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Muthiru AW, Bukachi SA. Male involvement in maternal and child nutrition in low-income informal settlements, Nairobi, Kenya. JOURNAL OF HEALTH, POPULATION, AND NUTRITION 2024; 43:47. [PMID: 38576056 PMCID: PMC10993492 DOI: 10.1186/s41043-023-00476-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 11/18/2023] [Indexed: 04/06/2024]
Abstract
BACKGROUND Maternal and child nutrition is a significant public health concern because adequate nutrition is essential for the health, development, and well-being of mothers and children. Men can play a critical role in improving maternal and child health, including through their involvement in the nutrition of the mother and child. However, little has been studied on male involvement in maternal and child nutrition; therefore, this qualitative exploratory study focused on the level of male involvement and factors influencing male involvement in maternal and child nutrition in low-income urban informal settings. METHODS Qualitative data collection methods were triangulated in the exploratory study to inform the study objectives. In-depth interviews (IDIs) were conducted with 30 men and 20 women based on the inclusion criteria that they have children aged between 6 and 23 months. An additional 10 key informant interviews with stakeholders in nutrition within the study setting were also carried out. Data from the qualitative interviews were captured in audio files with informed consent and permission to record from the study participants. The interviews were transcribed and translated into English transcripts for coding and analysis. Themes were derived from the five levels of the socio-ecological model of human behavior, namely, (i) individual factors; (ii) interpersonal factors; (iii) community factors; (iv) institutional factors guided the analysis. RESULTS Findings from the study revealed that personal beliefs and values, the nature of work, mistrust and stigma and discrimination, and the association clinic visits with HIV testing, were some of the factors that influenced male involvement in maternal and child nutrition. CONCLUSION It is important to recognize the potential value of research on the role of men in maternal and child nutrition and to identify ways to overcome the barriers to their involvement. By better understanding the factors that influence male involvement in maternal and child nutrition and the impact of this involvement on maternal and child nutrition, it may be possible to develop more effective interventions to promote the nutritional well-being of mothers and children.
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Affiliation(s)
- Ann W Muthiru
- Department of Anthropology, Gender, and African Studies (DAGAS), University of Nairobi (UON), Nairobi, Kenya.
| | - Salome A Bukachi
- Department of Anthropology, Gender, and African Studies (DAGAS), University of Nairobi (UON), Nairobi, Kenya
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Zerfu TA, Nguyen G, Duncan AJ, Baltenweck I, Brown F, Iannotti LL, McNeill G. Associations between livestock keeping, morbidity and nutritional status of children and women in low- and middle-income countries: a systematic review. Nutr Res Rev 2023; 36:526-543. [PMID: 36522652 DOI: 10.1017/s0954422422000233] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Livestock keeping can positively influence the nutritional status of populations and households through increased consumption of animal-source foods (ASF) and other indirect pathways, but can also adversely affect health by increasing the risk of diseases. We conducted a systematic review synthesising the current state of knowledge on the associations among livestock keeping, infectious disease and the nutritional status of children under 5 years and women of reproductive age in low- and lower-middle-income countries (LMICs). A comprehensive search of 12 electronic databases and grey literature sources published from 1991 to the end of December 2020 was conducted. Investigations exploring relationships between livestock keeping and risk of infectious disease transmission and nutritional status were selected using pre-defined inclusion criteria. After screening and filtering of 34,402 unique references, 176 references were included in the final synthesis. Most (160/176, 90.1%) of the references included in the final synthesis were from sub-Saharan Africa (SSA) and Asia. About two out of every five (42%) studies reviewed showed that livestock production is associated with improved height-for-age Z scores (HAZ) and weight-for-length/height Z scores (WHZ), while close to a third (30.7%) with improved weight-for-age Z scores (WAZ). Similarly, livestock production showed a positive or neutral relationship with women's nutritional status in almost all the references that reported on the topic. Conversely, four-fifths (66/81, 79.5%) of the references reporting on infection and morbidity outcomes indicated that livestock keeping is linked to a wide range of infectious disease outcomes, which are spread primarily through water, food and insects. In conclusion, in many LMIC settings, livestock production is associated with better nutritional outcomes but also a higher risk of disease transmission or morbidity among women and children.This review was prospectively registered on PROSPERO 2020 [CRD42020193622].
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Affiliation(s)
- Taddese Alemu Zerfu
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Edinburgh, UK
- International Livestock Research Institute (ILRI), Nairobi, Kenya
| | - Giang Nguyen
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Edinburgh, UK
| | - Alan J Duncan
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Edinburgh, UK
- International Livestock Research Institute (ILRI), Nairobi, Kenya
| | | | - Fiona Brown
- Library and University Collections, Information Services, University of Edinburgh, Edinburgh, UK
| | - Lora L Iannotti
- Brown School, Washington University in St. Louis, St. Louis, MO, USA
| | - Geraldine McNeill
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Edinburgh, UK
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von Salmuth V, Buijs L, Chirangi B, Vreugdenhil AC, van Schayck OC. Health needs assessment for the double burden of malnutrition: a community-based study on nutrition facilitators and barriers in rural Tanzania. Public Health Nutr 2023; 26:2450-2459. [PMID: 37581236 DOI: 10.1017/s1368980023001568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
OBJECTIVE The aim of this study is to explore nutrition-related health needs, the perceptions and beliefs regarding the double burden of malnutrition, as well as barriers and facilitators in accessing nutritious food among the local population in rural Tanzania. DESIGN A qualitative study design using semi-structured individual interviews and focus-group discussions (FGD) was used. Basic socio-demographic information was obtained from all participants. SETTING The study was conducted in four villages within the catchment area of the Shirati KMT Hospital in Rorya district, in north-western Tanzania. PARTICIPANTS Men and women in the reproductive age as well as Community Health Workers (CHW) were included. RESULTS In total, we performed fourteen interviews (N 41), consisting of four FGD, one dual and nine individual interviews. The three most significant topics that were identified are the large knowledge gap concerning overweight and obesity as a health problem, changing weather patterns and its implications on food supply and the socio-cultural drivers including gender roles and household dynamics. CONCLUSION Environmental and socio-cultural factors play a crucial role in the determinants for DBM, which underlines the importance of understanding the local context and the nutrition practices and beliefs of the communities. Future nutritional interventions should aim towards more inclusion of men in project implementation as well as support of women empowerment. CHW could play a key role in facilitating some of the suggested interventions, including nutritional counselling and increasing awareness on the drivers of the double burden of malnutrition.
