Background-Conducting longitudinal research studies with low-income and/or minority participants present a unique set of challenges and opportunities.Purpose-To outline the specific strategies employed to successfully recruit and retain participants in a longitudinal study of nutritional anticipatory guidance during early childhood, conducted with a low-income, ethnically diverse, urban population of mothers. Publisher's Disclaimer: This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final citable form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. reporting, emphasis on participant convenience, incentives, frequent contact with participants, expanded budget, clinical staff buy-in, a dedicated phone line, and the use of research project branding and logos. Methods-We NIH Public AccessResults-Barriers to enrollment were not encountered in this project, despite recruiting from a low-income population with a large proportion of African-American families. Process evaluation with clinic staff demonstrated the perception of the MOMS staff was very positive Participant retention rate was 75% and 64% at 6 months and 12 months post-recruitment, respectively. We attribute retention success largely to a coordinated effort between the research team and the infrastructure support at the clinical sites, as well as project branding and a dedicated phone line.Conclusions-Successful participant recruitment and retention approaches need to be specific and consistent with clinical staff buy in throughout the project.
Epidemiological studies first demonstrated the association between obesity and asthma and they have begun to provide additional evidence to support causality: a doseeffect relationship, consistency across studies (especially among women) and the correct temporal order (ie, obesity before asthma). To date, relatively few studies have addressed reversibility, an important but less frequently demonstrated epidemiological criterion of causality. Reversibility suggests that if excessive weight is a risk factor for asthma, then reducing body weight should decrease the prevalence of asthma, or at least decrease asthma related symptoms or health care utilisation. We performed a systematic review on weight loss and asthma, based on searches
Childhood obesity is a serious and urgent public health problem. In the last 10 years, there has been a concerted effort in the USA and globally to develop and implement educational, medical and public health interventions designed to attenuate its growth. The success of these efforts was probably responsible for the plateau in the prevalence rate of childhood obesity noted in the last two years. While the attenuation of the overall prevalence of childhood obesity is promising, data from the same cohort reveal a concerning upward trend in the number of children with severe obesity. The consequences of severe childhood obesity can be devastating. When compared to their moderately obese peers, children with severe obesity are at greater risk for adult obesity, early atherosclerosis, hypertension, type 2 diabetes, metabolic syndrome, fatty liver disease and premature death. The determinants for severe obesity include the same lifestyle, environmental, familial and societal risk factors reported for overweight or obesity. While all these risk factors must be screened for, genetic influences are distinct considerations that may have greater bearing especially with early-onset obesity. Treatments for severe childhood obesity include lifestyle intervention, specialised low-calorie diets and bariatric surgery. Outcomes of these treatments vary, with bariatric surgery clearly the most successful of the three for both short-term and long-term weight loss. Severe obesity in children and adolescents remains a challenging health condition. The enormous medical, emotional and financial burden these children and their families endure signals an urgent need to further investigate and standardise treatment modalities and improve outcomes.
Pediatric tertiary care institutions are well positioned to provide multidisciplinary, intensive interventions for pediatric obesity known as stage 3 treatment. One contributor to the difficulty in administering this treatment is the high rate of patient attrition. Little is known about the practices used by pediatric weight-management clinics and groupbased programs to minimize attrition. Hospital members and nonmembers of FOCUS on a Fitter Future were surveyed on the methods used to engage and retain obese children in their clinics and programs. Shortly thereafter, a benchmarking activity that centered on rates of patient nonattendance at initial and follow-up clinic visits was initiated among FOCUS-group-participating hospitals. Clinic-and group-based program results were contrasted. Staff from groupbased programs reported that the majority of patients did not complete even 50% of program follow-up visits. Multiple patient/family-and clinic/program-level barriers to retention were identified. Attention to successful techniques should be paid during planning for new programs and improvement of established ones. Pediatrics 2011;128:S59-S64
Objectives: To investigate the effect of prenatal exposure to polychlorinated biphenyls (PCBs) and dichlorodiphenyl-dichloroethylene (DDE) on weight, height and body mass index (BMI) in adult female offspring of the Michigan fisheater cohort examined between 1973 and 1991. Methods: 259 mothers from the Michigan fisheater cohort were studied. Prenatal exposure to PCBs and DDE was estimated by extrapolating maternal measurements to the time that the women gave birth. 213 daughters aged 20-50 years in 2000 were identified and 83% of them participated in at least one of two repeated investigations in 2001/02 (n = 151) and 2006/07 (n = 129). To assess the effect of prenatal PCB and DDE exposure on anthropometric measurements, generalised estimating equations nested for repeated measurements (2001/02 and 2006/07) and for sharing the same mother were used. We controlled for maternal height and BMI and for daughters' age, birth weight, having been breastfed and number of pregnancies. Results: Maternal height and BMI were significant predictors of the daughters' height, weight and BMI. Low birth weight (,2500 g) was significantly associated with reduced adult offspring weight and BMI. The weight and BMI of adult offspring were statistically significantly associated with the extrapolated prenatal DDE levels of their mothers. Controlling for confounders and compared to maternal DDE levels of ,1.503 mg/l, offspring BMI was increased by 1.65 when prenatal DDE levels were 1.503-2.9 mg/l and by 2.88 if levels were .2.9 mg/l. Prenatal PCB levels showed no effect. Conclusion: Prenatal exposure to the oestrogenic endocrine-disrupting chemical DDE may contribute to the obesity epidemic in women.
Improved patient experience, population health, and reduced cost of care for patients with obesity and other chronic diseases will not be achieved by clinical interventions alone. We offer here a new iteration of the Chronic Care Model that integrates clinical and community systems to address chronic diseases. Obesity contributes substantially to cardiovascular disease, type 2 diabetes mellitus, and cancer. Dietary and physical activity interventions will prevent, mitigate, and treat obesity and its related diseases. Challenges with the implementation of this model include provider training, the need to provide incentives for health systems to move beyond clinical care to link with community systems, and addressing the multiple elements necessary for integration within clinical care and with social systems. The Affordable Care Act, with its emphasis on prevention and new systems for care delivery, provides support for innovative strategies such as those proposed here.
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