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Strong Association Between Time Watching Television and Blood Glucose Control in Children and Adolescents With Type 1 Diabetes

¹ Faculty of Medicine, University of Oslo, Oslo, Norway
² Department of Pediatrics, Ullevaal University Hospital, University of Oslo, Oslo, Norway
³ Diabetes Research Centre, Aker and Ullevaal University Hospitals, Oslo, Norway
⁴ Center for Medical Statistics, Ullevaal University Hospital, University of Oslo, Oslo, Norway

Address correspondence and reprint requests to Hanna Dis Margeirsdottir, Department of Pediatrics, Ullevaal University Hospital, 0407 Oslo, Norway. E-mail: h.d.margeirsdottir{at}medisin.uio.no

OBJECTIVE—To examine the relationship between blood glucose control and the time spent watching television in Norwegian children and adolescents with type 1 diabetes in a population-based study.

RESEARCH DESIGN AND METHODS—A total of 538 children and adolescents from 9 hospitals in the eastern part of Norway participated in the study; 70% of eligible subjects participated. The time spent watching television and time using a computer was recorded separately by interview together with clinical data. Mean (±SD) age was 13.1 ± 3.7 years, mean diabetes duration was 5.4 ± 3.4 years, and mean A1C was 8.6 ± 1.3% (reference range 4.1–6.4).

RESULTS—Sixty-two patients (11%) watched television <1 h daily (mean A1C 8.2 ± 0.9%), 189 patients (35%) watched television between 1 and 2 h daily (8.4 ± 1.2%), 166 patients (31%) watched television 2–3 h daily (8.7 ± 1.4%), 75 patients (14%) watched television 3–4 h daily (8.8 ± 1.2%), and 46 patients (9%) watched television 4 h daily (9.5 ± 1.6%). This trend was highly significant (P < 0.001). The association between television viewing and A1C remained significant, even after adjusting for age and BMI and insulin dose. No correlation between A1C and the use of a personal computer was observed.

CONCLUSIONS—Extensive television watching is associated with poor blood glucose control in children and adolescents with type 1 diabetes.

Abbreviations: CVD, cardiovascular disease

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