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Factors Associated With Screen Time in Iranian Children and Adolescents: The Caspian-Iv Study Publisher



Mozafarian N1 ; Motlagh ME2, 3 ; Heshmat R4 ; Karimi S1 ; Mansourian M5, 6 ; Mohebpour F1 ; Qorbani M7, 8 ; Kelishadi R1
Authors
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Authors Affiliations
  1. 1. Child Growth and Development Research Center, Research Institute for Primordial Prevention of Noncommunicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Bureau of Family, Population, Youth and School Health, Ministry of Health and Medical Education, Tehran, Iran
  3. 3. Department of Pediatrics, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  4. 4. Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Health Education and Promotion, Iran University of Medical Sciences, Tehran, Iran
  7. 7. Non-communicable Diseases Research Center, Alborz University of Medical Science, Karaj, Iran
  8. 8. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: International Journal of Preventive Medicine Published:2017


Abstract

Background: Prolonged screen time is frequent in children and adolescents. Implementing interventions to reduce physical inactivity needs to assess related determinants. This study aims to assess factors associated with screen time in a national sample of children and adolescents. Methods: This nationwide study was conducted among 14,880 students aged 6–18 years. Data collection was performed using questionnaires and physical examination. The World Health Organization-Global School Health Survey questionnaire was used. Logistic regression analysis was used to examine the relationship between demographic variables, socioeconomic status (SES), family structure, physical activity, unhealthy eating habits, body mass index, and mental distress with screen time. Results: The participation rate was 90.6% (n = 13,486), 50.8% were male, and 75.6% lived in urban areas. Mean (standard deviation) age of participants was 12.47 (3.36) years. The SES, eating junk foods, urban residence, and age had significant association with screen time, watching television (TV), and computer use (P < 0.05). With increasing number of children, the odds ratio of watching TV reduced (P < 0.001). Statistically, significant association existed between obesity and increased time spent watching TV (P < 0.001). Girls spent less likely to use computer and to have prolonged screen time (P < 0.001). Participants in the sense of worthlessness were less likely to watch TV (P = 0.005). Screen time, watching TV, and using computer were higher in students with aggressive behaviors (P < 0.001); screen time was higher in those with insomnia. Conclusions: In this study, higher SES, unhealthy food habits, and living in urban areas, as well as aggressive behaviors and insomnia increased the risk of physical inactivity. © 2017 International Journal of Preventive Medicine.
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