A declaration on the value of experiential measures of food and water insecurity to improve science and policies in Latin America and the Caribbean.

BACKGROUND: Water security is necessary for good health, nutrition, and wellbeing, but experiences with water have not typically been measured. Given that measurement of experiences with food access, use, acceptability, and reliability (stability) has greatly expanded our ability to promote food security, there is an urgent need to similarly improve the measurement of water security. The Water InSecurity Experiences (WISE) Scales show promise in doing so because they capture user-side experiences with water in a more holistic and precise way than traditional supply- side indicators. Early use of the WISE Scales in Latin American & the Caribbean (LAC) has revealed great promise, although representative data are lacking for most of the region. Concurrent measurement of experiential food and water insecurity has the potential to inform the development of better-targeted interventions that can advance human and planetary health. MAIN TEXT: On April 20-21, 2023, policymakers, community organizers, and researchers convened at Universidad Iberoamericana in Mexico City to discuss lessons learned from using experiential measures of food and water insecurity in LAC. At the meeting's close, organizers read a Declaration that incorporated key meeting messages. The Declaration recognizes the magnitude and severity of the water crisis in the region as well as globally. It acknowledges that traditional measurement tools do not capture many salient water access, use, and reliability challenges. It recognizes that the WISE Scales have the potential to assess the magnitude of water insecurity more comprehensively and accurately at community, state, and national levels, as well as its (inequitable) relationship with poverty, poor health. As such, WISE data can play an important role in ensuring more accountability and strengthening water systems governance through improved public policies and programs. Declaration signatories express their willingness to promote the widespread use of the WISE Scales to understand the prevalence of water insecurity, guide investment decisions, measure the impacts of interventions and natural shocks, and improve public health. CONCLUSIONS: Fifty-three attendees endorsed the Declaration - available in English, Spanish and Portuguese- as an important step to making progress towards Sustainable Development Goal 6, "Clean Water and Sanitation for All", and towards the realization of the human right to water.

Adaptation of a community health outreach model during the COVID-19 pandemic: the case of the Mexican consulates in the United States of America.

The Ventanillas de Salud (VDS - "Health Windows") are a culturally sensitive outreach program within the 49 Mexican Consulates in the United States that provides information and health care navigation support to underserved and uninsured Mexican immigrants. During the COVID-19 pandemic the VDS rapidly transitioned to remote operations adding new services. Based on the EquIR implementation framework, this qualitative study investigates how adaptations to improve emergency preparedness were performed. We conducted motivational interviews with three actors - six VDS coordinators, eight partner organizations, and ten VDS users- in two VDS, Los Angeles and New York, to document specific needs of the target population and identify implementation processes to adapt and continue operating. The VDS adapted their model by adding new services for emerging needs, by switching service provision modalities, and by expanding the network of partner organizations. According to the VDS staff, these adaptations increased their topics, depth, reach, and diversified their users. Users had mostly positive opinions about the VDS adaptation, although they highlighted some heterogeneity across service provision. The VDS is a public health intervention able to serve a marginalized population and its implementation offers valuable lessons to complement health systems and to improve preparedness and resiliency for future crises.

Association between Feelings of Trust and Security with Subjective Health among Mexican Migrants in the New York City Area.

The size of the foreign-born population living in the United States makes migrants' health a substantive policy issue. The health status of Mexican immigrants might be affected by the level of social capital and the social context, including the rhetoric around immigration. We hypothesize that a diminished perception of trust and safety in the community has a negative impact on self-reported health. In a cross-sectional study, we conducted a survey among 266 Mexican Immigrants in the New York City Area who used the Mexican Consulate between May and June 2019 for regular services provided to documented and undocumented immigrants. A univariate and bivariate descriptive analysis by trust and security items first shows the diversity of the Mexican population living in the US and the conditions of vulnerability. Then, logistic regression models estimate the association between trust and security items with self-reported health status. Results show that safety is consistently associated with good self-rated health, especially when rating the neighborhood, and trust showed mixed results, more reliant to the way it is operationalized. The study illustrates a pathway by which perceptions of the social context are associated with migrants' health.

