Do Childhood Sleeping Problems Predict Obesity in Young Adulthood? Evidence from a Prospective Birth Cohort Study

School of Population Health, University of Queensland, Brisbane, Queensland, Australia.
American journal of epidemiology (Impact Factor: 5.23). 01/2008; 166(12):1368-73. DOI: 10.1093/aje/kwm224
Source: PubMed

ABSTRACT It has been suggested that sleeping problems are causally associated with obesity in early life, but most studies examining this association have been cross-sectional. The authors used a population-based birth cohort of 2,494 children who were born between 1981 and 1983 in Brisbane, Australia, to examine the prospective association between early-life sleeping problems (at ages 6 months and 2-4 years) and obesity at age 21 years. The authors compared mean body mass indices (BMIs; weight (kg)/height (m)2) and persons in the categories of overweight (BMI 25.0-29.9) and obesity (BMI > or =30) among offspring at age 21 years according to maternally reported childhood sleeping problems. They found that young adult BMI and the prevalence of obesity were greater in offspring who had had sleeping problems at ages 2-4 years than in with those who had not had sleeping problems. These associations were robust to adjustment for a variety of potential confounders, including offspring sex, maternal mental health, and BMI, and several mediators, including adolescent dietary patterns and television-watching. These findings provide some evidence for a long-term impact of childhood sleeping problems on the later development of obesity.

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Available from: Jackob M. Najman, Sep 16, 2014
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    • "Furthermore, increasing epidemiological evidence indicates that sleep curtailment appears to be a potentially important risk factor for the development of obesity in children and adolescents (Al-Hazzaa et al., 2012; Chen et al., 2008; Gupta et al., 2002; Hitze et al., 2009; Marshall et al., 2008; Sekine et al., 2002; Yu et al., 2007). In addition, evidence also points to the long-term impact of childhood sleeping problems on later development of obesity (Al Mamun et al., 2007). "
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    ABSTRACT: Abstract Background: Numerous studies have shown significant associations between short sleep duration and overall or abdominal obesity. However, no study has reported on the joint association of body mass index (BMI) and waist-to-height ratio (WHtR) with sleep duration in adolescents. Aim: To examine the joint associations of BMI and WHtR with sleep duration among Saudi adolescents. Subjects and methods: A school-based cross-sectional study was conducted involving 2852 secondary-school students (51.7% females) aged 15-19 years, randomly selected using a multistage stratified cluster sampling. Self-reported sleep duration was assessed and BMI was classified into high and low categories according to the IOTF classification, whereas WHtR categories were based on above and below 0.5. Results: The low BMI-low WHtR category had the longest mean sleep duration (7.27 hours/day), whereas the high BMI-high WHtR group had the shortest sleep duration (7.02 hours/day; p = 0.003) (aOR = 0.832, 95% CI = 0.698-0.992, p = 0.040). In addition, high BMI-low WHtR or low BMI-high WHtR groups didn't significantly associate with reduced sleep duration among adolescents. Conclusion: The joint association of high BMI-high WHtR increases adolescent's risk of having reduced sleep duration. Future research should seek to confirm such findings and provide an explanation for this association.
    Annals of Human Biology 10/2013; 41(2). DOI:10.3109/03014460.2013.833291 · 1.27 Impact Factor
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    • "Changes in health habits, with respect to diet and physical activity, are thought to be the major cause of overweight and obesity (Barlow & the Expert Committee, 2007; Finnish Medical Society Duodecim & Academy of Finland, 2005). Also, short sleep duration is possibly associated with increased childhood obesity (Al Mamun et al., 2007). Habits related to diet and physical activity are adopted early in childhood (Ritchie, Welk, Styne, Gerstein, & Crawford, 2005), and are very challenging to modify later in life. "
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    • "Indeed, several recent studies including systematic reviews have indicated that short sleep duration has evolved as a significant determinant of overweight and obesity.[7–14] Moreover, there is even evidence for the long-term impact of childhood sleeping problems on later development of obesity.[15] "
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    ABSTRACT: Adequate sleep has been considered important for the adolescent's health and well being. On the other hand, self-imposed sleep curtailment is now recognized as a potentially important and novel risk factor for obesity. The present study aimed to assess the prevalence of short sleep duration and its association with obesity among Saudi adolescents. This is a school-based cross-sectional study with self-reported sleep questionnaires. It was conducted during the years 2009/2010 in three cities in Saudi Arabia; Al-Khobar, Jeddah, and Riyadh. Participants were 2868 secondary-school males (1379) and females (1389) aged 15 to 19 years, randomly selected using a multistage stratified sampling technique. Measurements included weight, height, waist circumference, BMI, and sleeping duration. Logistic regression analysis while adjusted for age, gender, and location was used to examine the associations between sleep duration and obesity measures. The mean (SD) of sleep duration was 7.2 (1.6) hours/day with no significant differences between males and females. About 31% of the participants obtain less than 7 hours of sleep per day, while approximately 50% of the sample gets less than 8 hours of daily sleep. Two-way ANCOVA results while controlling for the effect of age revealed a significant gender by school-type interaction (P<0.001). In addition, adequate sleep duration increased the odds of having normal weight (adjusted odds ratios = 1.28, 95% CI = 1.08-1.50, P = 0.003). The present study observed a high prevalence of short sleep duration among Saudi adolescents 15- to 19-year olds and that short sleep duration was significantly associated with increased risk of overweight and obesity. Future interventions should investigate whether adopting a healthy lifestyle by adolescents with short sleep duration would improve their sleeping habits or not.
    07/2012; 7(3):133-9. DOI:10.4103/1817-1737.98845
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