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Affiliation(s)
- Victoria von Salmuth
- Department of Family Medicine, CAPHRI, Maastricht University, Maastricht, The Netherlands
| | - Lieke Buijs
- Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, The Netherlands
| | - Bwire Chirangi
- Shirati KMT District Hospital, Rorya, Mara, Shirati, Tanzania
| | - Anita Ce Vreugdenhil
- Department of Paediatrics, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Onno Cp van Schayck
- Department of Family Medicine, CAPHRI, Maastricht University, Maastricht, The Netherlands
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Kiarie A, Bebora L, Gitao G, Ochien'g L, Okumu N, Mutisya C, Wasonga J, Masudi SP, Moodley A, Amon-Tanoh MA, Watson J, Cumming O, Cook EAJ. Prevalence and risk factors associated with the occurrence of Campylobacter sp. in children aged 6-24 months in peri-urban Nairobi, Kenya. Front Public Health 2023; 11:1147180. [PMID: 37808985 PMCID: PMC10556691 DOI: 10.3389/fpubh.2023.1147180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 08/28/2023] [Indexed: 10/10/2023] Open
Abstract
Introduction Campylobacter bacteria is a major cause of foodborne-related bacterial gastroenteritis in humans worldwide. It is known to cause diarrhea in young children which has been shown to directly affect their weight and height as a result of malnutrition. Severe cases of diarrhea can also lead to death. Most of the burden is experienced in resource-limited countries in Africa and Southeast Asia where the disease is linked to poor hygiene and sanitation. The objective of this study was to determine the prevalence of Campylobacter in children aged between 6 and 24 months in Nairobi, Kenya and identify potential risk factors associated with their occurrence. Methods A cross-sectional study was carried out between May to December 2021. A total of 585 randomly selected households were visited in two wards (Uthiru/Ruthimitu and Riruta) in Dagoretti South sub-county, Nairobi. A questionnaire regarding how children's food is handled, the major foods consumed, sanitation and hygiene, and animal ownership was conducted among caregivers to identify associated risk factors. Stool samples were collected from 540/585 children and screened for the presence of Campylobacter using culture-based methods and confirmed through PCR. Results Of the 540 children's stool samples processed, Campylobacter isolates were detected in 4.8% (26/540). Campylobacter jejuni (C. jejuni) was the most common species in 80.8% of positive samples compared to Campylobacter coli (C. coli) in 26.9% of samples. In six samples, both C. jejuni and C. coli were isolated, while in four samples, it was not possible to speciate the Campylobacter. Drinking cow's milk (OR 4.2, 95% CI 1.4 - 12.6) and the presence of animal feces in the compound (OR 3.4, 95% CI 1.1 - 10.3) were found to be statistically associated with Campylobacter carriage in children. Discussion The carriage of Campylobacter in children in this community indicates a need for further investigation on source attribution to understand transmission dynamics and inform where to target interventions. Awareness creation among caregivers on good personal and food hygiene is needed, including boiling milk before consumption. Implementation of biosecurity measures at the household level is highly recommended to reduce contact between animals and humans.
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Affiliation(s)
- Alice Kiarie
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
- Department of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Lilly Bebora
- Department of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - George Gitao
- Department of Veterinary Pathology, Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Nairobi, Nairobi, Kenya
| | - Linnet Ochien'g
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
| | - Noah Okumu
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
| | - Christine Mutisya
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
| | - Joseph Wasonga
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
| | - Sherril Phyllis Masudi
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
| | - Arshnee Moodley
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
- Department of Veterinary and Animal Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Maud A Amon-Tanoh
- Department of Disease Control, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Julie Watson
- Department of Disease Control, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Oliver Cumming
- Department of Disease Control, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Elizabeth A J Cook
- Animal and Human Health Program, International Livestock Research Institute, Nairobi, Kenya
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Blake CE, Monterrosa EC, Rampalli KK, Khan ANS, Reyes LI, Drew SD, Dominguez-Salas P, Bukachi SA, Ngutu M, Frongillo EA, Iruhiriye E, Girard AW. Basic human values drive food choice decision-making in different food environments of Kenya and Tanzania. Appetite 2023; 188:106620. [PMID: 37271253 PMCID: PMC10423943 DOI: 10.1016/j.appet.2023.106620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/06/2023]
Abstract
Increased access to a variety of foods in low-and-middle-income countries (LMICs) has led to greater autonomy in food choice decision-making. Autonomy allows individuals to make decisions through negotiation of considerations in ways that are consistent with basic values. The aim of this study was to identify and describe how basic human values drive food choice in two diverse populations with transitioning food environments living in the neighboring East African countries of Kenya and Tanzania. Secondary data analysis was carried out on focus group discussions conducted with men and women in Kenya (n = 28) and Tanzania (n = 28) as part of prior studies on food choice. A priori coding based on Schwartz's theory of basic human values was conducted, followed by a narrative comparative analysis, which included review by original principal investigators. Values of conservation (security, conformity, tradition), openness to change (self-directed thought and action, stimulation, indulgence), self-enhancement (achievement, power, face), and self-transcendence (benevolence-dependability and -caring) were prominent drivers of food choice in both settings. Participants described how values were negotiated and highlighted existing tensions. For example, the value of tradition was cited as important in both settings but changing food contexts (e.g., new foods, diverse neighborhoods) increased prioritization of values like stimulation, indulgence, and self-directed thought and action. The application of a basic values framework was useful for understanding food choice in both settings. A focused understanding of how values drive food choice decision-making in the context of changing food availability in LMICs is essential for the promotion of sustainable healthy diets.
