Carolyn, Ward, Catherine, Garcia, Daniel Martinez, Ross, David, Murdoch, David, Wilson, Deborah Joy, Adejuyigbe, Ebun, Stasii, Ecaterina, Scudder, Elaine, Sacks, Emma, McCollum, Eric D, Althabe, Fernando, Russell, Fiona, Kumar, GS, Sommerfelt, Halvor, Graham, Hamish, Blencowe, Hannah, Tappis, Hannah, Saloojee, Haroon, Masaud, Hesham Abdussalam Ben, Tiwary, Hiresh, Asiodu, Ifeyinwa, Newton, James B, Bourdaire, Jessica, Adze, Joel Amwe, Martines, Jose, Lozano, Juan M, Walson, Judd, Rankin, Judith, Allegaert, Karel, Pellé, Karell G, Edmond, Karen, Rabiei, Katayoun, Rasmussen, Kathleen M, Yunis, Khalid, Ferguson, Laura, Greenslade, Leith, Kiapi, Lilian, Noguchi, Lisa, Bont, Louis, Day, Louise T, Mofenson, Lynne, Aboumayaleh, Maher, Aquzouz, Majda, Wahba, Mamdouh, Nagai, Mari, Knight, Marian, Melkumova, Marina, Jenyfa, Mariyam, Neuman, Mark I, Meremikwu, Martin, Kinney, Mary, Gravett, Michael, Hawkes, Michael T, Pacqué, Michel, Walsh, Michele, McGuire, Michelle K, AlShawafi, Nagiba AAbdulghani, Khuri-Bulos, Najwa, Thacker, Naveen, Rollins, Nigel, Kissoon, Niranjan, Starets, Olena, Picone, Olivier, Oladapo, Olufemi T, Erdeve, Omer, Smith, P Brian, Van de Perre, Philippe, Kumar, Praveen, Mangtani, Punam, Abbas, Qalab, Khatoon, Rabeya, Bahl, Rajiv, Lodha, Rakesh, Grais, Rebecca, Richards-Kortum, Rebecca, Rasaily, Reeta, Aryeetey, Richmond, Pattinson, Robert, and Petrucci, Roberta

Subjects
Public Health, Health Sciences, Pediatric, Prevention, Perinatal Period - Conditions Originating in Perinatal Period, Good Health and Well Being, Adolescent, Adolescent Health, COVID-19, Child, Child Health, Female, Global Health, Humans, Infant, Newborn, Pandemics, Research, SARS-CoV-2, COVID-19 Research Prioritization Group on MNCAH, Public Health and Health Services, Public health
Abstract

BackgroundThis research prioritization aimed to identify major research gaps in maternal, newborn, child and adolescent health (MNCAH) to help mitigate the direct and indirect effects of the COVID-19 pandemic.MethodsWe adapted the Child Health and Nutrition Research Initiative methodology. We defined scope, domains, themes and scoring criteria. We approached diverse global experts via email to submit their research ideas in MNCAH and MNCAH-related cross-cutting/health systems area. We curated the research ideas as research questions (RQs) and sent them to the consenting experts for scoring via the online link. For each RQ, the research priority score (RPS) was calculated as an average of individual criterion scores and ranked based on RPS in each area.ResultsWe identified top-ranked 10 RQs in each maternal, newborn, and child and adolescent health and 5 in the cross-cutting/health systems area. In maternal health, indirect effects on care, measures to improve care, health risks and outcomes, and preventing and managing SARS-CoV-2 infection/COVID-19 disease were priority RQs. In newborn health, clinical characterization and managing SARS-CoV-2 infection/COVID-19 disease, mode of transmission and interventions to prevent transmission were the focus. For child and adolescent health, top-ranked RQs were indirect effects on care, clinical status and outcomes, interventions to protect against SARS-CoV-2 infection/COVID-19 disease, and educational institute-related RQs. The cross-cutting RQs were the effects of the pandemic on availability, access, care-seeking and utilization of MNCAH services and potential solutions.ConclusionsWe call on partners, including governments, non-governmental organizations, research institutes, and donors, to address this urgent research agenda.

