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【正文】 revent obesity: A randomized controlled trial. T. Robinson JAMA 282:15611567 (1999) Reducing children?s television viewing to prevent obesity: A randomized controlled trial. ? Many observational studies have found associations between television viewing and child/adolescent adiposity. ? Reviewed in AAP?s Policy Statement ? Pediatrics 112:424430 (2022) ? 25% children watch 4hrs TV/day ? BMI of children who watch 4hrs per day significantly greater than those watching 2hrs per day ? TV in child?s bedroom significant predictor of overweight Reducing children?s television viewing to prevent obesity: A randomized controlled trial. ? 192 3rd amp。 295: 15491555 Prevalence of Overweight and Obesity Among US Children, Adolescents, and Adults, 19992022 (20222022) ? NHANES ? 19992022 ? N=4115 adults ? N=4018 children ? 20222022 ? N=4390 adults ? N=4258 children ? Adult prevalence ? % overweight or obese (%) ? % obese (%) ? % extreme obese (BMI40) (%) Prevalence of Overweight and Obesity Among US Children, Adolescents, and Adults, 19992022 20222022 ? Children 619 yrs ? 31% at risk for overweight or overweight ? 611: % 1219: % ? 16% overweight ? At risk for overweight or overweight ? by age ? 25 = % (%) ? 611 = % (%) ? 1219 = % (%) Prevalence of Overweight and Obesity Among US Children, Adolescents, and Adults, 19992022 20222022 ? At risk for overweight or overweight ? by gender ? Boys = % (%) ? Girls = % (%) ? At risk for overweight or overweight ? By ethnicity ? White = % (%b, 27%g) ? %, %b, %g ? Black = % (31%b, 40%g) ? %, %b, %g ? MexicanAmerican = % (%b, %g) ? %, %b, %g Type 2 Diabetes in the Young The evolving epidemic (review article) Z. Bloomgarden Diabetes Care 2022 (Apr)。 291: 28472850 C. Ogden et al. JAMA 2022。 Metabolic Characteristics Nonobese Overweight Moderate Obese Severe Obese HDLC Mg/dl,.001 LDLC Mg/dl, p=.41 Systolic BP mmHg,.001 106 116 121 124 IGT %, .01 0 CRP Mg/dl, .001 .01 .05 .13 .33 Obesity and the Metabolic Syndrome in Children and Adolescents Prevalence ? Overall ? % in moderately obese ? % in severely obese ? 39% in severely obese blacks ? “…metabolic syndrome is far more mon among children and adolescents than previously reported…prevalence increases directly with the degree of obesity.” ? Prevalence of metabolic syndrome increases with degree of insulin resistance HealthRelated Quality of Life of Severely Obese Children and Adolescents J. Schwimmer et al JAMA 289:18131819 (Apr 9, 2022) HealthRelated Quality of Life of Severely Obese Children and Adolescents ? Healthrelated QOL ? Physical functioning ? Emotional functioning ? Social functioning ? School functioning ? 106 children
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