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Affiliation(s)
- Christine E Blake
- University of South Carolina, Arnold School of Public Health, Columbia, SC, 29208, USA.
| | - Eva C Monterrosa
- Global Alliance for Improved Nutrition, Rue de Varembé 7, 1202, Geneva, Switzerland.
| | - Krystal K Rampalli
- University of South Carolina, Arnold School of Public Health, Columbia, SC, 29208, USA.
| | | | - Ligia I Reyes
- Cornell University, Division of Nutritional Sciences, Ithaca, NY, 14853, USA.
| | - Shiny Deepika Drew
- University of South Carolina, Arnold School of Public Health, Columbia, SC, 29208, USA.
| | - Paula Dominguez-Salas
- Natural Resources Institute, University of Greenwich, London, UK; International Livestock Research Institute, Nairobi, Kenya.
| | - Salome A Bukachi
- Institute of Anthropology, Gender and African Studies (IAGAS), University of Nairobi, Kenya.
| | - Mariah Ngutu
- Institute of Anthropology, Gender and African Studies (IAGAS), University of Nairobi, Kenya.
| | - Edward A Frongillo
- University of South Carolina, Arnold School of Public Health, Columbia, SC, 29208, USA.
| | - Elyse Iruhiriye
- University of South Carolina, Arnold School of Public Health, Columbia, SC, 29208, USA.
| | - Amy Webb Girard
- Rollins School of Public Health, Emory University, Atlanta, GA, USA.
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Bessell PR, Salmon G, Schnier C, Tjasink K, Al-Riyami L, Peters A. A high level estimation of the net economic benefits to small-scale livestock producers arising from animal health product distribution initiatives. Front Vet Sci 2023; 10:1171989. [PMID: 37346278 PMCID: PMC10279859 DOI: 10.3389/fvets.2023.1171989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 05/11/2023] [Indexed: 06/23/2023] Open
Abstract
Introduction A fundamental challenge for charities that facilitate distribution of animal health products to small-scale livestock producers (SSPs) in low and middle income countries (LMICs) is identifying the products and market mechanisms that provide the greatest positive impact for SSPs and estimating their associated impact. This paper describes a pragmatic approach to modeling the impact of market-led product distribution initiatives based on estimating the net economic benefit of administration of animal health products. Methods The model estimates the economic impact of diseases at the individual animal level for poultry, small ruminants, and cattle. The economic impact of mortality and growth inhibition associated with disease are then estimated in conjunction with the losses averted or recovered by preventing or treating the disease. Economic benefit is estimated in 2014-2017 values and also adjusted to 2023 values. The flexible model structure allows for addition of new geographies, new products, and increased granularity of modeled production systems. Results Applied to the Global Alliance for Livestock Veterinary Medicines (GALVmed) product distribution initiatives conducted in Africa and South Asia (SA) between 2014 and 2017, the model estimates an adjusted total net economic benefit of 139.9 million USD from sales of vaccines and poultry anthelminthics in these initiatives. Within SSA, the greatest net economic benefit was realized from East Coast fever and Newcastle disease vaccines, while in SA, peste des petits ruminants and Newcastle disease vaccines had the greatest net economic benefits. This translated to an adjusted $37.97 of net economic benefit on average per SSP customer, many of whom were small poultry producers. Discussion While the model currently estimates impacts from mortality and growth inhibition in livestock, there is the potential to extend it to cover impacts of further initiatives, including interventions targeted at diseases that impact production of milk, eggs, and reproduction.
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Affiliation(s)
| | - Gareth Salmon
- SEBI-L Supporting Evidence Based Interventions in Livestock, University of Edinburgh, Edinburgh, United Kingdom
| | - Christian Schnier
- SEBI-L Supporting Evidence Based Interventions in Livestock, University of Edinburgh, Edinburgh, United Kingdom
| | - Katharine Tjasink
- Global Alliance for Livestock Veterinary Medicines (GALVmed), Edinburgh, United Kingdom
| | - Lamyaa Al-Riyami
- Global Alliance for Livestock Veterinary Medicines (GALVmed), Edinburgh, United Kingdom
| | - Andrew Peters
- SEBI-L Supporting Evidence Based Interventions in Livestock, University of Edinburgh, Edinburgh, United Kingdom
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Food Insecurity and Dietary Deprivation: Migrant Households in Nairobi, Kenya. Nutrients 2023; 15:nu15051215. [PMID: 36904214 PMCID: PMC10005626 DOI: 10.3390/nu15051215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/22/2023] [Accepted: 02/22/2023] [Indexed: 03/04/2023] Open
Abstract
The current study focuses on food consumption and dietary diversity among internal migrant households in Kenya using data from a city-wide household survey of Nairobi conducted in 2018. The paper examined whether migrant households are more likely to experience inferior diets, low dietary diversity, and increased dietary deprivation than their local counterparts. Second, it assesses whether some migrant households experience greater dietary deprivation than others. Third, it analyses whether rural-urban links play a role in boosting dietary diversity among migrant households. Length of stay in the city, the strength of rural-urban links, and food transfers do not show a significant relationship with greater dietary diversity. Better predictors of whether a household is able to escape dietary deprivation include education, employment, and household income. Food price increases also decrease dietary diversity as migrant households adjust their purchasing and consumption patterns. The analysis shows that food security and dietary diversity have a strong relationship with one another: food insecure households also experience the lowest levels of dietary diversity, and food secure households the highest.
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Muunda E, Mtimet N, Bett E, Wanyoike F, Alonso S. Milk purchase and consumption patterns in peri-urban low-income households in Kenya. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2023. [DOI: 10.3389/fsufs.2023.1084067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
Milk plays an important role in the growth and development of children. In Kenya, it is one of the most produced and consumed animal-sourced foods, but often consumed in small amounts among children of low-income families, especially in urban settings. The aim of the study was to identify household milk purchase and consumption patterns of milk, with emphasis on young children, as well as estimate key determinants of such patterns to identify areas of leverage to increase milk consumption. Results showed that 98% of households purchased unprocessed fresh milk at least once during the 7 days prior to the survey, while only 17% purchased packed pasteurized milk. Findings from the Ordinary Least Squares (OLS) model of purchase behavior suggest that the amount of unpacked milk purchased by households is positively and significantly related to household income, the number of children below the age of 4, and the budget of animal-sourced food. The price and quantities of pasteurized milk purchased were negatively related to the amount of unpacked milk purchased. Consumption patterns for children below the age of 4 showed that milk and dairy products are most commonly consumed as part of dishes than as individual products. Informal markets played a key role in meeting the milk needs of children, but consumption was below recommended amounts. The clear association of income and milk intake calls for efforts from the government to support the dairy sector with policies that promote the availability and affordability of milk, especially for a sector that feeds low-income families, as it is the case with the informal dairy markets.