Published
2021

5. Timing of seasonal influenza epidemics for 25 countries in Africa during 2010–19: a retrospective analysis

Author

Igboh, Ledor S, Roguski, Katherine, Marcenac, Perrine, Emukule, Gideon O, Charles, Myrna D, Tempia, Stefano, Herring, Belinda, Vandemaele, Katelijn, Moen, Ann, Olsen, Sonja J, Wentworth, David E, Kondor, Rebecca, Mott, Josh A, Hirve, Siddhivinayak, Bresee, Joseph S, Mangtani, Punam, Nguipdop-Djomo, Patrick, and Azziz-Baumgartner, Eduardo

Published
2023
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6. Risk factors for SARS-CoV-2 infection in primary and secondary school students and staff in England in the 2020/2021 school year: a longitudinal study

Author

Nguipdop-Djomo, Patrick, Oswald, William E, Halliday, Katherine E, Cook, Sarah, Sturgess, Joanna, Sundaram, Neisha, Warren-Gash, Charlotte, Fine, Paul EM, Glynn, Judith, Allen, Elizabeth, Clark, Taane G., Ford, Benjamin, Judd, Alison, Ireland, Georgina, Poh, John, Bonell, Chris, Dawe, Fiona, Rourke, Emma, Diamond, Ian, Ladhani, Shamez N, Langan, Sinéad M, Hargreaves, James, and Mangtani, Punam

Published
2023
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7. Estimating baseline rates of adverse perinatal and neonatal outcomes using a facility-based surveillance approach: A prospective observational study from the WHO Global Vaccine Safety Multi-Country Collaboration on safety in pregnancy

Author

Sharan, Apoorva, Stuurman, Anke L., Jahagirdar, Shubhashri, Elango, Varalakshmi, Riera-Montes, Margarita, Kashyap, Neeraj Kumar, Biccler, Jorne, Poluru, Ramesh, Arora, Narendra Kumar, Mathai, Mathews, Mangtani, Punam, Devlieger, Hugo, Anderson, Steven, Whitaker, Barbee, Wong, Hui-Lee, Moran, Allisyn, and Maure, Christine Guillard

Published
2022
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8. Operational lessons learned in conducting an international study on pharmacovigilance in pregnancy in resource-constrained settings: The WHO Global Vaccine safety Multi-Country collaboration project

Author

Sharan, Apoorva, Jahagirdar, Shubhashri, Stuurman, Anke L, Elango, Varalakshmi, Riera-Montes, Margarita, Kumar Kashyap, Neeraj, Kumar Arora, Narendra, Mathai, Mathews, Mangtani, Punam, Devlieger, Hugo, Anderson, Steven, Whitaker, Barbee, Wong, Hui-Lee, Cutland, Clare L, and Guillard Maure, Christine

Published
2022
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10. WHO global vaccine safety multi-country collaboration project on safety in pregnancy: Assessing the level of diagnostic certainty using standardized case definitions for perinatal and neonatal outcomes and maternal immunization

Author

Stuurman, Anke L., Sharan, Apoorva, Jahagirdar, Shubhashri, Elango, Varalakshmi, Riera-Montes, Margarita, Kashyap, Neeraj, Biccler, Jorne, Poluru, Ramesh, Arora, Narendra, Mathai, Matthews, Mangtani, Punam, DeVlieger, Hugo, Anderson, Steven, Whitaker, Barbee, Wong, Hui-Lee, Cutland, Clare, and Guillard Maure, Christine

Published
2021
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11. Acute and long-term outcomes of SARS-CoV-2 infection in school-aged children in England: Study protocol for the joint analysis of the COVID-19 schools infection survey (SIS) and the COVID-19 mapping and mitigation in schools (CoMMinS) study

