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Childhood obesity prevention cluster randomized trial for Hispanic families: outcomes of the healthy families study.
Hull PC, Buchowski M, Canedo JR, Beech BM, Du L, Koyama T, Zoorob R
(2018) Pediatr Obes 13: 686-696
MeSH Terms: Adult, Body Mass Index, Child, Child, Preschool, Emigrants and Immigrants, Exercise, Family, Female, Follow-Up Studies, Health Promotion, Healthy Lifestyle, Hispanic Americans, Humans, Male, Pediatric Obesity, Program Evaluation, Tennessee, Weight Gain
Show Abstract · Added February 21, 2017
BACKGROUND - Obesity prevalence is disproportionately high among Hispanic children.
OBJECTIVES - The Healthy Families Study assessed the efficacy of a culturally targeted, family-based weight gain prevention intervention for Hispanic immigrant families with children ages 5-7 years.
METHODS - The study used a two-group, cluster randomized trial design, assigning 136 families (clusters) to the active intervention (weight gain prevention) and 136 families to attention control (oral health). The active intervention included a 4-month intensive phase (eight classes) and an 8-month reinforcement phase (monthly mail/telephone contact). Children's body mass index z-score (BMI-Z) was the primary outcome.
RESULTS - The BMI-Z growth rate of the active intervention group did not differ from the attention control group at short-term follow-up (median 6 months; 168 families, 206 children) or long-term follow-up (median 16 months; 142 families, 169 children). Dose response analyses indicated a slower increase in BMI-Z at short term among overweight/obese children who attended more intervention classes. Moderate physical activity on weekends increased at short term. Weekend screen time decreased at short term among those attending at least one class session.
CONCLUSION - Low class attendance likely impacted intention-to-treat results. Future interventions targeting this population should test innovative strategies to maximize intervention engagement to produce and sustain effects on weight gain prevention.
© 2016 World Obesity Federation.
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1 Members
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18 MeSH Terms
Developing an Algorithm to Detect Early Childhood Obesity in Two Tertiary Pediatric Medical Centers.
Lingren T, Thaker V, Brady C, Namjou B, Kennebeck S, Bickel J, Patibandla N, Ni Y, Van Driest SL, Chen L, Roach A, Cobb B, Kirby J, Denny J, Bailey-Davis L, Williams MS, Marsolo K, Solti I, Holm IA, Harley J, Kohane IS, Savova G, Crimmins N
(2016) Appl Clin Inform 7: 693-706
MeSH Terms: Child, Child, Preschool, Comorbidity, Early Diagnosis, Female, Humans, Infant, Machine Learning, Male, Pediatric Obesity, Tertiary Healthcare
Show Abstract · Added April 11, 2017
OBJECTIVE - The objective of this study is to develop an algorithm to accurately identify children with severe early onset childhood obesity (ages 1-5.99 years) using structured and unstructured data from the electronic health record (EHR).
INTRODUCTION - Childhood obesity increases risk factors for cardiovascular morbidity and vascular disease. Accurate definition of a high precision phenotype through a standardize tool is critical to the success of large-scale genomic studies and validating rare monogenic variants causing severe early onset obesity.
DATA AND METHODS - Rule based and machine learning based algorithms were developed using structured and unstructured data from two EHR databases from Boston Children's Hospital (BCH) and Cincinnati Children's Hospital and Medical Center (CCHMC). Exclusion criteria including medications or comorbid diagnoses were defined. Machine learning algorithms were developed using cross-site training and testing in addition to experimenting with natural language processing features.
RESULTS - Precision was emphasized for a high fidelity cohort. The rule-based algorithm performed the best overall, 0.895 (CCHMC) and 0.770 (BCH). The best feature set for machine learning employed Unified Medical Language System (UMLS) concept unique identifiers (CUIs), ICD-9 codes, and RxNorm codes.