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Vila-Real CPDM, Pimenta-Martins AS, Kunyanga CN, Mbugua SK, Katina K, Maina NH, Gomes AMP, Pinto ECB. Nutritional intake and food sources in an adult urban Kenyan population. NUTR BULL 2022; 47:423-437. [PMID: 36213966 DOI: 10.1111/nbu.12582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 08/29/2022] [Accepted: 08/31/2022] [Indexed: 11/29/2022]
Abstract
Urbanisation is hastening the transition from traditional food habits to less healthy diets, which are becoming more common among Kenyans. No up-to-date studies on usual dietary intake and the main food sources of adult Kenyans are available. The aim of the present study was to identify the main food sources of nutrients in the diet of urban adult Kenyans and explore potential associations with demographic variables including age, sex, level of education, occupation and body mass index. The study adopted a cross-sectional design. The dietary intake of 486 adult Kenyans from Nairobi was assessed using a validated, culture-sensitive, semi-quantitative food frequency questionnaire. Binary logistic regression models were used to evaluate associations between food sources and demographic variables. Macronutrient intakes as a proportion of total energy intake (TEI) were within international dietary guidelines. Cereals and grain products (34.0%), sugar, syrups, sweets and snacks (9.8%), fruits (9.7%) and meat and eggs (8.8%) were the major contributors to TEI. Cereals and grain products contributed 42.5% to carbohydrates, followed by fruits (12.4%) and sugar, syrups, sweets and snacks (10.6%). The most important sources of protein and total fat were cereals and grain products (23.3% and 19.7%, respectively) and meat and eggs (22.0% and 18.7%, respectively). Sex, age and level of education were associated with the choice of food groups. Although macronutrient intakes were within guidelines, the Kenyan diet was revealed to be high in sugars, salt and fibre, with differences in food sources according to demographic variables. These results can act as an incentive to national authorities to implement nutritional strategies aiming to raise awareness of healthier dietary patterns among Kenyans.
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Affiliation(s)
- Catarina Pereira de Melo Vila-Real
- Universidade Católica Portuguesa CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Ana Sofia Pimenta-Martins
- Universidade Católica Portuguesa CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Catherine Nkirote Kunyanga
- Department of Food Science, Nutrition and Technology, Faculty of Agriculture, University of Nairobi, Nairobi, Kenya
| | - Samuel Kuria Mbugua
- Department of Food Science, Nutrition and Technology, Faculty of Agriculture, University of Nairobi, Nairobi, Kenya
| | - Kati Katina
- Division of Food Technology, Department of Food and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Ndegwa Henry Maina
- Division of Food Technology, Department of Food and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Ana Maria Pereira Gomes
- Universidade Católica Portuguesa CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal
| | - Elisabete Cristina Bastos Pinto
- Universidade Católica Portuguesa CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Porto, Portugal.,EPIUnit - Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
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Bukachi SA, Ngutu M, Muthiru AW, Lépine A, Kadiyala S, Domínguez-Salas P. Gender and sociocultural factors in animal source foods (ASFs) access and consumption in lower-income households in urban informal settings of Nairobi, Kenya. JOURNAL OF HEALTH, POPULATION AND NUTRITION 2022; 41:30. [PMID: 35818082 PMCID: PMC9275060 DOI: 10.1186/s41043-022-00307-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 06/28/2022] [Indexed: 11/15/2022] Open
Abstract
Background Gender shapes household decision-making and access for nutritious diets, including animal source foods (ASFs) that impact on child health and nutrition status. However, research shows that the poorest households in the urban informal settlements of Nairobi have low ASFs consumption. This study was conducted to explore further from a qualitative perspective the gender, sociocultural factors affecting household ASF consumption this study. Methods To explore further on the topic of study, an exploratory qualitative study was carried out to establish the factors that influence access, allocation and consumption of animal source foods (ASFs) by households in urban informal settings of Nairobi. Nineteen focus group discussions with men and women were conducted to enable in-depth exploration of ASFs consumption. Results Gender influences decision-making of household ASFs dietary intake. Gendered power dynamics prevail with men as breadwinners and household heads often determining the food access and consumption of ASFs. Women are increasingly accessing short-term waged-based incomes in urban informal settings and now play a role in food and nutrition security for their households. This enforces the idea that women’s decision-making autonomy is an important aspect of women empowerment, as it relates to women’s dietary diversity and subsequently, better household nutritional status. As evidenced in this study, if a woman has bargaining power based on accessing incomes to support their household food needs, she will not jeopardize food security. The mobile digital money platform was key in enabling access to resources to access food. Use of trust to access food on credit and purchasing smaller packaged quantities of food were also enablers to access of food/ASFs.
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Gebretsadik GG, Adhanu AK, Mulugeta A. Magnitude and determinants of animal source food consumption among children aged 6-23 months in Ethiopia: secondary analysis of the 2016 Ethiopian demographic and health survey. BMC Public Health 2022; 22:453. [PMID: 35255843 PMCID: PMC8900383 DOI: 10.1186/s12889-022-12807-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 06/25/2021] [Indexed: 11/28/2022] Open
Abstract
Background Undernutrition puts children in a physical and cognitive disadvantage. Animal source foods (ASFs) are important components of nutritious diets and play a significant role in increasing dietary diversity and minimizing the risk of undernutrition among children. Ethiopia still suffers from child undernutrition and there’s no adequate information regarding consumption of ASFs. The objective of this study was to determine the magnitude and determinanats of ASF consumption among children 6–23 months of age. Methodology A total weighted sample of 2861 children drawn from the 2016 Ethiopian demographic and health survey was analyzed using “SVY” command of STATA 14.0. Multivariable logistic regression was used to determine the independent determinants of ASF consumption. The strength of the association was measured by odds ratio and 95% confidence interval and p-value < 0.05 was considered statistically significant. Results Nearly half (46.5%) of the children reported consuming any type of ASF. Religion, child age, number of household assets, number of livestock owned by a household, and ownership of land usable for agriculture were significant determinants of the outcome variable. The odds of ASF consumption were six times, twice, and 70% lower in orthodox children compared to other (catholic, traditional, or others), muslim, and protestant children, respectively. Household ownership of assets and livestock led to an increase in consumption of ASF by 19 and 2%, respectively. Children aged 18–23 months were more likely to consume ASF as compared to the younger age group (6–8 months old children). In the contrary, children from households that own land usable for agriculture were 33% less likely to consume ASFs as compared to those from households that do not own. Conclusions In Ethiopia, only nearly half of children aged 6–23 months consume any type of ASF. The findings of this study imply that ASF consumption can be increased through integrated actions that involve community and religious leaders and programs focused on empowering households’ capability of owning other socioeconomic entities including assets and livestock. This study also may contribute to the growing body of research works on the importance of ASF provision in preventing child undernutrition.