Author

Looker, Katharine J., primary, McClenaghan, Elliot, additional, Judd, Alison, additional, Pierotti, Livia, additional, Downing, Harriet, additional, Phelan, Jody, additional, Warren-Gash, Charlotte, additional, Ngozi, Kalu, additional, Dawe, Fiona, additional, Relton, Caroline, additional, Christensen, Hannah, additional, Hay, Alastair D., additional, Mangtani, Punam, additional, Nguipdop-Djomo, Patrick, additional, and Denholm, Rachel, additional

Published
2024
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12. Risk Factors for Middle East Respiratory Syndrome Coronavirus Infection among Camel Populations, Southern Jordan, 2014-2018

Author

Holloway, Peter, Gibson, Matthew, van Doremalen, Neeltje, Nash, Stephen, Holloway, Tanja, Letko, Michael, Cardwell, Jacqueline M., Al Omari, Bilal, Al-Majali, Ahmad, Abu-Basha, Ehab, Mangtani, Punam, Munster, Vincent J., and Guitian, Javier

Subjects
Communicable diseases in animals -- Statistics -- Risk factors, Camels -- Statistics -- Health aspects, Health
Abstract

Middle East respiratory syndrome (MERS) coronavirus (MERS-CoV) represents 1 of 3 major zoonotic coronaviruses to have emerged with global impact in the past 2 decades, alongside severe acute respiratory syndrome [...]

Published
2021
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21. Epidemiology of SARS-CoV-2 infection among staff and students in a cohort of English primary and secondary schools during 2020–2021

Author

Hargreaves, James R., primary, Langan, Sinéad M., additional, Oswald, William E., additional, Halliday, Katherine E., additional, Sturgess, Joanna, additional, Phelan, Jody, additional, Nguipdop-Djomo, Patrick, additional, Ford, Benjamin, additional, Allen, Elizabeth, additional, Sundaram, Neisha, additional, Ireland, Georgina, additional, Poh, John, additional, Ijaz, Samreen, additional, Diamond, Ian, additional, Rourke, Emma, additional, Dawe, Fiona, additional, Judd, Alison, additional, Warren-Gash, Charlotte, additional, Clark, Taane G., additional, Glynn, Judith R., additional, Edmunds, W. John, additional, Bonell, Chris, additional, Mangtani, Punam, additional, Ladhani, Shamez N., additional, Abramsky, Tanya, additional, Ahmad, Shazaad, additional, Aiano, Felicity, additional, Baawuah, Frances, additional, Bankiewicz, Urszula, additional, Batt, Sarah, additional, Beckmann, Joanne, additional, Bhavsar, Ami, additional, Brent, Bernadette, additional, Brent, Andrew, additional, Brouwer, Simon, additional, Brown, Kevin, additional, Browne, Richard, additional, Childs, Kevin, additional, Cook, Sarah, additional, Cousens, Simon, additional, Day, Ieuan, additional, Felton, Antonio, additional, Fine, Paul, additional, Foster, David, additional, Garstang, Joanna, additional, Gates, David, additional, Grant, Claire, additional, Griffiths-Tong, Bethany, additional, Hele, Claire, additional, Hemsi, Rowan, additional, Jones, Pete, additional, Jordan, Helena, additional, Kucharski, Adam, additional, Lacey, Andrea, additional, Leeson, Rebecca, additional, Lelii, Ffion, additional, Lovely, Philip, additional, Lunskey, Madeleine, additional, McLanachan, Chris, additional, Munday, James, additional, Okike, Ifeanyichukwu, additional, O'Reilly, Kathleen, additional, Parker, Penelope, additional, Powell, Annabel, additional, Proud, Sarah, additional, Ramsay, Mary, additional, Rudd, Lee, additional, Russell, Timothy, additional, Shute, Justin, additional, Tilouche, Nerissa, additional, Virgin, Charmaine, additional, Wyatt, Sian-Elin, additional, and YEO, KELLY, additional

Published
2022
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26. Secondary attack rates in primary and secondary school bubbles following a confirmed case: Active, prospective national surveillance, November to December 2020, England