CONCLUSIONS - Detecting severe early childhood obesity is essential for the intervention potential in children at the highest long-term risk of developing comorbidities related to obesity and excluding patients with underlying pathological and non-syndromic causes of obesity assists in developing a high-precision cohort for genetic study. Further such phenotyping efforts inform future practical application in health care environments utilizing clinical decision support.
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1 Members
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11 MeSH Terms
Racial/ethnic and Weight Status Differences in Food Preparation among WIC Participants.
Emerson JS, Towns DR, Jones JL, Cain VA, Hull PC
(2015) J Health Care Poor Underserved 26: 335-44
MeSH Terms: Adult, African Americans, Body Mass Index, Child, Child, Preschool, Dietary Fats, European Continental Ancestry Group, Feeding Behavior, Female, Food Assistance, Hispanic Americans, Humans, Interviews as Topic, Male, Middle Aged, Mothers, Nutrition Surveys, Overweight, Pediatric Obesity, Tennessee
Show Abstract · Added February 21, 2017
The main purpose of this study was to examine whether the Supplemental Nutrition Program for Women, Infants and Children (WIC) helped mothers of overweight/obese preschool children to cut down on dietary fat and sugar intake for their families. Data from the Children Eating Well for Health (CHEW) Nutrition Survey, a probability sample of 150 (50 each White, Black and Hispanic) families with preschoolers participating in the WIC program in Nashville/Davidson County, Tennessee, were analyzed using logistic regression modeling. Mothers who reported that the WIC program helped them reduce fat intake were 2.5 times more likely to have an overweight/obese child and 2.1 times more likely to be obese themselves. No significant effects were found for adding sugar. These results suggest that the mothers in this sample were applying WIC nutritional counseling to use food preparation techniques that cut down on added fats for themselves and their children who were at risk due to weight status.
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1 Members
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20 MeSH Terms
Insulin resistance is not associated with thermogenic effect of a high-fat meal in obese children.
Chan J, Lomenick JP, Buchowski MS, Shoemaker AH
(2014) Nutr Res 34: 486-90
MeSH Terms: Absorptiometry, Photon, Adolescent, Blood Glucose, Body Composition, Body Mass Index, Calorimetry, Indirect, Child, Diet, High-Fat, Energy Intake, Energy Metabolism, Female, Glycated Hemoglobin A, Humans, Insulin, Insulin Resistance, Linear Models, Male, Meals, Pediatric Obesity, Weight Gain
Show Abstract · Added January 20, 2015
In adults, insulin resistance may decrease the thermogenic effect of food, contributing to weight gain. We aimed to determine the effect of insulin resistance on energy expenditure in children with long-standing obesity. We hypothesized that thermogenic effect of food would decrease with increasing insulin resistance. Energy expenditure was measured using whole room indirect calorimetry in obese children 7 to 18 years old. Participants were fed a high-fat meal with energy content equal to 35% of measured resting energy expenditure. Thermogenic effect of food was measured for 180 minutes posttest meal and expressed as a percent of calories consumed. Body composition was assessed using whole-body dual-energy x-ray absorptiometry. Fasting glucose, insulin, and hemoglobin A1C were measured. Complete data were available for 25 children (median age, 12.1 years; 52% male). As expected, a significant decrease in resting energy expenditure was observed with increasing Tanner stage (P = .02 by Kruskal-Wallis test). Insulin sensitivity, as determined by homeostasis model assessment index equation, did not significantly affect resting energy expenditure (P = .3) or thermogenic effect of food (P = .7) after adjustment for Tanner stage. In conclusion, our study did not find an association between insulin resistance and energy expenditure in obese children.
Copyright © 2014 Elsevier Inc. All rights reserved.
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2 Members
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20 MeSH Terms
Healthy families study: design of a childhood obesity prevention trial for Hispanic families.