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Affiliation(s)
| | - Amaha Kahsay Adhanu
- Department of Nutrition and Dietetics, School of Public Health, College of Health Sciences, Mekelle University, Mekelle, Ethiopia
| | - Afework Mulugeta
- Department of Nutrition and Dietetics, School of Public Health, College of Health Sciences, Mekelle University, Mekelle, Ethiopia
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Rodrigues CZ, Correia TC, Neves PAR, Malta MB, Cardoso MA, Lourenço BH. Predictors of 25-hydroxyvitamin D concentrations during pregnancy: A longitudinal analysis in the Brazilian Amazon. Eur J Clin Nutr 2022; 76:1281-1288. [PMID: 35190660 DOI: 10.1038/s41430-022-01102-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 02/03/2022] [Accepted: 02/07/2022] [Indexed: 11/09/2022]
Abstract
OBJECTIVES To determine predictors of 25-hydroxyvitamin D3 (25(OH)D3) concentrations (25th, 50th, and 75th percentiles) in the third trimester of pregnancy. SUBJECTS/METHODS Data on sociodemographic, obstetric, lifestyle and pregnancy characteristics, including serum 25(OH)D3 and retinol, were collected among 448 pregnant women who participated in the Maternal and Child Health and Nutrition in Acre, Brazil (MINA-Brazil Study) in Cruzeiro do Sul, Brazilian Amazon (latitude 7°S). Simultaneous-quantile regression was fitted to prospectively assess predictors at the 25th, 50th and 75th percentiles of 25(OH)D3 concentrations. RESULTS In the third trimester, 25(OH)D3 <50 nmol/L was observed in 26% of pregnant women. Exposure to the Amazonian dry season during follow-up and vitamin D status ≥75 nmol/L in the second trimester of pregnancy were positively associated with 25(OH)D3 concentrations in the third trimester. Pregnant women who were the main providers of family income presented lower 25(OH)D3 concentrations (50th and 75th percentiles: -15 nmol/L, 95%CI -24; -3, p = 0.02, and -22 nmol/L, 95%CI -36; -7, p = 0.004, respectively), as well as those with sustained vitamin A insufficiency (25th and 50th percentiles: -27 nmol/L, 95%CI -40; -15, p < 0.001, and -17 nmol/L, 95%CI -33; -1, p = 0.04, respectively). Sun protection practices had a smaller negative impact on 25(OH)D3, restricted to participants whose concentrations were at the 25th percentile of the distribution. CONCLUSIONS Seasonality and vitamin A status were important predictors of 25(OH)D3 concentrations in the third trimester. Adequate exposure to sunlight and dietary sources of vitamin A within safe intake levels may help ensuring a good nutritional status of vitamin D during pregnancy.
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Affiliation(s)
- Caroline Zani Rodrigues
- Public Health Nutrition Program, School of Public Health, University of São Paulo, São Paulo, Brazil
| | - Thaís Carlos Correia
- Public Health Nutrition Program, School of Public Health, University of São Paulo, São Paulo, Brazil
| | - Paulo Augusto Ribeiro Neves
- Public Health Nutrition Program, School of Public Health, University of São Paulo, São Paulo, Brazil.,Postgraduate Program in Epidemiology, School of Medicine, Federal University of Pelotas, Pelotas, Brazil
| | - Maíra Barreto Malta
- Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, Brazil.,Postgraduate Program in Public Health, Catholic University of Santos, Santos, Brazil
| | - Marly Augusto Cardoso
- Department of Nutrition, School of Public Health, University of São Paulo, São Paulo, Brazil
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Workie DL, Tesfaw LM. Bivariate binary analysis on composite index of anthropometric failure of under-five children and household wealth-index. BMC Pediatr 2021; 21:332. [PMID: 34332585 PMCID: PMC8325227 DOI: 10.1186/s12887-021-02770-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 06/10/2021] [Indexed: 11/15/2022] Open
Abstract
Background Malnutrition is the most common cause of mortality and morbidity of children in low and middle income countries including Ethiopia and household wealth index shares the highest contribution. Thus, in this study it is aimed to conduct bivariate binary logistic regression analysis by accounting the possible dependency of child composite index anthropometric failure and household wealth index. Methods In this study the data from Ethiopian Demographic and Health Survey (EDHS) 2016 involved 9411 under five children was considered. Child Composite Index Anthropometric Failure (CIAF) measures the aggregate child undernourished derived from the conventional anthropometric indices (stunting, underweight and wasting). The correlation between CIAF and wealth index was checked and significant correlation found. To address the dependency between the two outcome variables bivariate binary logistic regression was used to analyze the determinants of child CAIF and household wealth index jointly. Results Study results show that region, place of residence, religion, education level of women and husband/partner, sex of child, source of drinking water, household size and number of under five children in the household, mothers body mass index, multiple birth and anemia level of child had significant association with child CIAF. Female children were 0.82 times less likely to be CIAF compared to male and multiple birth children were more likely to be CIAF compared to single birth. Children from Oromia, Somalie, Gambela, SNNPR, Harari and Addis Ababa region were 0.6, 0.56, 0.67, 0.52, 0.6 and 0.44 times less likely to be CIAF compared to Tigray. A household from rural area were 15.49 times more likely poor compared to a household. The estimated odds of children whose mothers attended primary, and secondary and higher education was 0.82, and 0.52 times respectively the estimated odds of children from mothers who had never attended formal education. Conclusion The prevalence of children with composite index anthropometric failure was high and closely tied with the household wealth index. Among the determinants, region, religion, family education level, and anemia level of child were statistically significant determinants of both CIAF and household wealth index. Thus, the authors recommend to concerned bodies and policymakers work on household wealth index to reduce the prevalence of child composite anthropometric failure.