A Qualitative Assessment of the Essential Health and Nutrition Service Delivery in the Context of COVID-19 in Bangladesh: The Perspective of Divisional Directors.

Bangladesh suffered disruptions in the utilization of essential health and nutrition services (EHNS) during the COVID-19 pandemic. The magnitude of the pandemic has been documented, but little is known from the perspectives of health administrators. A rapid qualitative assessment of division-level capacity identified successes and bottlenecks in providing EHNS- and COVID-19-related services during the first months of the pandemic in Bangladesh. Semi-structured interviews were held with the Health and Family Planning Divisional Directors of the Ministry of Health and Family Welfare. The Primary Health Care System Framework guided the content analysis, focusing on (i) service delivery, (ii) communication and community outreach, and (iii) surveillance and service monitoring. Our findings identified low care seeking due to fears of getting infected and unawareness that EHNS were still available. Adaptations to telemedicine were highly heterogeneous between divisions, but collaboration with NGOs were fruitful in reinstating outreach activities. Guidelines were centered on COVID-19 information and less so on EHNS. The inflexibility of spending capacities at divisional and clinic levels hindered service provision. Misinformation and information voids were difficult to handle all around the country. Community health workers were useful for outreach communication. EHNS must be guaranteed during sanitary emergencies, and Bangladesh presented with both significant efforts and areas of opportunity for improvement.

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Aproximación al consumo de alimentos recomendables y no recomendables en la primera ola de la pandemia por Covid-19 en México.

OBJETIVO: Estimar la frecuencia con la que se consumen algunos alimentos recomendables y no recomendables du-rante la pandemia por Covid-19 en México, y su asociación con características sociodemográficas y seguridad alimentaria. Material y métodos. Se analizó la Encuesta de Seguimien-to de los Efectos del Covid en el Bienestar de los Hogares Mexicanos (Encovid-19). Se identificaron cuatro grupos con información de la frecuencia de su consumo y se estimaron modelos de regresión logística ajustando por características sociodemográficas y seguridad alimentaria. RESULTADOS: Los niveles socioeconómicos más altos A/B y C se asociaron con una mayor frecuencia de consumo de alimentos recomenda-bles y no recomendables. La inseguridad leve se asoció con un menor consumo de alimentos recomendables, y la inseguridad moderada y severa se asociaron con un menor consumo de todos los grupos estudiados. CONCLUSIONES: Comprender la experiencia de la inseguridad alimentaria durante una cri-sis como la pandemia puede indicar la necesidad de incluir grupos de población tradicionalmente no considerados en los programas de apoyo.

Time and gender measurement invariance in the modified Calderon depression scale.

BACKGROUND: Assessing change and comparing groups requires high quality and invariant scales. However, there is limited evidence of simultaneous longitudinal and gender measurement invariance for depression scales. This evidence is even more scant with long-established panel studies from low and middle-income countries. METHODS: In this paper, we used three waves (years 2002, 2005, and 2009) of a nationally representative panel study to examine the psychometric properties of the modified Calderon Depression Scale (CAL-DM)-a one-item exclusion of a depression scale designed for a population residing in a middle-income country (i.e., Mexico). Our analytical sample included 16,868 participants: 7,696 men and 9,172 women. Using Confirmatory Factor Analysis (CFA), we first examined overall fit in each wave, and then we tested time, gender, and time-gender measurement invariance across three waves. We also estimated and compared depression score means by gender and time. Finally, we examined the association between depression scores and self-rated health. RESULTS: Our analyses indicated the CAL-DM is a robust scale, suitable for time, gender, and time by gender comparisons. Mean comparisons exemplified how the scale can be used as a latent variable or a summative score. Women have higher depression scores than men and the gap is narrowing from 3.4 in 2002 to 2.5 in 2009. CONCLUSIONS: The CAL-DM is a reliable instrument to measure depression in the Mexican general population that can be used for epidemiological research. Our results will contribute to a burgeoning line of research that examines the social determinants of depression, and the risk factors associated with different individuals' depression trajectories over the life course.

