The Omicron wave in Mexico: vaccine protection against progression to severe Covid-19 in SARS-CoV-2-infected workers.

Objective: To assess the effectiveness of seven Covid-19 vaccines in preventing disease progression (DP) using data from national private sector workers during the Omicron wave in Mexico from January 2 to March 5, 2022.

Materials And Methods: This study employed an administrative retrospective cohort design, analyzing DP (hospitalization or death due to respiratory disease) among workers who filed a respiratory short-term disability claim and tested positive for SARS-CoV-2. Risk ratios (RRadj) were estimated using Poisson regression models adjusted for various factors.

SARS-CoV-2 seroprevalence and respiratory disease disability claims in Mexico City Metropolitan Area.

Objective: To characterize the impact of SARS-CoV-2 infection in workers from an essential large-scale company in the Greater Mexico City Metropolitan Area using point prevalence of acute infection, point prevalence of past infection through serum antibodies and respiratory disease short-term disability claims (RD-STDC).

Materials And Methods: Four randomized surveys, three during 2020 before and one after (December 2021) vaccines' availability.

Outcomes: point prevalence of acute infection through saliva PCR (polymerase chain reaction) testing, point prevalence of past infection through serum antibodies against Covid-19, RD-STDC and prevalence of symptoms during the previous six months.

Assessing the real-world effectiveness of five SARS-CoV-2 vaccines in a cohort of Mexican pensioners: a nationwide nested test-negative design study.

Background: Despite the extensive distribution of COVID-19 vaccines across Latin America, research on their real-world performance remains limited. We aimed to evaluate the effectiveness of five vaccines (BNT162b2, AZD1222, CoronaVac, Gam-COVID-Vac, and Ad5-nCoV) in a cohort of 2,559,792 pensioners covered by the Mexican Institute of Social Security.

Methods: We conducted a nested test-negative design study on 28,271 individuals tested for SARS-CoV-2 infection between April and November 2021, accounting for 29,226 separate episodes.

Correction: Martínez-Valverde et al. Health Needs Assessment: Chronic Kidney Disease Secondary to Type 2 Diabetes Mellitus in a Population without Social Security, Mexico 2016-2032. 2022, , 9010.

In the original publication [...

Health Needs Assessment: Chronic Kidney Disease Secondary to Type 2 Diabetes Mellitus in a Population without Social Security, Mexico 2016-2032.

Health needs assessment is a relevant tracer of planning process of healthcare programs. The objective is to assess the health needs of chronic kidney disease (CKD) secondary to type 2 diabetes mellitus (T2 DM) in a population without social security in Mexico. The study design was a statistical simulation model based on data at the national level of Mexico.

Use of Private Sector Workforce Respiratory Disease Short-Term Disability Claims to Assess SARS-CoV-2, Mexico, 2020.

We examined respiratory disease short-term disability claims submitted to the Mexican Social Security Institute during 2020. A total of 1,631,587 claims were submitted by 19.1 million insured workers.

Equitability of Individual and Population Interventions to Reduce Obesity: A Modeling Study in Mexico.

Introduction: Modeling studies have estimated the potential impact and cost effectiveness of interventions to reduce obesity; few have focused on their equity across socioeconomic groups. This study aims to compare the equitability of individual- and population-level interventions to reduce obesity in Mexico.

Methods: Mathematical models were implemented to estimate the expected effect of 2 sugar-sweetened beverage tax scenarios (10% and 20%) and bariatric surgery, pharmacotherapy, and dietary advice as individual interventions to reduce body weight.

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Este artículo propone intervenciones estructurales dirigidas a la reorganización del trabajo para evitar un repunte de casos de Covid-19, permitiendo la continuidad de la actividad económica. Se resume la evidencia disponible acerca de los ciclos de trabajo-confinamiento y la posible aplicación de ciclos de cuatro días de trabajo por tres de confinamiento (4x3) en el contexto mexicano. También se discuten otras intervenciones como la continuación del teletrabajo en algunos sectores y el escalonamiento de las jornadas de trabajo como medidas complementarias a los ciclos de trabajo-confinamiento.

Mortality attributable to sugar sweetened beverages consumption in Mexico: an update.

Background: In 2010, sugar sweetened beverages (SSBs) were estimated to cause 12% of all diabetes, cardiovascular disease (CVD) and obesity-related cancer deaths in Mexico. Using new risk estimates for SSBs consumption, we aimed to update the fraction of Mexican mortality attributable to SSBs, and provide subnational estimates by region, age, and sex.

Methods: We used an established comparative risk assessment framework.

Correction: Expected changes in obesity after reformulation to reduce added sugars in beverages: A modeling study.

[This corrects the article DOI: 10.1371/journal.pmed.

Expected changes in obesity after reformulation to reduce added sugars in beverages: A modeling study.

Background: Several strategies have been proposed to reduce the intake of added sugars in the population. In Mexico, a 10% sugar-sweetened beverages (SSBs) tax was implemented in 2014, and the implementation of other nutritional policies, such as product reformulation to reduce added sugars, is under discussion. WHO recommends that all individuals consume less than 10% of their total energy intake (TEI) from added sugars.

The Relationship of Socioeconomic Status with Body Mass Index Depends on the Socioeconomic Measure Used.

Objective: The association between socioeconomic status (SES) and body mass index (BMI) in middle-income countries is mixed. Heterogeneity in SES indicators used could explain some differences. This study aimed to identify SES indicators consistently associated with BMI in Mexican adults in 2006, 2012, and 2016.

Expected population weight and diabetes impact of the 1-peso-per-litre tax to sugar sweetened beverages in Mexico.

Study Question: What effect on body mass index, obesity and diabetes can we expect from the 1-peso-per-litre tax to sugar sweetened beverages in Mexico?

Methods: Using recently published estimates of the reductions in beverage purchases due to the tax, we modelled its expected long-term impacts on body mass index (BMI), obesity and diabetes. Microsimulations based on a nationally representative dataset were used to estimate the impact of the tax on BMI and obesity. A Markov population model, built upon an age-period-cohort model of diabetes incidence, was used to estimate the impact on diagnosed diabetes in Mexico.

Behaviours and opinions towards outdoor smoking bans and cigarette littering in Baja California, Mexico.

Objective: Outdoor smoking bans have been implemented to reduce secondhand smoke exposure and cigarette littering. We aimed to explore outdoor smoking behaviours, cigarette littering, and support towards a recently enacted outdoor smoking ban in Baja California, Mexico.

Methods: From October 2013 to April 2014 a representative sample of 800 adults from urban areas of Baja California was surveyed to obtain information on demographics, smoking status, opinion towards outdoor smoking bans in general and in specific locations, and perceptions and habits regarding cigarette littering.