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The aim of this study was to compare bibliometric indicators of scientific productivity in physical activity (PA) in children and adolescents with Autism spectrum disorder (ASD) and Down syndrome (DS) in the PubMed database. A bibliometric study was conducted for the last 5 years (2017 to 2021). The data collected for each article were: year of publication, language of publication, country, journal name, and type of paper. The results showed that there was higher scientific productivity in the population with DS (20 studies) relative to their counterparts with ASD (31 studies). The language of publication in both cases was English. There were 10 countries that published on PA in ASD and 14 countries that published on DS. Overall, the greatest interest in publishing on PA in children and adolescents with ASD was in North America (6 studies), followed by Asia (5 studies) and Europe (4 studies). In the DS population it was in Europe (13 studies), North America (9 studies) and South America (4 studies). Nineteen journals were identified that published in the ASD population and 29 journals in DS. Six experimental studies were identified in ASD and 7 in DS. There was a higher scientific productivity with original studies. There was a positive trend of increasing scientific productivity over the years in both populations. We suggest the need to promote research on PA in both populations, regardless of the type of study, as it is an indicator of overall health status. [ABSTRACT FROM AUTHOR]

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Copyright of Revista Nutrición Clínica y Dietética Hospitalaria is the property of Sociedad Espanola de Dietetica y Ciencias de la Alimentacion and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Revista Nutrición Clínica y Dietética Hospitalaria is the property of Sociedad Espanola de Dietetica y Ciencias de la Alimentacion and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Objective: To validate a questionnaire to measure the concern on feeding habits in adolescents, verifying the reliability and develop normative values based on age, sex and category. Methodology: We studied 3,121 (1,645 men and 1,476 women) adolescents from 11.0 to 18.9 years from five municipal establishments in the region of Maule, Chile. Weight, height were assessed and body mass index was calculated. A questionnaire measuring concern for school feeding was applied to adolescents. It was validated by confirmatory analysis and reliability was determined by internal consistency. Results: Factor analysis confirmed the presence of four factors (Concern about the restriction of food, concern about food consumption, concern about the way you eat and concern about body weight). Five questions with saturation under 0.39 were eliminated. The instrument was formed with 24 questions that explain 51.8% of variance. Cronbach's alpha showed values between 0.85 to 0.88. Percentiles (p15, p50 and p85) from the LMS method for assessing the concern for food by category, age and sex were built. Conclusion: The developed instrument is valid and reliable and used to assess the level of concern about the supply of school adolescents, the proposed rules would also serve education professionals to carry on prevention work with youth that demonstrate low levels of concern for food. [ABSTRACT FROM AUTHOR]