DESCRIPTION (provided by applicant): Maternal-infant feeding style, defined as a mother's approach to regulating infant feeding, is a critical, potentially modifiable mediator linking povery and child obesity. Evidence has documented that poverty-related risks directly impact feeding styles and create barriers to intervention engagement. This suggests the need to address both risks and barriers to improve intervention impact. Pediatric platforms represent an opportunity to address these risks and barriers due to their ability to access low-income families with poverty-related risks beginning in early infancy. The candidate proposes a mentored support period of five years to acquire expertise in developing strategies to improve obesity prevention in the context of poverty beginning during infancy. The candidate is an Assistant Professor of Pediatrics with the long-term goal of becoming an independent clinical research investigator. This goal will be achieved through training from expert multidisciplinary mentors from the fields of developmental-behavioral pediatrics, applied developmental psychology, nutrition science and biostatistics, formal coursework and other career development activities. She will gain advanced skills in: 1) applying theoretical frameworks from developmental psychology to patient-oriented research addressing poverty-related risks; 2) state-of-the-art methodologies for assessing maternal-infant feeding interactions; 3) complex quantitative longitudinal data analysis with repeated measures; 4) qualitative research methodologies to identify barriers and facilitators of intervention engagement with low-income families; 5) intervention development and evaluation; and 6) grant writing. The practical application of these goals will be accomplished through three study aims. In Aim 1, Dr. Gross will conduct a secondary analysis of longitudinal data from a large ongoing study of an early obesity prevention intervention to systematically describe the relationships between poverty-related risks and maternal-infant feeding styles and the degree to which these styles impact caloric intake and infant weight trajectories. In Aim 2, Dr. Gross will use qualitative methodologies to inform the conceptualization and development of strategies to address poverty-related risks and barriers that can be incorporated into a behavior change intervention and integrated into a population-scalable primary care-based platform. In Aim 3, Dr. Gross will pilot test these strategies for feasibility of implementation and obtaining preliminary estimates of effect size. The successful execution of this proposal will lead to an R01 application to test the efficacy of an obesity prevention intervention that addresses poverty-related risks and barriers using a population-scalable primary care-based platform to increase responsive maternal-infant feeding styles and reduce early child obesity.
|Effective start/end date||8/1/14 → 6/30/19|
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