Author

Powell, Annabel A., primary, Ireland, Georgina, additional, Baawuah, Frances, additional, Beckmann, Joanne, additional, Okike, Ifeanyichukwu O., additional, Ahmad, Shazaad, additional, Garstang, Joanna, additional, Brent, Andrew J., additional, Brent, Bernadette, additional, Aiano, Felicity, additional, Hargreaves, James, additional, Langan, Sinéad M., additional, Mangtani, Punam, additional, Nguipdop-Djomo, Patrick, additional, Sturgess, Joanna, additional, Oswald, William, additional, Halliday, Katherine, additional, Rourke, Emma, additional, Dawe, Fiona, additional, Amin-Chowdhury, Zahin, additional, Kall, Meaghan, additional, Zambon, Maria, additional, Poh, John, additional, Ijaz, Samreen, additional, Lackenby, Angie, additional, Elli, Joanna, additional, Brown, Kevin E., additional, Diamond, Sir Ian, additional, Ramsay, Mary E., additional, and Ladhani, Shamez N., additional

Published
2022
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30. The identification and validity of congenital malformation diagnoses in UK electronic health records: A systematic review

Author

Peppa, Maria, Minassian, Caroline, Mangtani, Punam, and Thomas, Sara L

Abstract

PURPOSE: To describe the methods used to identify and validate congenital malformation diagnoses recorded in UK electronic health records, and the results of validation studies. METHODS: Medline and Embase were searched for publications between 1987 and 2019 that involved identifying congenital malformations from UK electronic health records using diagnostic codes. The methods and code-lists used to identify congenital malformations, and the methods and results of validations, were examined. RESULTS: We retrieved 54 eligible studies; 36 identified congenital malformations from primary care data and 18 from secondary care data alone or in combination with birth and/or death records. Identification in secondary care data relied on codes from the 'Q' chapter for congenital malformations in ICD-10. In contrast, studies using primary care data frequently used additional codes outside of the 'P' chapter for congenital malformation diagnoses in Read, although the exact codes used were not always clear. Eight studies validated diagnoses identified in primary care data. The positive predictive value was highest (80%-100%) for congenital malformations overall, major malformations, and heart defects although the validity of the reference standard used was often uncertain. It was lowest for neural tube defects (71%) and developmental hip dysplasia (56%). CONCLUSIONS: Studies identifying congenital malformations from primary care data provided limited details about the methods used. The few validation studies were limited to diagnoses recorded in primary care. Further assessments of all measures of validity in both data sources and of other malformation subgroups are needed, using robust reference standards and adhering to reporting guidelines.

Published
2021

31. Population Health Surveillance Using Mobile Phone Surveys in Low- and Middle-Income Countries: Methodology and Sample Representativeness of a Cross-sectional Survey of Live Poultry Exposure in Bangladesh

Author

Berry, Isha, primary, Mangtani, Punam, additional, Rahman, Mahbubur, additional, Khan, Iqbal Ansary, additional, Sarkar, Sudipta, additional, Naureen, Tanzila, additional, Greer, Amy L, additional, Morris, Shaun K, additional, Fisman, David N, additional, and Flora, Meerjady Sabrina, additional

Published
2021
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35. Overrepresentation of South Asian ethnic groups among cases of influenza A(H1N1)pdm09 during the first phase of the 2009 pandemic in England

Author

Trienekens, Suzan CM, Shepherd, Wendi, Pebody, Richard G, Mangtani, Punam, and Cleary, Paul

