[Qualitative study on food perceptions, dietary practices and healthy lifestyles in the adolescent population.].

Objective: Child and adolescent obesity is a biggest public health challenge. Adolescence is a critical stage for growth and development. The objective of the research was to explore and understand the perceptions of the adolescent population about eating and healthy lifestyle habits, and the identification of barriers and facilitators.

[Weight status in the 6- to 9-year-old school population in Spain: results of the ALADINO 2019 Study].

Introduction: childhood obesity is a public health problem whose prevalence has grown steadily in recent decades. Objective: to describe the weight status of schoolchildren aged 6 to 9 years in Spain in 2019, and their associated factors. Methods: ALADINO is a cross-sectional study in schoolchildren aged 6 to 9 years, representative of the Spanish population, and aligned with the Child Obesity Surveillance Initative of the WHO Regional Office for Europe.

Weight status in the 6 to 9 year-old school population in Spain: Results of the ALADINO 2015 study.

Introduction: Overweight and obesity in childhood and adolescence has grown alarmingly in the last twenty years or so in many countries of Europe, including Spain. This study presents the prevalences of overweight and obesity in 6-9 year-old schoolchildren in 2015, and their associated characteristics.

Methodology: ALADINO (Its initials in Spanish for Diet, physical activity, child development and obesity) is a cross-sectional study of a representative sample of 6-9 year-old schoolchildren in Spain, in line with the Childhood Obesity Surveillance Initiative (COSI) of the World Health Organisation (WHO).

The relationship between hours of sleep, screen time and frequency of food and drink consumption in Spain in the 2011 and 2013 ALADINO: a cross-sectional study.

Background: The frequency of intake of food and beverages depends on a number of ill-defined behaviour patterns. The objectives of this study were to evaluate the effects of screen time and sleep duration on food consumption frequency, and to describe frequencies and types of food consumption according to BMI category and parents' level of education.

Methods: We studied 6287 and 2806 children drawn from the 2011 and 2013 cross-sectional ALADINO studies respectively.

Trans-fatty acid content of food products in Spain in 2015.

Objective: To ascertain the content of trans-fatty acids (TFA) in food products in Spain in 2015 and assess trends in TFA content since 2010.

Methods: We analysed the fat content of 277 food products purchased in Spanish supermarkets in 2015 and calculated both the total fat and TFA content and the proportion of TFA to total fats. The results obtained in 2015 were compared to those yielded by a similar study in 2010.

[CONTENT OF TRANS FATTY ACIDS IN FOOD PRODUCTS IN SPAIN].

Background: trans fatty acids are associated to several health disorders, as ischemic heart disease or diabetes mellitus.

Objectives: to assess the content of trans fatty acids in products in Spain, and the percentage of trans fatty acids respecting total fatty acids.

Methods: 443 food products were acquired in Spain, and they were classified into groups.