Publications by authors named "Francesca Sanchez-Martinez"

Objective: To describe the prevalence of obesity and analyse possible differences in it according to sociodemographic characteristics, diet, physical activity, screen use and family perception of the weight and dietary habits of schoolchildren aged 3 to 4 years in Barcelona.

Methods: We conducted a cross-sectional study in a representative sample of schools selected based on the socioeconomic status (SES) of the corresponding neighbourhood and school ownership. We selected 101 schools in Barcelona and recruited pupils aged 3 to 4 years during the 2016-17 academic year (n = 2936 children).

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Objective: Implementation fidelity is a key dimension in process evaluation but has been scarcely studied. Reptes is a selective alcohol and cannabis use prevention program performed in vulnerable young people (16-21 years) from different educational and leisure settings. The study aimed to describe the components of this program, its implementation fidelity, and satisfaction among participants and facilitators.

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Introduction: the components of school menus is an important area in health strategies. Objectives: the aim of this study was to analyse differences in adherence to recommended food frequencies and other characteristics of school meals in educational centres according to the type of school and neighbourhood income. Method: schools in the city of Barcelona with a lunch service were offered a three-year review.

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Background: Interpersonal relationships undoubtedly have a bidirectional connection with the health of individuals and communities. Relational models based on equity contribute to well-being, while asymmetrical relationships based on hierarchies and differences of power negatively impact mental, physical, and social health.

Methods: A conceptual framework for understanding the determinants of interpersonal relational models was developed.

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Objective: Despite the efforts to reduce gender inequality, sexism persists. There are still few studies on this matter that consider variables such as sexual desire or migration background. The aim of this study is to analyse the social circumstances (individual and from the immediate context) associated with sexism as well as its relationship with intimate partner violence perpetration amongst adolescents.

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Background: Dating Violence (DV) is a public health problem that is on the rise. In this paper, we aim to analyse different factors associated with DV victimization among female and male adolescents in Spain, considering socioeconomic circumstances, sexual orientation and the presence of different attitudes and experiences related to violence.

Methods: Cross-sectional data from a convenience sample of 640 ever-partnered adolescents aged 13 to 17 at schools in the cities of Alicante (n = 359, 50.

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Childhood obesity has increased worldwide over the past four decades. This quasi-experimental study aimed to assess the effectiveness of a multicomponent and multilevel school-based intervention (POIBA) at 3 years of follow-up. The nutrition intervention focused on food groups, food pyramid, nutrients, portions, and balanced menus.

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Introduction: childhood overweight and obesity have increased progressively in the last decades, especially in countries of Southern Europe. Objective: to analyze the association of overweight and obesity childhood in the city of Barcelona according to socioeconomic variables in schoolchildren in third grade primary school. Methods: transversal study.

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Background: Childhood obesity is becoming a serious problem, and prevention programs are needed.

Objective: The purpose of this study was to evaluate, after 1 y, the effectiveness of a multicomponent, school-based obesity intervention program.

Methods: This intervention, conducted in Barcelona, Spain, was a quasi-experimental obesity primary prevention intervention targeting schoolchildren aged 9-10 y.

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Background: Childhood obesity preventive interventions should promote a healthy diet and physical activity at home and school. This study aims to describe a school-based childhood obesity preventive programme (POIBA Project) targeting 8-to-12- year-olds.

Design And Methods: Evaluation study of a school-based intervention with a pre-post quasi-experimental design and a comparison group.

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: It is difficult to obtain good food reports with Food Frequency Questionnaires (FFQ) among children. In addition, validated questionnaires are scarce. : The aim of this study was to validate the 'POIBA-How do we eat?' (POIBA-HDWE) FFQ and whether it could be administered to children under 10 years of age.

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Objective: Childhood overweight and obesity have increased progressively in the last decades, especially in countries of Southern Europe. The aim of this study was to identify the prevalence of overweight, obesity and its determinants in schoolchildren between 8-9 years old from Barcelona.

Methods: Cross-sectional study of a representative sample of 3,262 schoolchildren in 2011.