Subjects
wa_105, wc_515, wa_300
Abstract

Background\ud During the first wave of the influenza A(H1N1)pdm09 pandemic in England in 2009, morbidity and mortality were higher in patients of South Asian (Indian, Pakistani or Bangladeshi) ethnic minority groups.\ud \ud Objectives\ud This study aims to provide insights in the representation of this group among reported cases, indicating susceptibility and exposure.\ud \ud Methods\ud All laboratory‐confirmed cases including basic demographic and limited clinical information that were reported to the FluZone surveillance system between April and October 2009 were retrieved. Missing ethnicity data were imputed using the previously developed and validated South Asian Names and Group Recognition Algorithm (SANGRA). Differences between ethnic groups were calculated using chi‐square, log‐rank and t tests and rate ratios. Geographic clustering was compared using Ripley's K functions.\ud \ud Results\ud SANGRA identified 2447 (28%) of the total of 8748 reported cases as South Asian. South Asian cases were younger (P < .001), more often male (P = .002) and more often from deprived areas (P < .001) than cases of other ethnic groups. Time between onset of symptoms and laboratory sampling was longer in this group (P < .001), and they were less often advised antiviral treatment (P < .001), however, declined treatment less. The highest cumulative incidence was seen in the West Midlands region (32.7/10 000), London (7.0/10 000) and East of England region (5.7/10 000).\ud \ud Conclusions\ud People of South Asian ethnic groups were disproportionally affected by the first wave of the influenza pandemic in England in 2009. The findings presented contribute to further understanding of demographic, socioeconomic and ethnic factors of the outbreak and inform future influenza preparedness to ensure appropriate prevention and care.

Published
2021

36. The COVID-19 Schools Infection Survey in England: Protocol and Participation Profile for a Prospective Observational Cohort Study.

Author

Halliday, Katherine E., Nguipdop-Djomo, Patrick, Oswald, William E., Sturgess, Joanna, Allen, Elizabeth, Sundaram, Neisha, Ireland, Georgina, Poh, John, Ijaz, Samreen, Shute, Justin, Diamond, Ian, Rourke, Emma, Dawe, Fiona, Judd, Alison, Clark, Taane, Edmunds, W. John, Bonell, Chris, Mangtani, Punam, Ladhani, Shamez N., and Langan, Sinéad M.

Subjects
COVID-19 pandemic, SECONDARY schools, EPIDEMIOLOGY, HEALTH policy, POLYMERASE chain reaction
Abstract

Background: One of the most debated questions in the COVID-19 pandemic has been the role of schools in SARS-CoV-2 transmission. The COVID-19 Schools Infection Survey (SIS) aims to provide much-needed evidence addressing this issue. Objective: We present the study protocol and participation profile for the SIS study, aimed at assessing the role of schools in SARS-CoV-2 infection and transmission within school settings, and investigating how transmission within and from schools could be mitigated through the implementation of school COVID-19 control measures. Methods: SIS was a multisite, prospective, observational cohort study conducted in a stratified random sample of primary and secondary schools in selected local authorities in England. A total of 6 biobehavioral surveys were planned among participating students and staff during the 2020-2021 academic year, between November 2020 and July 2021. Key measurements were SARS-CoV-2 virus prevalence, assessed by nasal swab polymerase chain reaction; anti-SARS-CoV-2 (nucleocapsid protein) antibody prevalence and conversion, assessed in finger-prick blood for staff and oral fluid for students; student and staff school attendance rates; feasibility and acceptability of school-level implementation of SARS-CoV-2 control measures; and investigation of selected school outbreaks. The study was approved by the United Kingdom Health Security Agency Research Support and Governance Office (NR0237) and London School of Hygiene & Tropical Medicine Ethics Review Committee (reference 22657). Results: Data collection and laboratory analyses were completed by September 2021. A total of 22,585 individuals--1891 staff and 4654 students from 59 primary schools and 5852 staff and 10,188 students from 97 secondary schools--participated in at least one survey. Across all survey rounds, staff and student participation rates were 45.2% and 16.4%, respectively, in primary schools and 30% and 15.2%, respectively, in secondary schools. Although primary student participation increased over time, and secondary student participation remained reasonably consistent, staff participation declined across rounds, especially for secondary school staff (3165/7583, 41.7% in round 1 and 2290/10,374, 22.1% in round 6). Although staff participation overall was generally reflective of the eligible staff population, student participation was higher in schools with low absenteeism, a lower proportion of students eligible for free school meals, and from schools in the least deprived locations (in primary schools, 446/4654, 9.6% of participating students were from schools in the least deprived quintile compared with 1262/22,225, 5.7% of eligible students). Conclusions: We outline the study design, methods, and participation, and reflect on the strengths of the SIS study as well as the practical challenges encountered and the strategies implemented to address these challenges. The SIS study, by measuring current and incident infection over time, alongside the implementation of control measures in schools across a range of settings in England, aims to inform national guidance and public health policy for educational settings. [ABSTRACT FROM AUTHOR]

