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1.  The Predictive Influence of Family and Neighborhood Assets on Fighting and Weapon Carrying from Mid- to Late-Adolescence 
Using a developmental, social-ecological approach to understand the etiology of health risk behavior and inform primary prevention efforts, we assess the predictive effects of family and neighborhood social processes on youth physical fighting and weapon carrying. Specifically, we focus on relationships among youth and their parents, family communication, and parental monitoring, as well as sense of community and neighborhood informal social control, support, concerns, and disorder. This study advances knowledge through its investigation of family and neighborhood structural factors and social processes together, employment of longitudinal models that estimate effects over adolescent development, and use of self-report and observational measures. Data from 1,093 youth/parent pairs were analyzed from the Youth Assets Study using a Generalized Estimating Equation (GEE) approach; family and neighborhood assets and risks were analyzed as time-varying and lagged. Similar family assets affected physical fighting and weapon carrying, whereas different neighborhood social processes influenced the two forms of youth violence. Study findings have implications for the primary prevention of youth violence, including the use of family-based approaches that build relationships and parental monitoring skills, and community-level change approaches that promote informal social control and reduce neighborhood concerns about safety.
PMCID: PMC4710476  PMID: 23677457
youth violence; assets; family; parenting; neighborhood; community
2.  Interpreting the psychometric properties of the components of primary care instrument in an elderly population 
To determine the psychometric properties of the Components of Primary Care Instrument (CPCI) in a patient population aged 65 or older.
Materials and Methods:
795 participants in the OKLAHOMA Studies, a longitudinal population-based study of predominantly Caucasian, elderly patients, completed the CPCI. Reliability analysis and confirmatory factor analysis were done to provide psychometric properties for this elderly sample. Models were constructed and tested to determine the best fit for the data including the addition of a method factor for negatively worded items.
Cronbach's alphas were comparable to values reported in prior studies. The confirmatory factor analysis with factor inter-correlations and a method factor each improved the fit of the factor model to the data. The combined model's fit approached the level conventionally recognized as adequate.
CPCI appears to be a reliable tool for describing patient perceptions of the quality of primary care for patients over age 65.
PMCID: PMC3410175  PMID: 22870416
Components of primary care instrument; elderly; older patients; primary care; reliability; validity
3.  The Influence of Assets and Environmental Factors on Gender Differences in Adolescent Drug Use 
Journal of adolescence  2014;37(6):827-837.
PMCID: PMC4121597  PMID: 25086459
community-based longitudinal study; positive youth development; youth assets; youth illicit drug use; neighborhood factors
4.  Leveraging practice-based research networks to accelerate implementation and diffusion of chronic kidney disease guidelines in primary care practices: a prospective cohort study 
Four practice-based research networks (PBRNs) participated in a study to determine whether networks could increase dissemination, implementation, and diffusion of evidence-based treatment guidelines for chronic kidney disease by leveraging early adopter practices.
Motivated practices from four PBRNs received baseline and periodic performance feedback, academic detailing, and weekly practice facilitation for 6 months during wave I of the study. Each wave I practice then recruited two additional practices (wave II), which received performance feedback and academic detailing and participated in monthly local learning collaboratives led by the wave I clinicians. They received only monthly practice facilitation. The primary outcomes were adherence to primary care-relevant process-of-care recommendations from the National Kidney Foundation Kidney Disease Outcomes Quality Initiative Guidelines. Performance was determined retrospectively by medical records abstraction. Practice priority, change capacity, and care process content were measured before and after the interventions.
Following the intervention, wave I practices increased the use of ACEIs/ARBs, discontinuation of NSAIDs, testing for anemia, and testing and/or treatment for vitamin D deficiency. Most were able to recruit two additional practices for wave II, and wave II practices also increased their use of ACEIs/ARBs and testing and/or treatment of vitamin D deficiency.
With some assistance, early adopter practices can facilitate the diffusion of evidence-based approaches to other practices. PBRNs are well-positioned to replicate this process for other evidence-based innovations.
Electronic supplementary material
The online version of this article (doi:10.1186/s13012-014-0169-x) contains supplementary material, which is available to authorized users.
PMCID: PMC4245828  PMID: 25416998
Implementation; Diffusion; Primary care; Practice-based research network; Chronic kidney disease

Results 1-4 (4)