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Gityamwi NA, H. Hart K, Engel B. A Cross-Sectional Analysis of Dietary Intake and Nutritional Status of Patients on Haemodialysis Maintenance Therapy in a Country of Sub-Saharan Africa. Int J Nephrol 2021; 2021:1826075. [PMID: 34055412 PMCID: PMC8147542 DOI: 10.1155/2021/1826075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 03/18/2021] [Accepted: 04/15/2021] [Indexed: 11/23/2022] Open
Abstract
Malnutrition is common among dialysis patients, but there is insufficient literature on the problem from resource-poor settings of the sub-Saharan region. We conducted a cross-sectional investigation of dietary intake and nutritional status of haemodialysis (HD) patients to inform the current status of this population group in the region. HD patients aged ≥18 years, with dialysis vintage of ≥3 months, at one nephrology unit in Tanzania were assessed for their habitual diet and nutrient intake. Anthropometric measures and biochemistry tests were also performed. The diet was predominantly starchy food based, accompanied by a limited selection of vegetables. Fruits and animal protein were also minimally consumed (1 portion/day each). Fruit consumption was higher in females than males (median (25th, 75th) = 2 (1, 2.3) versus 0.5 (0, 1.7) portions, p = 0.008). More than 70% of participants had suboptimal measures for protein and energy intake, dietary iron, serum albumin, muscle mass, and hand grip strength (HGS). Inadequacies in protein and energy intake and dialysis clearance (URR) increased with the increase in body weight/BMI and other specific components (MAMC and FMI). Consumption of red meats correlated significantly and positively with serum creatinine (r = 0.46, p = 0.01), potassium (r = 0.39, p = 0.03), and HGS (r = 0.43, p = 0.02) and was approaching significance for a correlation with serum iron (r = 0.32, p = 0.07). C-RP correlated negatively with albumin concentration (r = -0.32, p = 0.02), and participants with C-RP within acceptable ranges had significantly higher levels of haemoglobin (p = 0.03, effect size = -0.28). URR correlated negatively with haemoglobin concentration (r = -0.36, p = 0.02). Patients will benefit from improved nutritional services that deliver individually tailored and culturally practical dietary advice to enable them to make informed food choices whilst optimizing disease management.
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Affiliation(s)
- Nyangi A. Gityamwi
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Kathryn H. Hart
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - Barbara Engel
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
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Muunda E, Mtimet N, Schneider F, Wanyoike F, Dominguez-Salas P, Alonso S. Could the new dairy policy affect milk allocation to infants in Kenya? A best-worst scaling approach. FOOD POLICY 2021; 101:102043. [PMID: 34239221 PMCID: PMC8246533 DOI: 10.1016/j.foodpol.2021.102043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 01/24/2021] [Accepted: 01/29/2021] [Indexed: 06/13/2023]
Abstract
Milk is an important food item in the diet of Kenyans, especially infants. During the last two decades, the dairy sector in Kenya has witnessed important growth in production and improvements in milk quality. The informal marketing channel still prevails, and the Kenya Dairy Board, the regulator of the dairy sector, is currently introducing new regulations to increase registration and licensing of smallholder producers and dairy business operators, improve product hygiene and quality, and safeguard the health of consumers. These new regulations encompass, among others, the requirement to pasteurize milk before it is sold and adopt traceability processes and quality tests; most of these will probably result in higher milk prices at retail level. Using the best-worst scaling approach in this study, we analyzed the potential effects of milk price increase on household milk purchase and allocation to infants (6-48 months of age). The results indicate that an increase in milk price will decrease milk allocation to and intake by children. Households will replace the lost infant milk intake by fruits or porridge that might not be of equivalent nutritional value to milk. Any reforms to policies and regulatory systems aimed at streamlining the dairy sector should account for impacts on milk prices, responsiveness of consumers to price variations and infant nutrition. We recommend that regulatory and development agencies consider interventions that do not increase price for consumers and facilitate access to affordable and safe milk for children and entire households.
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Affiliation(s)
- Emmanuel Muunda
- International Livestock Research Institute, Box 30709, Nairobi, Kenya
| | - Nadhem Mtimet
- International Fund for Agricultural Development, 1191 - Cairo, Egypt
| | | | - Francis Wanyoike
- International Livestock Research Institute, Box 30709, Nairobi, Kenya
| | | | - Silvia Alonso
- International Livestock Research Institute, Box 5689, Addis Ababa, Ethiopia
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Alarcon P, Dominguez-Salas P, Fèvre EM, Rushton J. The Importance of a Food Systems Approach to Low and Middle Income Countries and Emerging Economies: A Review of Theories and Its Relevance for Disease Control and Malnutrition. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.642635] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Our review explores the changing food production, distribution and consumption environment in low and middle-income countries and emerging economies as a basis for framing how to study food systems in order to address public health issues of food safety and nutrition. It presents the state of knowledge on existing food systems science and its use in terms of sustainable actions for food safety and public health. The review identifies a knowledge gap in food system mapping and governance, with value chain mapping of key commodities often missing. Despite a number of initiatives, the application of food systems methods is highly variable in scope and quality. Most analyses concentrate on specific commodities, rarely taking into account the need for a whole diet approach when looking at nutrition or the assessment of a range of infectious agents and their interactions when looking at food safety. Of the studies included in the review there is a growing observation of “informal” food systems, a term used inconsistently and one that requires revision. “Informal” food systems link to the formal sector to provide food security, yet with trade-offs between economic efficiencies and food safety. Efforts to improve food safety are hampered by inadequate food safety capacities and a lack of policy coherence leading to: inadequate investment; fragmented food quality control systems; weak or non-existent traceability mechanisms; weak foodborne disease surveillance; obsolete food regulation; and weak regulatory enforcement. In-depth food systems assessments can complement risk analysis to identify risky behaviors and understand institutional settings in order to improve codes of practice and enforcement. Methods for looking at food safety from a food systems perspective are emerging, yet existing nutrition and food systems science are not advancing sufficiently in response to nutritional public health problems. There is an urgency for improved understanding of the structure and drivers of the food systems, for better planning of changes that leads to nutrients access and healthy levels of eating. It is proposed that countries and international institutions provide an atlas of food system maps for the key commodities based on an agreed common methodology and developed by multidisciplinary teams.