Barriers to COVID-19 vaccination among older adults in Mexico City.

Vaccines are effective to reduce COVID-19 related outcomes, but universal vaccination campaigns can reveal within-country access inequities. Mexico City has had high rates of COVID-19 related morbidity and mortality and a population survey warned that vaccine acceptance was lowest in older adults. Since February 2021, Mexico started a universal and free vaccination campaign prioritizing older adults. By April 17, every older adult in Mexico City had been eligible to receive the first dose. A week later, we conducted a telephone survey representative of older adults residing in Mexico City (n = 503). We asked if they received their first dose and, if they haven't, we followed-up with an open question to register their reasons. In addition to sociodemographic characteristics and food insecurity, we also inquired about vaccine hesitancy, health concerns related to COVID-19, self-rated health, comorbidities, frailty, and depression. The objective of the study was to identify the main barriers to receive the first dose of the vaccine. We estimated descriptive statistics and logistic regression models. Results show that 7.6% of older adults in Mexico City did not receive their first dose. Barriers for not receiving it were vaccine hesitancy (60.4%), not having COVID-19 health concerns (46.4%), poor self-rated health (46.7%), a previous diagnosis of depression (35.7%), low socioeconomic status (65.4%), and household food insecurity (59.8%). Responses to the open question clustered in four themes: misinformation about the process (30%), distrust of the vaccine (24%), personal health problems (24%), and difficulties to get an appointment (22%). Logistic regression models adjusted for vaccine hesitancy and revealed two distinct reasons for not having their first dose: 1) vaccine hesitancy and misinformation on COVID-19, and 2) household food insecurity. Reaching these two groups requires active and differentiated public-health measures; the first with additional information from trusted sources, and the second by facilitating vaccination in neighborhoods with high levels of food insecurity and informal labor, where missing a day's work is a strong disincentive. Vaccination campaigns need an equity lens to reach universal coverage; ensuring full access demands thorough and carefully tailored new interventions.

Pre-COVID-19 Social Determinants of Health Among Mexican Migrants in Los Angeles and New York City and Their Increased Vulnerability to Unfavorable Health Outcomes During the COVID-19 Pandemic.

COVID-19 has disproportionally affected underrepresented minorities (URM) and low-income immigrants in the United States. The aim of the study is to examine the underlying vulnerabilities of Mexican immigrants in New York City (NYC) and Los Angeles (LA), its correspondence with area-level COVID-19 morbidity and mortality, and to document the role of trusted and culturally sensitive services offered during the pandemic through the Ventanillas de Salud (i.e. VDS, Health Windows) program. The study uses a mixed-methods approach including a cross-sectional survey of Mexican immigrants in LA and NYC collected in the Mexican Consulates at the onset of the pandemic, complemented with a georeferencing analysis and key informant interviews. Data suggested an increased vulnerability to COVID-19 given participants reported health status, health care profile and place of residence, which coincided with the georeferencing analysis. The key informant interviews confirmed the vulnerability of this population and the supporting role of VDS in helping immigrants navigate health systems and disseminate health information. Mexican immigrants had an increased vulnerability to COVID-19 at the individual, geographic and systemic levels. Trusted and culturally sensitive services are needed to overcome some of the barriers and risk factors that increase the vulnerability of URM and immigrant populations to COVID-19.

La migración como determinante de la obesidad infantil en Estados Unidos y Latinoamérica.