Zoorob R, Buchowski MS, Beech BM, Canedo JR, Chandrasekhar R, Akohoue S, Hull PC
(2013) Contemp Clin Trials 35: 108-21
MeSH Terms: Behavior Therapy, Body Mass Index, Child, Community-Based Participatory Research, Diet, Exercise, Family, Family Health, Female, Health Promotion, Hispanic Americans, Humans, Male, Pediatric Obesity, Treatment Outcome, United States, Waist Circumference
Show Abstract · Added December 10, 2013
BACKGROUND - The childhood obesity epidemic disproportionately affects Hispanics. This paper reports on the design of the ongoing Healthy Families Study, a randomized controlled trial testing the efficacy of a community-based, behavioral family intervention to prevent excessive weight gain in Hispanic children using a community-based participatory research approach.
METHODS - The study will enroll 272 Hispanic families with children ages 5-7 residing in greater Nashville, Tennessee, United States. Families are randomized to the active weight gain prevention intervention or an alternative intervention focused on oral health. Lay community health promoters implement the interventions primarily in Spanish in a community center. The active intervention was adapted from the We Can! parent program to be culturally-targeted for Hispanic families and for younger children. This 12-month intervention promotes healthy eating behaviors, increased physical activity, and decreased sedentary behavior, with an emphasis on parental modeling and experiential learning for children. Families attend eight bi-monthly group sessions during four months then receive information and/or support by phone or mail each month for eight months. The primary outcome is change in children's body mass index. Secondary outcomes are changes in children's waist circumference, dietary behaviors, preferences for fruits and vegetables, physical activity, and screen time.
RESULTS - Enrollment and data collection are in progress.
CONCLUSION - This study will contribute valuable evidence on efficacy of a childhood obesity prevention intervention targeting Hispanic families with implications for reducing disparities.
Copyright © 2013 Elsevier Inc. All rights reserved.
0 Communities
2 Members
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17 MeSH Terms
Energy expenditure in obese children with pseudohypoparathyroidism type 1a.
Shoemaker AH, Lomenick JP, Saville BR, Wang W, Buchowski MS, Cone RD
(2013) Int J Obes (Lond) 37: 1147-53
MeSH Terms: Absorptiometry, Photon, Adolescent, Age of Onset, Basal Metabolism, Blood Glucose, Body Composition, Calorimetry, Indirect, Child, Disease Susceptibility, Energy Metabolism, Female, Glycated Hemoglobin A, Humans, Insulin, Pediatric Obesity, Phenotype, Polymorphism, Single Nucleotide, Postprandial Period, Pseudohypoparathyroidism, Rest, Thermogenesis, United States, Weight Gain
Show Abstract · Added December 10, 2013
CONTEXT - Patients with pseudohypoparathyroidism type 1a (PHP-1a) develop early-onset obesity. The abnormality in energy expenditure and/or energy intake responsible for this weight gain is unknown.
OBJECTIVE - The aim of this study was to evaluate energy expenditure in children with PHP-1a compared with obese controls.
PATIENTS - We studied 6 obese females with PHP-1a and 17 obese female controls. Patients were recruited from a single academic center.
MEASUREMENTS - Resting energy expenditure (REE) and thermogenic effect of a high fat meal were measured using whole room indirect calorimetry. Body composition was assessed using whole body dual energy x-ray absorptiometry. Fasting glucose, insulin, and hemoglobin A1C were measured.
RESULTS - Children with PHP-1a had decreased REE compared with obese controls (P<0.01). After adjustment for fat-free mass, the PHP-1a group's REE was 346.4 kcals day(-1) less than obese controls (95% CI (-585.5--106.9), P<0.01). The thermogenic effect of food (TEF), expressed as percent increase in postprandial energy expenditure over REE, was lower in PHP-1a patients than obese controls, but did not reach statistical significance (absolute reduction of 5.9%, 95% CI (-12.2-0.3%), P=0.06).
CONCLUSIONS - Our data indicate that children with PHP-1a have decreased REE compared with the obese controls, and that may contribute to the development of obesity in these children. These patients may also have abnormal diet-induced thermogenesis in response to a high-fat meal. Understanding the causes of obesity in PHP-1a may allow for targeted nutritional or pharmacologic treatments in the future.
0 Communities
3 Members
1 Resources
23 MeSH Terms