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1.
BMC Health Serv Res ; 14: 456, 2014 Oct 02.
Article in English | MEDLINE | ID: mdl-25277068

ABSTRACT

BACKGROUND: Understanding physician perspectives on the intersection of race and genomics in clinical decision making is critical as personalized medicine and genomics become more integrated in health care services. There is a paucity of literature in the United States of America (USA) and globally regarding how health care providers understand and use information about race, ethnicity and genetic variation in their clinical decision making. This paper describes the development of three scales related to addressing this gap in the literature: the Bonham and Sellers Genetic Variation Knowledge Assessment Index--GKAI, Health Professionals Beliefs about Race-HPBR, and Racial Attributes in Clinical Evaluation-RACE scales. METHODS: A cross-sectional, web survey of a national random sample of general internists in the USA (N = 787) was conducted. Confirmatory factor analysis was used to assess the construct validity of the scales. Scale items were developed through focus groups, cognitive interviews, expert advisory panels, and exploratory factor analysis of pilot data. RESULTS: GKAI was measured as a count of correct answers (Mean = 3.28 SD = 1.17). HPBR yielded two domains: beliefs about race as a biological phenomenon (HPBR-BD, alpha = .69, 4 items) and beliefs about the clinical value of race and genetic variation for understanding risk for disease (HPBR-CD alpha = .61, 3 items). RACE yielded one factor (alpha = .86, 7 items). CONCLUSIONS: GKAI is a timely knowledge scale that can be used to assess health professional knowledge of race and human genetic variation. HPBR is a promising new tool for assessing health professionals' beliefs about the role of race and its relationship with human genetic variation in clinical practice. RACE offers a valid and reliable tool for assessing explicit use of racial attributes in clinical decision making.


Subject(s)
Genetic Variation , Health Knowledge, Attitudes, Practice , Physicians/psychology , Racial Groups/genetics , Cross-Sectional Studies , Data Collection/methods , Female , Humans , Internal Medicine , Male , Middle Aged
2.
Soc Sci Med ; 66(3): 790-800, 2008 Feb.
Article in English | MEDLINE | ID: mdl-18037204

ABSTRACT

The manuscript examines the influence of contextual factors on whether and for whom a colon polyp diagnosis might be a teachable moment, as indicated by engagement with a proactively delivered intervention. Baseline and 8-month follow-up data were analyzed from a two-site behavioral intervention trial with patients in Massachusetts and North Carolina, USA who had recently undergone polypectomy for pre-cancerous colon polyps and were randomized to a behavior change intervention condition (N=591). Intervention "buy-in" was used as an indicator of response consistent with the polyp identification serving as a teachable moment. Cancer worry, personal risk, health-related self-identity and other sociodemographic factors were tested to predict intervention buy-in. As predicted, those who were most worried about colon cancer were most likely to engage in the intervention. One indicator of personal risk, number of risk behaviors, was significantly and negatively associated with buy-in. Predictors of intervention buy-in and cancer worry were not consistent. We recommend that expanded measures of affect and health-related self-identity should be considered in future research to understand the motivational potential of health events for increasing engagement in effective behavior change interventions.


Subject(s)
Colonic Neoplasms/prevention & control , Colonic Neoplasms/psychology , Colonic Polyps/diagnosis , Adult , Female , Health Behavior , Humans , Male , Middle Aged , Risk Factors , Socioeconomic Factors
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