La migración internacional tiene consecuencias económicas y en la salud. El proceso de aculturación en el país de acogida puede estar relacionado con la obesidad infantil. Utilizamos el marco conceptual del balance energético comunitario (CEB, por sus siglas en inglés) para analizar la relación entre migración y obesidad infantil en los hogares mexicanos con migrantes internacionales. Utilizando datos longitudinales de la Encuesta Nacional de Niveles de Vida de los Hogares de México (ENNViH), examinamos cómo influyen las redes de migrantes sobre la obesidad infantil en las comunidades de origen. También revisamos programas de salud binacionales que podrían ser eficaces para abordar la obesidad infantil en los hogares de migrantes procedentes de México. Los niños que forman parte de las redes de migrantes presentan un mayor riesgo de -desarrollar sobrepeso y obesidad, lo cual sugiere una relación significativa entre la obesidad infantil y la migración internacional en los hogares mexicanos. Basándonos en los criterios de búsqueda que habíamos definido, realizamos un análisis de programas de extensión comunitaria en salud cuyos resultados indican que las Ventanillas de Salud (VDS) son una opción prometedora para prevenir la obesidad infantil en un entorno de confianza y culturalmente sensible. El marco conceptual CEB es útil para comprender cómo contribuye la migración al riesgo de sobrepeso y obesidad infantil en los hogares de los migrantes. Las VDS son una estrategia viable y replicable con un gran potencial para abordar la obesidad infantil entre las familias migrantes y que toma en cuenta los determinantes dinámicos y binacionales de la obesidad infantil.

Prevalencia mensual de trastorno de ansiedad generalizada durante la pandemia por Covid-19 en México / Monthly prevalence of generalized anxiety disorder during the Covid-19 pandemic in Mexico

Resumen: Objetivo: Estimar la prevalencia de ansiedad generalizada (GAD, por sus siglas en inglés) entre abril y junio de 2020. Material y métodos: Diseño transversal repetido basado en la Encovid-19, una serie de encuestas telefónicas mensuales con muestras representativas de México (N= 833-1 674). El cuestionario incluye la escala GAD-2 y en julio se añadió la GAD-7; se examinó su validez interna con análisis factorial confirmatorio y su validez concurrente con variables sociodemográficas. Con la GAD-7 como criterio, se calculó la validez predictiva de la GAD-2. Se estimó la prevalencia mensual con la GAD-2. Resultados: La GAD-7 y la GAD-2 son confiables y válidas. La GAD-2 tiene una sensibilidad de 0.87 y una especificidad de 0.90. La prevalencia mensual se mantuvo alta y estable, entre 30.7 y 32.6%. El GAD se concentró en mujeres, personas desocupadas y de bajo nivel socioeconómico. Conclusiones: El GAD es un problema de salud pública que se agravó con la pandemia por Covid-19.

Abstract: Objective: Estimate the prevalence of generalized anxiety disorder (GAD) from April to June 2020. Materials and methods: Repeated cross-sections design based in the Encovid-19, a series of monthly mobile surveys with representative samples of Mexico (N= 833-1 674). The questionnaire includes the GAD-2 scale, and, in July, the GAD-7 scale was added; we examined its internal validity with confirmatory factor analysis and its concurrent validity with sociodemographic variables. Using GAD-7 as criterion, we analyzed the predictive validity of the GAD-2. We estimated the monthly prevalence with the GAD-2. Results: The GAD-7 and the GAD-2 are reliable and valid. The GAD-2 has a sensitivity of 0.87 and a specificity of 0.90. The monthly prevalence remains high and stable, between 30.7 and 32.6%. GAD concentrated in women, unemployed and persons with low socioeconomic status. Conclusions: GAD is a public health problem that worsened during the Covid-19 pandemic.

Migration as a determinant of childhood obesity in the United States and Latin America.

International migration has economic and health implications. The acculturation process to the host country may be linked to childhood obesity. We use the Community Energy Balance (CEB) framework to analyze the relationship between migration and childhood obesity in Mexican households with international migrants. Using longitudinal data from the Mexican Family Life Survey (MxFLS), we examine how migrant networks affect childhood obesity in origin communities. We also review binational health programs that could be effective at tackling childhood obesity in migrant households from Mexico. Children embedded in migrant networks are at greater risk of developing overweight or obesity, suggesting a significant relationship between childhood obesity and international migration in Mexican households. Based on our search criteria, our analysis of health outreach programs shows that Ventanillas de Salud (VDS)/Health Windows has great promise to prevent childhood obesity in a culturally sensitive and trustful environment. The CEB framework is useful to understand how migration contributes to the risk of childhood overweight and obesity in migrant households. VDS is a feasible and replicable strategy with great potential to address childhood obesity among migrant families accounting for the dynamic and binational determinants of childhood obesity.

