Sugar-sweetened carbonated beverage consumption and childhood/adolescent obesity: a case-control study

Autor: Maria Carmen Ochoa, Nerea Martín-Calvo, Amelia Marti, MAIRA BES-RASTROLLO, Miguel A. Martinez-Gonzalez, Ana Patiño-García, Alfredo Gea, J Alfredo Martínez Hernández
Rok vydání: 2014
Předmět:
Zdroj: Public health nutrition. 17(10)
ISSN: 1475-2727
Popis: Department of Food Sciences and Physiology, School of Pharmacy, University ofNavarra, Pamplona, SpainSubmitted 10 May 2013: Final revision received 30 September 2013: Accepted 19 December 2013AbstractObjective: To assess the association between the consumption of sugar-sweetenedcarbonated beverages (SSCB) and obesity in children and adolescents from Navarra(Spain).Design: We used a matched case–control study design. The exposure, SSCB con-sumption (1 serving: 200ml), was measured with a previously validated FFQ.Anthropometrical measuresweretakenusing standardized protocols. Theoutcome,obesity, was defined as BMI above the age- and sex-specific 97th percentileaccording to the Spanish reference charts. In the analysis we used conditionallogistic regression. Potential confounders were controlled using a multivariablemodel.Setting: Subjects were recruited in the paediatric departments of the Universidad deNavarra Clinic and the Navarra Hospital Complex, and in three primary healthcentres of Navarra. Controls were recruited when attending for a routine medicalexamination or vaccination.Subjects: One hundred and seventy-four obese children and 174 individuallysex- and age-matched controls, 52?87% boys, with a mean age of 11?6years.Exclusion criteria were dietary interventions, exposure to hormone treatment,development of secondary obesity due to endocrinopathy and serious intercurrentillness.Results: Independently of other factors, high consumption of SSCB (.4servings/week) was significantly associated with obesity (OR53?46; 95% CI 1?24, 9?62;P50?01). Besides, each additionaldaily serving of SSCB was associated with a 69%relative increase in the risk of obesity (OR51?69; 95% CI 1?04, 2?73; P50?03).Conclusions: We found a strong and significant association between SSCB con-sumption and obesity risk. Our results suggest a monotonic dose–response linearshape for this association in children and adolescents (P for trend50?02).KeywordsSoft drinksSodaChildrenObesityObesity is a chronic disease that results from an imbalanceof energy homeostasis. The mechanisms underlying thismetabolic disorder reflect complex interactions of genetic,environmental and behavioural factors. Many studies sug-gest that obesity increases the risk of many other chronicdiseases such as type 2 diabetes, metabolic syndrome orsome types of cancer, and that becoming obese earlier inlife clearly amplifies that risk. The increasing prevalence ofobesity among children and adolescents has become animportant public health problem and a priority issue forauthorities
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