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Objectives: To describe food consumption frequency in adolescents in the context of the financial crisis in 2012, and to analyse potential fluctuations in excess body weight between 2008 and 2012.

Method: A cross-sectional study of eating habits and excess body weight was conducted in adolescents aged 13 to 19 years old from public, subsidised and private secondary schools in Barcelona, Spain. The FRESC lifestyle risk factors survey was used, and food frequency consumption, food recommendations and body mass index were analysed according to gender, year of education and socioeconomic status.

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The percentage of failure and relapse in the treatment of obesity is high. Where possible, the preferred strategy for preventing obesity is to modify eating habits and lifestyles. This article aims to provide a framework for evidence on the most effective interventions for addressing childhood obesity, both from a prevention point of view, as well as reducing it, when it is already established.

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Background: Barcelona (Spain) has experienced a dramatic change in its demography, which is reflected in the local epidemics of tuberculous lymphadenopathy (TL). The objective of the study is to analyze the associated risk factors to TL in a district of Barcelona with an incidence above 50 cases per 10,000 inhabitants/year, which will help to construct a diagnostic algorithm.

Methods: single-centre retrospective cohort study of all cases of TL diagnosed between 1990 and 2009.

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Background And Objective: Vitamin D (vitD) is involved in the phosphor-calcium metabolism and bone pathology, but also in inflammatory and infectious processes such as tuberculosis. The present study evaluates the clinical and epidemiological aspects of active tuberculosis cases and latently infected contacts in whom plasma concentrations of vitD were obtained to determine whether the deficiency of vitD is a risk factor to develop active tuberculosis, especially the more severe forms.

Method: Observational, retrospective study that included 86 tuberculosis patients and 80 contacts with latent infection in a 2-year period.

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Objectives: Smoking is a preventable cause of early death and the habit starts in adolescence. The aim of this study was to describe tobacco consumption in secondary school students in 2008 and trends in the last 20 years in Barcelona.

Material And Methods: We analyzed the trend in tobacco consumption by comparing data from 8 surveys carried out between 1987 and 2008 in the 8th (2nd year of Compulsory Secondary Education), 10th (4th year of Compulsory Secondary Education) and 12th (2nd year of Compulsory Secondary Education) years of secondary school.

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Background: The effectiveness of a cannabis prevention program in high school students was assessed.

Methods: A quasi-experimental study was designed to evaluate the effectiveness of an intervention implemented in an intervention group (IG) with 39 schools compared with a control group (CG) of 47 schools not exposed to the intervention. Of 224 secondary schools in Barcelona, 86 were assessed in the 2005-2006 school year through a personal questionnaire administered at baseline and 15 months after the intervention.

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Evaluation of public health interventions usually focus on the quality of design and research methods, and less on the quality of the intervention or process evaluation. In process evaluation of school-based interventions, key issues are how completely the intervention is carried out and adherence to the protocol. In addition, exploration of intermediate variables, such as those that influence (and often predict) preventable behavior, is highly useful.

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Objective: To assess the impact of the 28/2005 Spanish smoking law on exposure to second-hand smoke (SHS) in Barcelona.

Methods: We performed a pre-post evaluation study. Two cross-sectional surveys were compared.

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Objectives: To quantify the concentration of respirable particles equal to or smaller than 2.5μm (PM(2.5)) as a marker of second-hand smoke (SHS) exposure in a sample of hospitality venues in Barcelona 2 years after the Spanish smoking law came into effect.

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Background: The observed positive effects of school-based prevention programs are frequently lower than what was expected, usually due to inadequate implementation.

Aims: To describe the process evaluation of a cannabis use school-based prevention program (xkpts.com), to measure teachers' satisfaction with the program and to define quantitative and qualitative parameters for assessing the exhaustiveness of the intervention.

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This study aimed to investigate factors related to initiation of cannabis consumption among adolescents. A questionnaire was administered to 2043 14-15-year-olds from Barcelona who were followed-up and re-interviewed after 15 months. A bivariate analysis was performed to identify the factors associated with consumption, and multivariate logistic regression was carried out to model cannabis initiation.

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