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Neighborhood Barriers and Facilitators to Walking, the Epidemiology of Knee Osteoarthritis and Developing Effective Exercise Prescriptions

Award Number: K23AR079035
ORGANIZATION: NATIONAL INSTITUTE OF ARTHRITIS & MUSCULOSKELETAL & SKIN DISEASES
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP
PERIOD OF PERFORMANCE START DATE: 04/01/2022
PERIOD OF PERFORMANCE END DATE: 01/31/2027

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Neighborhood Barriers and Facilitators to Walking, the Epidemiology of Knee Osteoarthritis and Developing Effective Exercise Prescriptions - Knee osteoarthritis (OA) is a costly and worsening problem in the United States with nearly 14 million adults suffering with symptoms of pain and stiffness. Although many treatments exist, they often lack evidence for efficacy, bare significant risk, or are exercise programs that are difficult to maintain. Walking in one’s neighborhood provides a low-cost solution that has been shown to control OA symptoms. However, most Americans, and further, most OA patients do not engage in enough physical activity. Barriers to walking are built and social environment in their neighborhood, such as walkability and fear of crime. Although walkability and social environment have been associated with walking and physical activity, no studies have yet bridged the gap to prevalent knee OA. Investigating and identifying walkability and social environmental components that most influence prevalence of knee OA and trajectory of knee OA to end stage total knee arthroplasty (TKA) can offer targets for intervention. This 5-year K23 award and strong mentorship in “Big Data”, Geospatial Information Science (GISc) and qualitative methods will help Dr. Gebauer become a leader in integrating Electronic Medical Record Data (EMR) and GISc and gain skills in qualitative methodology to facilitate mixed methods studies to explore the influence of neighborhood on walking and painful conditions. Training in spatial statistics and “Big Data” management will facilitate Aims 1 & 2, exploring the associations between neighborhood factors, such as walkability, social capital, and violent crime rates and prevalent cases of knee OA, as well as TKA across the United States utilizing the rich Veterans Affairs (VA) EMR Data set. Innovative GISc modeling with time-varying measures of neighborhood walkability and social characteristics will be used to follow veterans across the country in a dynamic retrospective cohort for 11 years, providing much needed longitudinal data to offer evidence to inform public health action. Training in qualitative methods and triangulation will facilitate Aim 3, using qualitative interviews with primary care providers (PCPs) and OA patients to help understand how patient or PCP knowledge of neighborhood barriers and resources can be leveraged to enhance shared decision making between PCPs and patients and establish concordance around walking for knee OA treatment. Through the completion of these aims and additional training in longitudinal/multilevel modeling strategies, grantsmanship, and networking with experts in neighborhoods and physical activity, Dr. Gebauer will provide novel risk factors for knee OA and time to TKA, introduce innovative spatial survival models to chronic disease epidemiology, as well as a new understanding of shared decision making for patients and their PCPs, providing data for follow up R01 studies examining integration of neighborhood characteristics to increase walking in knee OA patients, replicating this study in civilian populations and other metropolitan areas, and begin to explore other musculoskeletal conditions that benefit from walking in the neighborhood.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $157,393 )
2026	2026	SAINT LOUIS UNIVERSITY	221 N GRAND BLVD	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	5	1/27/2026	NON-COMPETING CONTINUATION	$157,393
														Subtotal = $157,393

Issue Date FY: 2025 ( Subtotal = $157,393 )
2025	2025	SAINT LOUIS UNIVERSITY	221 N GRAND BLVD	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	4	4/1/2025	NON-COMPETING CONTINUATION	$157,393
														Subtotal = $157,393

Issue Date FY: 2024 ( Subtotal = $157,393 )
2024	2024	SAINT LOUIS UNIVERSITY	221 N GRAND BLVD	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	3	1/25/2024	NON-COMPETING CONTINUATION	$157,393
														Subtotal = $157,393

Issue Date FY: 2023 ( Subtotal = $157,393 )
2023	2023	SAINT LOUIS UNIVERSITY	221 N GRAND BLVD	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	2	2/1/2023	NON-COMPETING CONTINUATION	$157,393
														Subtotal = $157,393

Issue Date FY: 2022 ( Subtotal = $157,505 )
2022	2022	SAINT LOUIS UNIVERSITY	ONE NORTH GRAND	SAINT LOUIS	MO	63103	SAINT LOUIS CITY	USA	Arthritis, Musculoskeletal and Skin Diseases Research	000	1	4/1/2022	NEW	$157,505
														Subtotal = $157,505

Grand Total All Awards = $787,077

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Neighborhood Barriers and Facilitators to Walking, the Epidemiology of Knee Osteoarthritis and Developing Effective Exercise Prescriptions

Award Number: K23AR079035

ORGANIZATION: NATIONAL INSTITUTE OF ARTHRITIS & MUSCULOSKELETAL & SKIN DISEASES

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: TRAINING/TRAINEESHIP

PERIOD OF PERFORMANCE START DATE: 04/01/2022

PERIOD OF PERFORMANCE END DATE: 01/31/2027

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