Physical activity but not sedentary time is associated with vitamin D status in adolescents: study of cardiovascular risk in adolescents (ERICA).
Eur J Clin Nutr
; 73(3): 432-440, 2019 03.
Article
en En
| MEDLINE
| ID: mdl-29789711
ABSTRACT
BACKGROUND/OBJECTIVES:
The association between active lifestyle components and vitamin D status in adolescents remains relatively unexplored. We aimed to investigate independent and joint associations of moderate-to-vigorous physical activity (MVPA) and screen time with serum 25-hydroxyvitamin D [25(OH)D] concentrations in adolescents.METHODS:
This multicenter cross-sectional study involved 1152 Brazilian adolescents (age 12-17 years). Serum 25(OH)D was measured in a single laboratory and categorized as ≤20, 21-29, or ≥30 ng/mL. Demographic and lifestyle characteristics were assessed by self-reports. Ordered logistic regression was used to investigate potential associations of being physically active (MVPA ≥ 300 min/week) and excessive screen time (>2 h/day) with serum 25(OH)D concentrations.RESULTS:
The prevalence of higher serum 25(OH)D concentrations (≥30 ng/mL) was 36.4%. In adjusted models, being physically active was associated with higher serum 25(OH)D concentrations only in boys [proportional odds ratio (POR) = 2.04, 95% CI 1.42-2.93], while excessive screen time was not associated with serum 25(OH)D. Adolescents who were physically active and limited their screen time had higher odds of a higher serum 25(OH)D concentration, but the association was significant only for boys (POR = 2.11, 95% CI 1.19-3.74).CONCLUSIONS:
MVPA may play an important role in increasing serum 25(OH)D concentrations in adolescence, especially for boys, regardless of screen time.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Vitamina D
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Deficiencia de Vitamina D
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Vitaminas
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Enfermedades Cardiovasculares
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Ejercicio Físico
/
Conducta Sedentaria
Tipo de estudio:
Clinical_trials
/
Etiology_studies
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Observational_studies
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Prevalence_studies
/
Prognostic_studies
/
Risk_factors_studies
Límite:
Adolescent
/
Child
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Female
/
Humans
/
Male
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Eur J Clin Nutr
Asunto de la revista:
CIENCIAS DA NUTRICAO
Año:
2019
Tipo del documento:
Article
País de afiliación:
Brasil