Evidence map›Paper›PMID 30591040›Full record

ArticleBMC public health2018

Compliance with nutrition standards in Mexican schools and their effectiveness: a repeated cross-sectional study.

Carolina Pérez-Ferrer, Tonatiuh Barrientos-Gutierrez, Juan A Rivera-Dommarco, Francisco Javier Prado-Galbarro, Alejandra Jiménez-Aguilar, Carmen Morales-Ruán, Teresa Shamah-Levy

Abstract read
In one paragraph

Article in BMC public health, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

13 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  8. Associated substitution and complementation patterns of processed discretionary foods and drinks on total energy and added sugar intake.Journal of human nutrition and dietetics : the official journal of the British Dietetic Association · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Carolina Pérez-FerrerCentro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, 62100, Cuernavaca, Morelos, Mexico.
Tonatiuh Barrientos-GutierrezCentro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, 62100, Cuernavaca, Morelos, Mexico.
Juan A Rivera-DommarcoDirección General, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, 62100, Cuernavaca, Morelos, Mexico.
Francisco Javier Prado-GalbarroCentro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, 62100, Cuernavaca, Morelos, Mexico.
Alejandra Jiménez-AguilarCentro de Investigación en Evaluación y Encuestas, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, 62100, Cuernavaca, Morelos, Mexico.
Carmen Morales-RuánCentro de Investigación en Evaluación y Encuestas, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, 62100, Cuernavaca, Morelos, Mexico.
Teresa Shamah-LevyCentro de Investigación en Evaluación y Encuestas, Instituto Nacional de Salud Pública, Avenida Universidad 655, Santa María Ahuacatitlán, 62100, Cuernavaca, Morelos, Mexico. tshamah@insp.mx.ORCID http://orcid.org/0000-0002-1357-720X

Funding

Bloomberg Family Foundation CINYS/1305
6 · The paper itself

Abstract

backgroundMexico approved mandatory nutrient-based standards for foods sold in schools in 2011. The aim of this study was to analyse the association between compliance with nutrition standards for foods sold in schools and children's school snacks.

methodsData came from three surveys representative of Mexican elementary schools in 13 states and their students (2012, 2013 and 2015); n = 645 children from N = 99 different schools. Information on foods sold in schools and snacks consumed by children was collected through direct observation. Compliance with the standards was defined as the proportion of foods sold in school which met nutrition criteria established by the standards. Snacks were classified as healthy if they contained at least one fruit or vegetable and had no sugar-sweetened beverages. Robust logistic regression models for cross-sectional and repeated surveys aggregated at the school-level were fitted to quantify the association between school compliance with standards and healthy snacks.

resultsOn average across waves 27% of foods sold complied with nutrition standards; 18% of children consumed a healthy snack. For snacks purchased in school, a 10% increase in school compliance with the standards was associated with a 32% increase in the odds of a healthy snack (OR = 1.32; 95%CI 1.09,1.61); no association was observed for snacks brought from home. The odds of a healthy snack increased over time in schools where compliance with the standards improved (OR = 3.89; 95%CI 1.47,10.31) but not in those where compliance remained constant or decreased.

conclusionsOnly a small proportion of children are eating healthy snacks in school. School compliance with standards increases the likelihood of a healthy snack if it is bought at school. Our findings support better implementation of the standards and additional strategies to enhance the policy to achieve its aim of reducing childhood obesity.

Indexed as

Nutrition PolicyChildCross-Sectional StudiesFemaleGuideline AdherenceHumansMaleMexicoPediatric ObesitySchoolsMexicoNutrient-based standardsObesityPolicySchools

Identifiers

PMID30591040
PMCPMC6307217

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.