Background: Helicobacter pylori (Hp) infection is associated with several upper gastrointestinal disorders. Local data on the epidemiology of the infection are scarce in Brazil. The purpose of this study is to measure the prevalence rate and to explore the associated factors among the adult population living in Pelotas, a southern Brazilin city.
ObjectiveTo investigate whether short sleep duration from the first year of life influenced weight at an early age.Study designDuring 2004, children born in Pelotas, Brazil, were enrolled in a cohort study. Sleeping habits during the previous 2 weeks were assessed, and the children were weighed and measured at 1-, 2-, and 4-year follow-ups. Overweight and obesity at 4 years were defined according to World Health Organization z-scores for body mass index for age. Short sleep duration was defined as fewer than 10 hours of sleep per night at any follow-up.ResultsOut of the 4263 live births, 4231 were recruited. The prevalence of short sleep duration at any follow-up from 1-4 years of age was 10.1%. At 4 years of age, 201 children were obese (5.3%), and 302 (8%) were overweight. Among short sleepers, the prevalence ratio for overweight/obesity after adjusting for maternal and children's characteristics was 1.32 (1.03; 1.70).ConclusionsChildren who slept for fewer than 10 hours per night at any follow-up from 1-4 years of age were more likely to be overweight or obese at 4 years of age, despite their sociodemographic and sleep characteristics.
Although behavioral approaches to pediatric sleep hygiene are easy to apply and adhere to, there have been very few studies evaluating the effectiveness of the available techniques. This review demonstrated that these methods are effective in providing sleep hygiene for children, thus reflecting on parents' improved quality of life. It is of utmost importance that pediatricians and family physicians are aware of such methods in order to adequately advise patients and their families.
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