Sleep duration and body mass index in 0–7-year olds

Objectives To determine in children aged 0–7 years (1) cross-sectional relationships between body mass index (BMI) and sleep duration, and whether (2) sleep duration predicts later BMI and/or (3) BMI predicts later sleep duration. Design Longitudinal Study of Australian Children, Waves 1 and 2. Part...

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Bibliographic Details
Published in:Archives of disease in childhood 2011-08, Vol.96 (8), p.735-739
Main Authors: Hiscock, Harriet, Scalzo, Katherine, Canterford, Louise, Wake, Melissa
Format: Article
Language:English
Subjects:
Anthropometry - methods
Australia - epidemiology
Babies
Biological and medical sciences
Body Composition
Body Mass Index
Child
Child, Preschool
Children & youth
Data collection
Diaries
Epidemiologic Methods
Exercise
Female
General aspects
Grade 6
Humans
Infant
Infant, Newborn
Infants
Longitudinal studies
Male
Medical sciences
Miscellaneous
Obesity
Obesity - epidemiology
Obesity - etiology
Obesity - physiopathology
Overweight
Overweight - epidemiology
Overweight - etiology
Overweight - physiopathology
Pandemics
Preschool Children
Prevention and actions
Primary care
Public health. Hygiene
Public health. Hygiene-occupational medicine
Sleep
Sleep - physiology
Sleep Wake Disorders - complications
Sleep Wake Disorders - epidemiology
Sleep Wake Disorders - physiopathology
Standard scores
Time Factors
Variance analysis
Young Children
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Summary:Objectives To determine in children aged 0–7 years (1) cross-sectional relationships between body mass index (BMI) and sleep duration, and whether (2) sleep duration predicts later BMI and/or (3) BMI predicts later sleep duration. Design Longitudinal Study of Australian Children, Waves 1 and 2. Participants Infants aged 0–1 years (Wave 1), followed at age 2–3 years (Wave 2); children aged 4–5 years (Wave 1), followed at age 6–7 years (Wave 2). Main outcome measures BMI, sleep duration by time-use diary, parent-reported sleep problems (none/mild vs moderate/severe). Analyses: Cross-sectional, ANOVA (sleep duration) and χ2 (sleep problems); longitudinal, linear regression. Results 3857 (76%) infants and 3844 (77%) children had BMI and sleep data. At every wave, approximately 15% and 5% of children were overweight and obese, respectively. Obesity was not associated with sleep duration at 0–1, 2–3 or 4–5 years, though obese 6–7-year olds slept approximately 30 min less (p
ISSN:0003-9888
1468-2044
DOI:10.1136/adc.2010.204925