Consumo de cálcio por adolescentes de escolas públicas (municipais e estaduais) e privadas do município de Chapecó-SC / Calcium consumption by adolescent from public and private schools from Chapecó city

AUTOR(ES)

Cristiane Franco de Oliveira

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

2012

RESUMO

Bone mineral density in adulthood, an important component of bone strength depends on peak bone mass acquired by the end of the second decade of life. About 40% of bone mass is accumulated between 11 and 14 years in girls and between 13 and 17 years in boys. The main objective of this study was to evaluate the average daily intake of calcium in adolescents from public schools (state and local) and private Chapecó-SC. Other objectives were to determine whether the calcium intake of adolescents was in accordance with the guidelines of reference intakes (DRIs), investigating factors that might interfere with daily calcium intake (socioeconomic factors, different dietary habits, family habits, practice physical activity), compare the daily calcium intake among students in public schools (state and local) and private schools. We evaluated 214 students, with a mean age of 14.3 ± 1.0 years, of which 58% were female. Most students studying in public school or state (95%) and in the morning (76%). Of all students, 49.3% said eating breakfast daily, 20% reported almost never do so and 30.7% did not have this habit. The median daily calcium intake was 540mg per student (IQ: 312 - 829 mg) and only 25 students (11.7%) had calcium intake within the recommendations of the DRIs for age. Most parents and siblings regularly consumed milk (77%, 79% and 87% respectively). As for the regular consumption of foods that could be associated with the absorption of calcium, except for milk and dairy products, 41% reported consuming soft drinks, 79.4% reported eating meat, eggs consumed 10.6% and 39.7% had the habit of drinking tea or coffee. We conclude that calcium intake of adolescent Chapecó is less than the daily requirement of calcium for sex and age groups, a finding also evident in other municipalities. Therefore, measures should be taken to change this habit, increasing intake of foods rich in calcium, especially in school.

ASSUNTO(S)

cálcio na dieta calcium intake vitamina d vitamin d osteoporosis adolescente no transmissible chronic disease osteoporose schooling chapecó (sc)

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