Journal
NUTRITION METABOLISM AND CARDIOVASCULAR DISEASES
Volume 28, Issue 7, Pages 765-774Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.numecd.2018.04.012
Keywords
Sedentary lifestyle; Diet; Smoking; Binge drinking; Adiposity
Funding
- Funding Authority for Studies and Projects (FINEP) [01090421]
- Brazilian National Counsel of Technological and Scientific Development (CNPq) [565037/2010-2, 405009/2012-7, 457050/2013-6]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [99999.009556/2014-01]
- CNPq
- Norwegian Research Council [249932/F20]
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Background and Aims: Physical inactivity, unhealthy diet, smoking and heavy drinking are four key unhealthy lifestyle behaviors (ULB) that may influence body weight and obesity development. More recently, sedentary time has been recognized as another potentially emerging ULB related to obesity. We therefore investigated the association of multiple ULB with overweight/obesity and abdominal obesity among Brazilian adolescents. Methods and Results: This cross-sectional study involved 62,063 students (12-17 years). Physical inactivity, high screen time, low fiber intake, binge drinking and smoking were self-reported and combined to a ULB risk score, ranging from zero to five. Participants were classified as overweight/obese or with abdominal obesity using sex and age-specific cut-off points for BMI and waist circumference, respectively. Poisson regression models were used to examine the associations between ULB with overweight/obesity and abdominal obesity, adjusted for socio-demographic variables. Overall, 2.3%, 18.9%, 43.9%, 32.3% and 2.6% of participants reported zero, one, two, three and four/five ULB, respectively. Higher ULB risk score was associated with overweight/obesity and abdominal obesity in a dose-response gradient. Among 32 possible combinations of ULB, the three most prevalent combinations (physical inactivity thorn low fiber intake; high screen time thorn low fiber intake; physical inactivity thorn high screen time thorn low fiber intake) were positively associated with general and abdominal obesity. Conclusions: Our findings suggest a synergistic relationship between ULB and general and abdominal obesity. Preventive efforts targeting combined ULB should be sought to reduce the prevalence of general and abdominal obesity in Brazilian youth. (C) 2018 The Italian Society of Diabetology, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition, and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved.
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