Published
2022
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38. Seasonal Influenza Vaccination During Pregnancy and the Risk of Major Congenital Malformations in Live-born Infants: A 2010-2016 Historical Cohort Study

Author

Peppa, Maria, Thomas, Sara L, Minassian, Caroline, Walker, Jemma L, McDonald, Helen I, Andrews, Nick J, Kempley, Stephen T, and Mangtani, Punam

Abstract

BACKGROUND: Available evidence indicates that seasonal inactivated influenza vaccination during pregnancy protects both the mother and her newborn and is safe. Nevertheless, ongoing safety assessments are important in sustaining vaccine uptake. Few studies have explored safety in relation to major congenital malformations (MCMs), particularly in the first trimester when most organogenesis occurs. METHODS: Anonymized UK primary care data (the Clinical Practice Research Datalink), including a recently developed Pregnancy Register, were used to identify live-born singletons delivered between 2010 and 2016. Maternal influenza vaccination was determined using primary care records and stratified by trimester. Ascertainment of MCMs from infant primary care records was maximized by linkage to hospitalization data and death certificates. The relationship between vaccination and MCMs recorded in the year after delivery and in early childhood was then assessed using multivariable Cox regression. RESULTS: A total of 78 150 live-birth pregnancies were identified: 6872 (8.8%) were vaccinated in the first trimester, 11 678 (14.9%) in the second, and 12 931 (16.5%) in the third. Overall, 5707 live births resulted in an infant with an MCM recorded in the year after delivery and the adjusted hazard ratio when comparing first-trimester vaccination to no vaccination was 1.06 (99% CI, .94-1.19; P = .2). Results were similar for second- and third-trimester vaccination and for analyses considering MCMs recorded beyond the first birthday. CONCLUSIONS: In this large, population-based historical cohort study there was no evidence to suggest that seasonal influenza vaccine was associated with MCMs when given in the first trimester or subsequently in pregnancy.

Published
2020

39. The prevalence and risk factors for human Brucella species infection in a cross-sectional survey of a rural population in Punjab, India

Author

Mangtani, Punam, Berry, Isha, Beauvais, Wendy, Holt, Hannah R, Kulashri, Amit, Bharti, Satinder, Sagar, Vivek, Nguipdop-Djomo, Patrick, Bedi, Jasbir, Kaur, Manmeet, Guitian, Javier, McGiven, John, Kaur, Paviter, Singh Gill, Jatinder P, Grover, Gagandeep Singh, and Kumar, Rajesh

Abstract

BACKGROUND: Brucellosis is an important neglected zoonosis. Effective cattle vaccines are available but are infrequently used in India, where rural households commonly own one or two cattle as sources of protein and income. We assessed the prevalence of infection and risk factors in humans. METHODS: We conducted a cross-sectional sero-survey in randomly selected individuals in 60 villages in Punjab. Infection prevalence was assessed by positive Rose Bengal testing or immunoglobulin G enzyme-linked immunosorbent assay. Risk factors were adjusted for potential confounding using multivariable analyses. RESULTS: Of the 1927 subjects who were approached, 93% agreed to participate. Age-standardised prevalence for Brucella infection was 2.24% (95% confidence interval [CI] 1.61 to 3.11). More than 60% of households kept cattle and 10% assisted with calving or abortions. Nearly all individuals consumed boiled cow/buffalo milk from their own or neighbours' cattle and 3.3% consumed goat's milk. There was a 2.18 times increased odds (95% CI 0.96 to 4.95) of infection with calving/abortions and a 4.26 times increased odds (95% CI 1.33 to 13.6) with goat's milk but not bovine milk consumption. CONCLUSIONS: An association with calving/abortions and goat's milk consumption was seen. Brucella vaccination of household livestock would reduce the risk to humans in such settings. Additional measures include biosecurity training around calving/abortions, education to boil all milk and for healthcare workers to test for brucellosis.

