Cent Eur J Public Health 2020, 28(4):260-266 | DOI: 10.21101/cejph.a6097

Screen time and its effect on dietary habits and lifestyle among schoolchildren

Konstantinos D. Tambalis1, Demosthenes B. Panagiotakos1, Glykeria Psarra1, Labros S. Sidossis1,2
1 Department of Nutrition and Dietetics, Harokopio University, Athens, Greece
2 Department of Kinesiology and Health, Rutgers University, New Brunswick, New Jersey, USA

Objective: The aim of the study was to determine the associations between recreational screen time and dietary habits and lifestyle factors in a representative sample of schoolchildren.

Methods: Observational, cross-sectional study data were derived from 177,091 children aged 8 to 17 years participating in a health survey. Recreational screen time, physical activity (PA), and sleeping hours were assessed through self-completed questionnaires. Dietary habits were evaluated via the Mediterranean Diet Quality Index for children and adolescents (KIDMED) test. Anthropometric and physical fitness (PF) estimations were obtained by trained investigators.

Results: Binary logistic regression comparisons between screen time levels (e.g. < 2 vs. ≥ 2 - < 3 h/d, < 2 vs. ≥ 3 - < 4 h/d and < 2 vs. ≥ 4 h/d) and dietary habits showed that the longer the screen time the increased the odds of unhealthy dietary habits such as skipping breakfast, consuming fast food frequently, and eating sweets frequently, and the decreased the odds of healthy dietary habits such as consuming a second fruit every day, consuming fresh or cooked vegetables or/and fish regularly, in both genders, after adjusting for several covariates. Furthermore, the longer the screen time the increased the odds of total and central obesity, insufficient sleep (< 8-9 h/d), and inadequate PA, and the decreased the odds of healthy PF.

Conclusions: The longer the screen time the unhealthier dietary habits and lifestyle profile among schoolchildren, after adjusting for several covariates.

Klíčová slova: children, adolescents, Mediterranean diet, screen time

Vloženo: 5. leden 2020; Revidováno: 22. říjen 2020; Přijato: 22. říjen 2020; Zveřejněno: 18. prosinec 2020  Zobrazit citaci

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Tambalis KD, Panagiotakos DB, Psarra G, Sidossis LS. Screen time and its effect on dietary habits and lifestyle among schoolchildren. Cent Eur J Public Health. 2020;28(4):260-266. doi: 10.21101/cejph.a6097. PubMed PMID: 33338361.
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