African American Men's Perceptions of Factors Influencing Health-Information Seeking
ABSTRACT The lack of health information is one of several factors implicated in the poor health status of African American men. Although a growing body of research delineates the obstacles to African Americans' engagement in preventive health behaviors, relatively little is known about the barriers that adversely affect men's involvement in health-information seeking. This article presents qualitative data on African American men's information seeking through an analysis of focus group data. Three research questions are addressed: (a) What health-information concerns and needs do African American men have? (b) How do African American men describe their efforts to obtain health information? and (c) What factors facilitate or inhibit health-information seeking by African American men? The implications of the data and suggestions for future research are provided.
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ABSTRACT: On the basis of process analysis, a dynamic mixing cell model of simulated moving bed (SMB) adsorption process of C<sub>8</sub> aromatics was developed. The model assumed an equivalent counter-current movement of the solid phase, and the mass transfer between fluid and particle was described by the linear driving force model. Together with other unit models, it was applied to the simulation system of PX industrial unit for operator training. The study indicates that this model is convenient and accurate for simulating the dynamic state of the SMB system.Intelligent Control and Automation, 2004. WCICA 2004. Fifth World Congress on; 07/2004
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ABSTRACT: There are limited data on the epidemiology and risk factors of periodontitis in young populations in developing nations. This study assesses the prevalence of periodontal attachment loss and aggressive periodontitis and the association with ethnicity among high school students in Sudan. The study sample consisted of 1,200 students, 13 to 19 years old, selected from 38 public and private high schools using a multistage, stratified sampling design. The subjects were interviewed and examined clinically. Periodontal parameters were assessed at six sites per tooth. Subjects with aggressive periodontitis were identified. A total of 3.4% of the subjects had aggressive periodontitis, and 16.3% and 8.2% of the subjects had at least one tooth with > or = 4 and > or = 5 mm attachment loss, respectively. A significantly higher percentage of subjects of African tribal ethnicity had attachment loss > or = 4 and > or = 5 mm compared to Afro-Arab tribes (19.8% versus 14.7%, P = 0.02; and 12% versus 6.4%, P = 0.004, respectively), and had a higher prevalence of aggressive periodontitis (6% versus 2.3%; P = 0.01) and higher risk of being diagnosed with this disease (odds ratio = 2.7; P <0.0001). African ethnicity was also associated with a significantly higher number of teeth with attachment loss than in Afro-Arabs (P <0.01). Comparison by gender showed a significantly higher percentage of males with aggressive periodontitis (4.9% versus 2%; P <0.01) and a higher risk for this disease (odds ratio = 2.5; P = 0.01) than in females. However, the prevalence of subjects with attachment loss > or = 4 and > or = 5 mm was comparable in the two gender groups. Our results show that aggressive periodontitis is highly prevalent in this population. African ethnicity (versus Afro-Arab) and male gender were risk factors for aggressive periodontitis.Journal of Periodontology 04/2010; 81(6):891-6. DOI:10.1902/jop.2010.090709 · 2.57 Impact Factor