Breastfeeding Media Coverage and Beliefs During the COVID-19 Pandemic in Mexico: Implications for Breastfeeding Equity.

BACKGROUND: Breastfeeding offers short- and long- term health benefits to mothers and children and constitutes a priority for public health. Evidence shows that SARS-CoV-2 is not likely to be transmitted via breastmilk. Moreover, antibodies against SARS-CoV-2 are presumably contained in breastmilk of mothers with history of COVID-19 infection or vaccination. Direct breastfeeding is the preferred infant feeding option during the pandemic, but conflicting practices have been adopted, which could widen existing disparities in breastfeeding. This study aims to describe how was information about breastfeeding communicated in Mexican media during the pandemic and assess Mexican adults' beliefs regarding breastfeeding among mothers infected with COVID-19. METHODS: A retrospective content analysis of media coverage on breastfeeding in Mexico between March 1 and September 24, 2020, excluding advertisements, was done. For the content analysis, both a sentiment analysis and an analysis based on strengths, weaknesses, opportunities and threats for breastfeeding promotion were performed. Also, we incorporated a descriptive analysis from the July 2020 wave of the ENCOVID-19 survey, which included questions on beliefs about breastfeeding. This information was stratified by gender, age, and socioeconomic status. RESULTS: 1014 publications on breastfeeding were identified in internet, newspapers, TV, and magazines. Most information was published during World Breastfeeding Week, celebrated in August. Based on the sentiment analysis, 57.2% of all information was classified as positive, and based on the SWOT analysis, most information was classified either as strengths or opportunities for breastfeeding promotion. However, the ENCOVID-19 data showed that 67.3% of people living in households with children under 3 years of age believe that mothers with COVID-19 should not breastfeed, and 19.8% stated that they simply didn't know. These beliefs showed differences both by gender and by socioeconomic status. CONCLUSIONS: While the Mexican government endorsed the recommendations on breastfeeding during the COVID-19 pandemic, communication of those messages was sporadic, inconstant and unequal across types of media. Moreover, there were also negative messages for breastfeeding circulating on the media. There continues to be a widespread notion that mothers with COVID-19 should not breastfeed and, due to differences on beliefs by socioeconomic status, health inequities could be exacerbated.

Urban poverty and nutrition challenges associated with accessibility to a healthy diet: a global systematic literature review.

BACKGROUND: There is an increasing global trend towards urbanization. In general, there are less food access issues in urban than rural areas, but this "urban advantage" does not benefit the poorest who face disproportionate barriers to accessing healthy food and have an increased risk of malnutrition. OBJECTIVES: This systematic literature review aimed to assess urban poverty as a determinant of access to a healthy diet, and to examine the contribution of urban poverty to the nutritional status of individuals. METHODS: Following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) methodology, our review included quantitative and qualitative studies published in English or in Spanish between 2000 and 2019. The articles were eligible if they focused on nutrition access (i.e. access to a healthy diet) or nutrition outcomes (i.e., anemia, overweight and obesity, micronutrient deficiency, micronutrient malnutrition) among urban poor populations. Articles were excluded if they did not meet pre-established criteria. The quality of the quantitative studies was assessed by applying Khan et al.'s methodology. Similarly, we assessed the quality of qualitative articles through an adapted version of the National Institute for Health and Care Excellence (NICE) methodology checklist. Finally, we systematically analyzed all papers that met the inclusion criteria based on a qualitative content and thematic analysis. RESULTS: Of the 68 papers included in the systematic review, 55 used quantitative and 13 used qualitative methods. Through the analysis of the literature we found four key themes: (i) elements that affect access to healthy eating in individuals in urban poverty, (ii) food insecurity and urban poverty, (iii) risk factors for the nutritional status of urban poor and (iv) coping strategies to limited access to food. Based on the systematization of the literature on these themes, we then proposed a conceptual framework of urban poverty and nutrition. CONCLUSIONS: This systematic review identified distinct barriers posed by urban poverty in accessing healthy diets and its association with poorer nutrition outcomes, hence, questioning the "urban advantage". A conceptual framework emerging from the existing literature is proposed to guide future studies and policies. SYSTEMATIC REVIEW REGISTRATION: PROSPERO Registration number: CRD42018089788 .