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Kiambi S, Onono JO, Kang'ethe E, Aboge GO, Murungi MK, Muinde P, Akoko J, Momanyi K, Rushton J, Fèvre EM, Alarcon P. Investigation of the governance structure of the Nairobi dairy value chain and its influence on food safety. Prev Vet Med 2020; 179:105009. [PMID: 32438204 DOI: 10.1016/j.prevetmed.2020.105009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 04/06/2020] [Accepted: 04/20/2020] [Indexed: 10/24/2022]
Abstract
The dairy value chain of Nairobi is comprised, in its majority, of small-scale independent enterprises that operate within a complex interlinked system. In this complexity, the coordination and power structures of the system may have major influences on the management of dairy food safety. Therefore, the aim of this study was to investigate the governance structure and challenges faced by stakeholders throughout the Nairobi dairy value chain and assess their potential implications on food safety. Qualitative data were collected through focus group discussions and key informant interviews based on a dairy value chain mapping framework previously developed. Thematic analysis enabled identification of governance themes, key challenges and analysis of their implications on food safety. Themes were organized depending on their association with farmers (informal settlement or peri-urban), dairy cooperatives, dairy traders, processing companies, retailers or government officers. The identified governance themes included: i) weak linkage between government and farmers, ii) inadequate compliance with government regulations by traders and retailers, iii) emphasis on business licenses and permits for revenue rather than for food safety, iv) multiple licensing resulting in high business cost and lack of compliance, v) fragmented regulation, vi) unfair competition and vii) sanctions that do not always result in compliance. The key challenges identified included, among others: i) inadequate farmer support, ii) harassment of traders and retailers and iii) high business costs for traders, retailers, dairy cooperatives and large processors. The implication of governance and challenges of food safety were, among others: i) inadequate extension services, ii) insufficient cold chain, iii) delivery of adulterated and low milk quality to bulking centers, iv) inadequate food safety training and v) lack of policies for management of waste milk. The range of issues highlighted are based on stakeholders' perceptions and reflects the complexity of the relationships between them. Many of the governance themes demonstrate the linkages that are both beneficial or confrontational between the formal and informal sectors, and between industry and regulatory authorities, with possible direct food safety consequences. Findings obtained provide indications to decision-makers of potential governance areas that could help improve efficiency and food safety along the dairy value chain.
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Affiliation(s)
- Stella Kiambi
- Department of Public Health, Pharmacology & Toxicology, University of Nairobi, Nairobi, Kenya; International Livestock Research Institute, Nairobi, Kenya; Directorate of Veterinary Services, Nairobi, Kenya.
| | - Joshua Orungo Onono
- Department of Public Health, Pharmacology & Toxicology, University of Nairobi, Nairobi, Kenya
| | - Erastus Kang'ethe
- Department of Public Health, Pharmacology & Toxicology, University of Nairobi, Nairobi, Kenya
| | - Gabriel O Aboge
- Department of Public Health, Pharmacology & Toxicology, University of Nairobi, Nairobi, Kenya
| | | | - Patrick Muinde
- International Livestock Research Institute, Nairobi, Kenya
| | - James Akoko
- International Livestock Research Institute, Nairobi, Kenya
| | - Kelvin Momanyi
- International Livestock Research Institute, Nairobi, Kenya
| | - Jonathan Rushton
- Institute for Infection, Ecology and Veterinary Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Eric M Fèvre
- International Livestock Research Institute, Nairobi, Kenya; Institute for Infection, Ecology and Veterinary Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Pablo Alarcon
- Veterinary Epidemiology, Economics and Public Health Group, Royal Veterinary College, London, United Kingdom
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Dietary behaviours in the context of nutrition transition: a systematic review and meta-analyses in two African countries. Public Health Nutr 2020; 23:1948-1964. [PMID: 32157986 DOI: 10.1017/s1368980019004014] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE To synthesise evidence of urban dietary behaviours (macronutrients, types of foods, dietary diversity and dietary practices) in two African countries in relation to postulated changes in the context of nutrition transition. DESIGN Systematic review and meta-analyses, including six online databases and grey literature, 1971-2018 (Protocol CRD42017067718). SETTING Urban Ghana and Kenya. PARTICIPANTS Population-based studies of healthy adolescents and adults. RESULTS The forty-seven included studies encompassed 20 726 individuals plus 6526 households. Macronutrients were within WHO-recommended ranges: mean energy intake was 1867 kcal/d (95 % CI 1764, 1969) and the proportions of macronutrients were carbohydrate 61·2 % (58·4, 64·0), fat 25·3 % (22·8, 28·0) and protein 13·7 % (12·3, 15·1). The proportion of population consuming fruit and vegetables was 51·6 %; unhealthy foods, 29·4 %; and sugar-sweetened beverages (SSBs), 39·9 %. Two-thirds (68·8 %) consumed animal-source proteins. Dietary diversity scores were within the mid-range. Meal patterns were structured (typically three meals per day), with evidence lacking on snacking or eating out. CONCLUSIONS Population-level diets fell within WHO macronutrient recommendations, were relatively diverse with structured meal patterns, but some indications of nutrition transition were apparent. The proportion of population consuming fruit and vegetables was low compared to healthy-eating recommendations, and consumption of SSBs was widespread. A paucity of evidence from 1971 to 2010 precluded a longitudinal analysis of nutrition transition. Evidence from these two countries indicates which aspects of dietary behaviours may be contributing to increasing overweight/obesity, namely a low proportion of population consuming fruit and vegetables and widespread consumption of SSBs. These are potential targets for promoting healthier diets.
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Ahmed S, Dávila JD, Allen A, Haklay MM, Tacoli C, Fèvre EM. Does urbanization make emergence of zoonosis more likely? Evidence, myths and gaps. ENVIRONMENT AND URBANIZATION 2019; 31:443-460. [PMID: 31656370 PMCID: PMC6798138 DOI: 10.1177/0956247819866124] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Rapid urbanization in the global South is adding epidemiological and nutritional challenges and increasing disease and health burdens for citizens. Greater movement of people, animals, food and trade often provides favourable grounds for the emergence of infectious diseases, including zoonoses. We conduct a rapid evidence scan to explore what is known and hypothesized about the links between urbanization and zoonosis emergence. This points to rapid demographic growth, migration and density, increased movement of people and animals, and changes in land uses as the main processes linked to the prevalence of zoonosis in the urban global South. We argue that this emerging global health challenge is also deeply connected with the urbanization of poverty and inequalities within cities. Tackling the micro-level causal relationships between urbanization and zoonosis requires urgent attention to living conditions, as well as the wider socioenvironmental transitions and structural drivers that produce and reproduce risk accumulation in urban settings.