Published
2020

40. Evaluation of potential risk of transmission of avian influenza A viruses at live bird markets in response to unusual crow die-offs in Bangladesh

Author

Rahman, Mahbubur, Mangtani, Punam, Uyeki, Timothy M., Cardwell, Jacqueline M., Torremorell, Montserrat, Islam, Ariful, Samad, Mohammed A., Muraduzzaman, A. K. M., Giasuddin, Md, Sarkar, Sudipta, Alamgir, A. S. M., Salimuzzaman, M., Flora, Meerjady S., Rahman, Mahbubur, Mangtani, Punam, Uyeki, Timothy M., Cardwell, Jacqueline M., Torremorell, Montserrat, Islam, Ariful, Samad, Mohammed A., Muraduzzaman, A. K. M., Giasuddin, Md, Sarkar, Sudipta, Alamgir, A. S. M., Salimuzzaman, M., and Flora, Meerjady S.

Published
2020

42. A semiquantitative food frequency questionnaire is a valid indicator of the usual intake of phytoestrogens by South Asian women in the UK relative to multiple 24-h dietary recalls and multiple plasma samples

Author

Bhakta, Dee, Silva, Isabel dos Santos, Higgins, Craig, Sevak, Leena, Kassam-Khamis, Tashmin, Mangtani, Punam, Adlercreutz, Herman, and McMichael, Anthony

Subjects
Women -- Health aspects, Isoflavones -- Health aspects, Food/cooking/nutrition
Abstract

We investigated the relative validity of an interview-administered FFQ to estimate phytoestrogen intake among South Asian women in the UK. A population-based sample of 108 healthy South Asian women completed random repeated monthly 24-h recalls [with a subsample (n = 58) also providing multiple plasma samples] over a period of 1 y followed by administration of the FFQ. The FFQ produced slightly higher estimates of phytoestrogen intake than the 24-h recalls, but the percentage of women classified into the same [+ or -] 1 quartile by the 2 methods was high for all phytoestrogens (from 81 to 94%) with only a small percentage (< 5%) being misclassified into extreme opposite quartiles. Energy-adjusted Spearman correlations coefficients between the estimates obtained by the FFQ and the 24-h recalls were 0.55 for genistein, 0.60 for daidzein, 0.70 for secoisolariciresinol, and 0.63 for matairesinol (all P < 0.001). Spearman correlation coefficients between the FFQ estimates and plasma levels were 0.21 (P = 0.12) for genistein, 0.32 (P = 0.02) for daidzein and 0.10 (P = 0.43) for enterolactone; the corresponding values for the 24-h recalls compared with plasma levels were 0.43 (P < 0.001), 0.40 (P = 0.002), and 0.08 (P = 0.50), respectively. The method of triads was used to estimate the validity coefficients (VCs) between the estimates provided by each assessment method and 'true intake.' The FFQ had the highest VC for lignans (0.91 vs. 0.73 for 24-h recalls and 0.11 for plasma samples) and satisfactory VCs for both genistein (0.46 vs. 0.95 and 0.45, respectively) and daidzein (0.67 vs. 0.83 and 0.45, respectively). This FFQ is thus a relatively valid tool with which to estimate phytoestrogen intake among South Asian women in the UK. KEY WORDS: * phytoestrogens * food frequency questionnaire * 24-h recalls * plasma phytoestrogens * validation

Published
2005

46. Evaluation of potential risk of transmission of avian influenza A viruses at live bird markets in response to unusual crow die‐offs in Bangladesh

Author

Rahman, Mahbubur, primary, Mangtani, Punam, additional, Uyeki, Timothy M., additional, Cardwell, Jacqueline M., additional, Torremorell, Montserrat, additional, Islam, Ariful, additional, Samad, Mohammed A., additional, Muraduzzaman, A. K. M., additional, Giasuddin, Md, additional, Sarkar, Sudipta, additional, Alamgir, A. S. M., additional, Salimuzzaman, M., additional, and Flora, Meerjady S., additional

Published
2020
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