This study indicates that high consumption of 100% fruit juice and total SCBs is associated with increased asthma risk in children. The positive association between consumption of 100% fruit juice and asthma is an unexpected finding that needs confirmation in future studies.
The adverse association of screen time with adiposity was partly mediated by physical activity, but not by snacking. The association of screen time with TC/HDLC ratio was almost completely mediated by adiposity. Our results may suggest that future efforts in society and public health should be directed to replace screen time with physical activity for reducing children's adiposity and cardiometabolic risk.
SUMMARYWe investigated associations of time in bed and multiple sleep quality characteristics with cardiometabolic markers in children. Data from the prevention and incidence of asthma and mite allergy study, a populationbased prospective birth-cohort study started in 1996-1997 in the Netherlands, were analysed. In total 1481 children aged 11-12 years completed a questionnaire (including questions on sleep) and underwent a medical examination. We measured body mass index, waist circumference, totaland high-density lipoprotein cholesterol, blood pressure and glycated haemoglobin. Results showed that in girls, some sleep characteristics were related to anthropometrics (body mass index, waist circumference) and cholesterol. Girls who had a long time in bed (11-12.5 h) had 0.16 lower body mass index z-score (95% confidence interval À0.31; À0.01) and 0.99 cm smaller waist circumference (95% confidence interval À2.01; À0.13) compared with girls who spent 10-10.5 h in bed. Girls who went to bed late and rose early had 0.16 mM higher total cholesterol (95% confidence interval 0.01; 0.31) and 0.08 mM higher high-density lipoprotein cholesterol (95% confidence interval 0.01; 0.14) than 'early to bed/early rise' girls. Girls with night-time awakenings had 0.14 mM higher total cholesterol (95% confidence interval 0.03; 0.25) than girls without nighttime awakenings. Girls who felt sleepy/tired ≥1 day per week had 0.10 mM lower high-density lipoprotein cholesterol (95% confidence interval À0.16; À0.04) and 0.17 mM higher total cholesterol/high-density lipoprotein cholesterol ratio (95% confidence interval 0.02; 0.32) than girls who did not feel sleepy. No associations were found for boys. Sleep characteristics were not related to blood pressure and glycated haemoglobin, and effect sizes of the associations in girls were small. Therefore, we consider it premature to propose that improved sleep could reduce cardiovascular risk during childhood. IN TROD UCTI ONStudies in adults have shown that inadequate sleep is associated with metabolic syndrome and diabetes (Van Cauter et al., 2008) and with cardiometabolic risk factors, including weight status (Cappuccio et al., 2010), cholesterol, blood pressure (BP;Bjorvatn et al., 2007) and glucose metabolism (Spiegel et al., 2005).Because cardiometabolic risk factors track from adolescence into adulthood (Camhi and Katzmarzyk,
BackgroundA healthy dietary pattern defined by international recommendations of the World Health Organisation (WHO) has been shown to reduce overall mortality risk. It is unknown whether this healthy dietary pattern is associated with overall cancer incidence.DesignIn total 35,355 men and women within the Dutch European Prospective Investigation into Cancer and Nutrition-cohort were followed for cancer occurrence. Diet was assessed through a validated food-frequency questionnaire. We computed a dietary score for all participants based on the seven WHO dietary guidelines for the prevention of chronic diseases (Healthy Diet Indicator (HDI)). We used the existing HDI score based on the 1990 WHO guidelines, and adapted it to meet with the 2002 WHO guidelines. Multivariate-adjusted Cox proportional hazards analysis was used to examine the association between adherence to the HDI and subsequent overall cancer risk.ResultsA number of 3,007 new cancers were identified during a mean follow-up of 12.7 years. Adherence to the HDI was not associated with a reduced overall cancer risk. The hazard ratio (HR) of overall cancer associated with a one-point increment of the HDI was 0.96 (95% CI 0.89–1.03) in men, and 1.00 (95% CI 0.96–1.04) in women. Adherence to the HDI was not associated with smoking-related cancer ((HR men: 0.94 (95% CI 0.84–1.04); HR women: 1.00 (95% CI 0.94–1.07)), or alcohol-related cancer ((HR men: 1.02 (95% CI 0.87–1.20); HR women: 1.03 (95% CI 0.98–1.08)).ConclusionsGreater adherence to the WHO’s Healthy Diet Indicator, a dietary pattern for prevention of chronic diseases, was not associated with reduced overall, smoking-related or alcohol-related cancer risk in men or women.
For musculoskeletal complaints (MSCs) among adults, several risk factors are known, but the most important determinant is an earlier episode of MSCs. Research has shifted to younger ages, showing a high prevalence of MSCs among children and adolescents. Our purpose was to evaluate the prevalence of MSCs among those growing up from age 11 to 14 and to explore the role of several sociodemographic, growth and development, psychosocial, and lifestyle factors. Data collected at age 11 (n = 2651) and age 14 (n = 2522) in the ongoing Dutch Prevention and Incidence of Asthma and Mite Allergy (PIAMA) birth cohort study were used. Analyses included multiple logistic regression analyses using stepwise backward selection. The 1-year prevalence of any MSCs for at least 1 month increased from 15.8% at age 11 to 24.4% at age 14, and this was also found for upper extremity complaints (from 4.7% to 7.6%), back complaints (from 2.7% to 9.3%), and lower extremity complaints (from 11.9% to 14.7%). More MSCs were found among girls, those with sports injuries, those with sleeping problems, and those with daytime tiredness, although complaints at age 11 were by far the most important factor associated with MSCs at age 14 for all pain sites. This study showed that MSC is already common at an early age and that already at age 14 the factor with the strongest association is an earlier episode of MSCs. Sleeping problems and tiredness may also play a role in the early development of MSCs, either as determinant or as a consequence.
Children with gradually developing overweight, and those with persistent overweight had unfavorable cholesterol and blood pressure levels already at age 12 years, whereas children with early transient overweight avoided these unfavorable outcomes. Our results support the hypothesis that specific overweight patterns predispose to an adverse cardiometabolic profile, which is already apparent in early adolescence before progressing to adult cardiometabolic disease.
Aims/hypothesis Despite the overlap in occurrence of cardiovascular disease (CVD) and type 2 diabetes and their risk factors, family history of these diseases has not yet been investigated simultaneously in relation to cardiometabolic markers in offspring. We examined how a family history of CVD and/or diabetes relates to cardiometabolic markers in offspring, and to what extent these diseases independently contribute to cardiometabolic markers. Methods We used data from 1,374 12-year-old children and their parents participating in a birth cohort study in the Netherlands. Family history of CVD (myocardial infarction [MI] and stroke) and diabetes were reported by the parents. Children were classified as 'no', 'moderate' or 'strong' family history, based on early/late onset of disease in parents and grandparents. Cardiometabolic markers were measured at 12 years of age: waist circumference, cholesterol, blood pressure and HbA 1c .Results Compared with those with no family history, children with a strong family history of MI and/or stroke and/or diabetes (29% of the study population) had 0.13 mmol/l higher total cholesterol (TC) (95% CI 0.03, 0.23) and 0.18 higher TC/ HDL-cholesterol (HDLC) ratio (95% CI 0.04, 0.32). A strong family history of MI or diabetes was independently associated with unfavourable cardiometabolic markers specific to those diseases. These associations remained after adjusting for BMI. Children with a moderate family history had no unfavourable cardiometabolic markers. Conclusions/interpretation One-third of the children had a strong family history of CVD and/or diabetes. These children had higher TC levels and TC/HDLC ratios than children with no family history. A strong family history of MI or diabetes was independently associated with unfavourable cardiometabolic markers specific to those diseases.
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