[Monthly prevalence of generalized anxiety disorder during the Covid-19 pandemic in Mexico]. / Prevalencia mensual de trastorno de ansiedad generalizada durante la pandemia por Covid-19 en México.

Objective. Estimate the prevalence of generalized anxiety disorder (GAD) from April to June 2020. Materials and methods. Repeated cross-sections design based in the Encovid-19, a series of monthly mobile surveys with representative samples of Mexico (N= 833-1 674). The questionnaire includes the GAD-2 scale, and, in July, the GAD-7 scale was added; we examined its internal validity with confirmatory factor analysis and its concurrent validity with sociodemographic variables. Using GAD-7 as criterion, we analyzed the predictive validity of the GAD-2. We estimated the monthly prevalence with the GAD-2. Results. The GAD-7 and the GAD-2 are reliable and valid. The GAD-2 has a sensitivity of 0.87 and a specificity of 0.90. The monthly prevalence remains high and stable, between 30.7 and 32.6%. GAD concentrated in women, unemployed and persons with low socioeconomic status. Conclusions. GAD is a public health problem that worsened during the Covid-19 pandemic.

Food Insecurity Among Older Adults: A Multilevel Analysis of State-Level Interventions.

Objective: To analyze whether state-level social programs for older adults (OAs) in Mexico are associated with a reduction: (a) in the prevalence of severe food insecurity (SFI) and (b) in the magnitude of the effect of municipal marginalization on SFI. Method: Cross-sectional study based on urban OAs (65-100 years) from the 2010 census. Three-level logistic multilevel regression models were estimated to explain SFI. Results: Controlling for individual and municipal characteristics, states with social programs for OAs are generally associated with lower SFI prevalences (odds ratio [OR] = 0.68 [0.48, 0.95]) and mitigate the effect of marginalization on SFI when compared with states with no programs. Compared with in-kind food programs and voucher-based programs, monetary transfers are associated with a significant reduction in SFI prevalence (OR = 0.68 [0.46, 0.99]). Conclusion: States with programs for OAs, mainly monetary transfers, are associated with lower SFI prevalences.

Food insecurity measurement and prevalence estimates during the COVID-19 pandemic in a repeated cross-sectional survey in Mexico.

OBJECTIVE: To validate the telephone modality of the Latin American and Caribbean Food Security Scale (ELCSA) included in three waves of a phone survey to estimate the monthly household food insecurity prevalence during the COVID-19 pandemic in Mexico. DESIGN: We examined the reliability and internal validity of the ELCSA scale in three repeated waves of cross-sectional surveys with Rasch models. We estimated the monthly prevalence of food insecurity in the general population and in households with and without children and compared them with a national 2018 survey. We tested concurrent validity by testing associations of food insecurity with socio-economic status and anxiety. SETTING: ENCOVID-19 is a monthly telephone cross-sectional survey collecting information on the well-being of Mexican households during the pandemic lockdown. Surveys used probabilistic samples, and we used data from April (n 833), May (n 850) and June 2020 (n 1674). PARTICIPANTS: Mexicans 18 years or older who had a mobile telephone. RESULTS: ELCSA had an adequate model fit and food insecurity was associated, within each wave, with more poverty and anxiety. The COVID-19 lockdown was associated with an important reduction in food security, decreasing stepwise from 38·9 % in 2018 to 24·9 % in June 2020 in households with children. CONCLUSIONS: Telephone surveys were a feasible strategy to monitor reductions in food security during the COVID-19 lockdown.