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Waage J, Cornelsen L, Dangour AD, Green R, Häsler B, Hull E, Johnston D, Kadiyala S, Lock K, Shankar B, Smith RD, Walls HL. Integrating Agriculture and Health Research for Development: LCIRAH as an Interdisciplinary Programme to Address a Global Challenge. GLOBAL CHALLENGES (HOBOKEN, NJ) 2019; 3:1700104. [PMID: 31565369 PMCID: PMC6450449 DOI: 10.1002/gch2.201700104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 02/16/2018] [Indexed: 06/10/2023]
Abstract
The multiple burdens of persistent undernutrition and micronutrient deficiencies, along with the rapidly growing rates of overweight, obesity, and associated chronic diseases, are major challenges globally. The role of agriculture and the food system in meeting these challenges is very poorly understood. Achieving food security and addressing malnutrition in all its forms, a Sustainable Development Goal, requires an understanding of how changing food systems affect health outcomes and the development of new tools to design and evaluate interventions. An interinstitutional programme to address this interdisciplinary research challenge is described. Over the past seven years, the Leverhulme Centre for Integrative Research on Agriculture and Health has built a portfolio of successful and innovative research, trained a new cadre of interdisciplinary researchers in "Agri-Health," and built an international research community with a particular focus on strengthening research capacity in low- and middle-income countries. The evolution of this programme is described, and key factors contributing to its success are discussed that may be of general value in designing interdisciplinary research programmes directed at supporting global development goals.
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Affiliation(s)
- Jeff Waage
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
| | - Laura Cornelsen
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
| | - Alan D. Dangour
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
| | - Rosemary Green
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
| | - Barbara Häsler
- Royal Veterinary College4 Royal College StreetLondonNW1 0TUUK
| | - Elizabeth Hull
- School of Oriental and African StudiesThornhaugh StreetLondonWC1H 0XGUK
| | - Deborah Johnston
- School of Oriental and African StudiesThornhaugh StreetLondonWC1H 0XGUK
| | - Suneetha Kadiyala
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
| | - Karen Lock
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
| | - Bhavani Shankar
- School of Oriental and African StudiesThornhaugh StreetLondonWC1H 0XGUK
| | - Richard D. Smith
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
| | - Helen L. Walls
- London School of Hygiene and Tropical MedicineKeppel StreetLondonWC1E 7HTUK
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Beyond food safety: Socio-economic effects of training informal dairy vendors in Kenya. GLOBAL FOOD SECURITY-AGRICULTURE POLICY ECONOMICS AND ENVIRONMENT 2018. [DOI: 10.1016/j.gfs.2018.08.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Ahlberg S, Grace D, Kiarie G, Kirino Y, Lindahl J. A Risk Assessment of Aflatoxin M1 Exposure in Low and Mid-Income Dairy Consumers in Kenya. Toxins (Basel) 2018; 10:E348. [PMID: 30158473 PMCID: PMC6162552 DOI: 10.3390/toxins10090348] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 08/11/2018] [Accepted: 08/27/2018] [Indexed: 02/08/2023] Open
Abstract
Aflatoxin M₁ (AFM₁), a human carcinogen, is found in milk products and may have potentially severe health impacts on milk consumers. We assessed the risk of cancer and stunting as a result of AFM₁ consumption in Nairobi, Kenya, using worst case assumptions of toxicity and data from previous studies. Almost all (99.5%) milk was contaminated with AFM₁. Cancer risk caused by AFM₁ was lower among consumers purchasing from formal markets (0.003 cases per 100,000) than for low-income consumers (0.006 cases per 100,000) purchasing from informal markets. Overall cancer risk (0.004 cases per 100,000) from AFM₁ alone was low. Stunting is multifactorial, but assuming only AFM₁ consumption was the determinant, consumption of milk contaminated with AFM₁ levels found in this study could contribute to 2.1% of children below three years in middle-income families, and 2.4% in low-income families, being stunted. Overall, 2.7% of children could hypothetically be stunted due to AFM₁ exposure from milk. Based on our results AFM₁ levels found in milk could contribute to an average of -0.340 height for age z-score reduction in growth. The exposure to AFM₁ from milk is 46 ng/day on average, but children bear higher exposure of 3.5 ng/kg bodyweight (bw)/day compared to adults, at 0.8 ng/kg bw/day. Our paper shows that concern over aflatoxins in milk in Nairobi is disproportionate if only risk of cancer is considered, but that the effect on stunting children might be much more significant from a public health perspective; however, there is still insufficient data on the health effects of AFM₁.
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Affiliation(s)
- Sara Ahlberg
- Department of Biosciences, International Livestock Research Institute, P.O. Box 30709, Nairobi 00100, Kenya.
- Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 66, FI-00014 Helsinki, Finland.
| | - Delia Grace
- Department of Biosciences, International Livestock Research Institute, P.O. Box 30709, Nairobi 00100, Kenya.
| | - Gideon Kiarie
- Mount Kenya University, P.O. Box 342, 01000 Thika, Kenya.
| | - Yumi Kirino
- Department of Veterinary Sciences, University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan.
| | - Johanna Lindahl
- Department of Biosciences, International Livestock Research Institute, P.O. Box 30709, Nairobi 00100, Kenya.
- Department of Medical Biochemistry and Microbiology, Uppsala University, Box 582, 75123 Uppsala, Sweden.
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, P.O. Box 7054, 75007 Uppsala, Sweden.
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Morgan EH, Hawkes C, Dangour AD, Lock K. Analyzing food value chains for nutrition goals. JOURNAL OF HUNGER & ENVIRONMENTAL NUTRITION 2018. [DOI: 10.1080/19320248.2018.1434106] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Emily H. Morgan
- Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
| | - Corinna Hawkes
- Centre for Food Policy, School of Arts & Social Sciences, City University London, London, UK
| | - Alan D. Dangour
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
| | - Karen Lock
- Faculty of Public Health and Policy, London School of Hygiene and Tropical Medicine, London, UK
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Cornelsen L, Alarcon P, Häsler B, Amendah DD, Ferguson E, Fèvre EM, Grace D, Dominguez-Salas P, Rushton J. Cross-sectional study of drivers of animal-source food consumption in low-income urban areas of Nairobi, Kenya. BMC Nutr 2016. [DOI: 10.1186/s40795-016-0109-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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