How do context variables affect food insecurity in Mexico? Implications for policy and governance.

OBJECTIVE: To assess, from a systems perspective, how climate vulnerability and socio-economic and political differences at the municipal and state levels explain food insecurity in Mexico. DESIGN: Using a cross-sectional design with official secondary data, we estimated three-level multinomial hierarchical linear models. SETTING: The study setting is Mexico's states and municipalities in 2014. PARTICIPANTS: Heads of households in a representative sample of the general population. RESULTS: At the municipal level, vulnerability to climate disasters and a poverty index were significant predictors of food insecurity after adjusting for household-level variables. At the state level, gross domestic product and the number of nutrition programmes helped explain different levels of food insecurity but change in political party did not. Predictors varied in strength and significance according to the level of food insecurity. CONCLUSIONS: Findings evidence that, beyond food assistance programmes and household characteristics, multiple variables operating at different levels - like climate vulnerability and poverty - contribute to explain the degree of food insecurity. Food security governance is a well-suited multisectoral approach to address the complex challenge of hunger and access to a nutritious diet.

Fidelity of Implementation of Prospera Digital: Evaluation of a Multi-Site mHealth Intervention Aimed at Improving Maternal Health Outcomes in Mexico.

BACKGROUND: Infrastructure and human capital limitations motivate the design of mHealth programs, but their large-scale implementation may be challenging in a development context. Prospera Digital (PD) is a pilot mHealth intervention aiming to improve maternal and child health and nutrition designed as a randomized controlled trial with 3 treatment arms. It was implemented during 2015-2017 in 326 treatment clinics located in 5 states in Mexico. OBJECTIVE: Assess, with an external evaluation, PD's fidelity of implementation using 6 dimensions: adherence, quality, responsiveness, intervention complexity, facilitation strategies, and program differentiation. METHODS: Benchmark for implementation was first established by interviewing PD's developers. Extensive fieldwork in the 5 states was then conducted to assess its fidelity in heterogeneous contexts. The evaluation team visited 39 health clinics to assess the initial sign-up events and conduct a follow-up. Overall, the team made 28 closed observations; conducted 17 focus groups; and interviewed 74 health providers, 10 community leaders, and 92 beneficiaries. Field notes from the implementation team on all clinics were also examined. RESULTS: Co-ordination between the Health and Social Development ministries was adequate, although some health providers were not informed about PD. Program developers added useful implementation strategies during roll-out to reinforce sign-up events. Key quality facilitators were the clarity and relevance of the messages from the short messages service. Beneficiaries expressed high satisfaction with PD. In contrast, implementation barriers to adherence in some localities might reduce the potential impact of PD. Program differentiation was low between the 3 treatment arms. CONCLUSIONS: PD is a promising strategy to contribute to the promotion of early childhood development in Mexico. Implementation science evaluation can help improve the quality of large-scale mHealth interventions by anticipating barriers and providing insights on how to increase performance. This is especially relevant to inform impact evaluation in development contexts. The trial was registered at the American Economic Association's registry for randomized controlled trials with trial registry number 'AEARCTR-0001035'.

Association Between Depression and Elder Abuse and the Mediation of Social Support: A Cross-Sectional Study of Elder Females in Mexico City.

OBJECTIVE: We assessed the association between depression and elder abuse, and the mediation effect of social support among elder women in Mexico City. METHOD: A total of 526 noninstitutionalized elder women, residing in Mexico City and attending public community centers were selected. Logistic regressions and structural equation models (SEM) were estimated. RESULTS: One fifth of the elderly women were at risk of depression, one third suffered some type of abuse in the past 12 months, and 82% reported low social support. Logistic models confirmed that depression was statistically associated with elder abuse and vice versa (odds ratio [OR] = 1.97 and 1.96, respectively). In both models, social support significantly reduced the association between these variables leading to study these associations through SEM. This approach highlighted that social support buffers the association between depression and elder abuse. DISCUSSION: Findings underline the relevance of programs and strategies targeted at increasing social support among urban older adults.