نتایج جستجو برای: african
تعداد نتایج: 100634 فیلتر نتایج به سال:
North African Jews constitute the second largest Jewish Diaspora group. However, their relatedness to each other; to European, Middle Eastern, and other Jewish Diaspora groups; and to their former North African non-Jewish neighbors has not been well defined. Here, genome-wide analysis of five North African Jewish groups (Moroccan, Algerian, Tunisian, Djerban, and Libyan) and comparison with oth...
Stereotype threat is being at risk of confirming, as self-characteristic, a negative stereotype about one's group. Studies 1 and 2 varied the stereotype vulnerability of Black participants taking a difficult verbal test by varying whether or not their performance was ostensibly diagnostic of ability, and thus, whether or not they were at risk of fulfilling the racial stereotype about their inte...
This study investigated the epidemiology of bedtime (BT), arising time (AT), and time in bed (TIB) as a function of age, gender, and ethnicity. Sleep diary data were analyzed for 746 randomly selected community participants. This sample was comprised of 364 men (48.8%) and 382 women (51.2%), 532 Caucasians (71.3%) and 214 African Americans (28.7%), and participant ages ranged from 20 to 98 year...
Recent theoretical and empirical studies of the social determinants of health inequities have shown that economic deprivation, multiple levels of racism, and neighborhood context limit African American health chances and that African Americans' poor health status is predicated on unequal opportunity to achieve the American Dream. President Obama's election has been touted as a demonstration of ...
Primate social life and behaviour is contingent on a number of levels: phylogenetic, functional and proximate. Although this contingency is recognized by socioecological theory, variability in behaviour is still commonly viewed as 'noise' around a central tendency, rather than as a source of information. An alternative view is that selection has acted on social reaction norms that encompass dem...
A. R. P. WALKER, MRC Human Biochemistry Research Unit, School of Pathology, South African Institute for Medical Research and University of the Witwatersrand, Johannesburg, P. E. CLEATON-JONES, Dented Research Unit, UDiversity of the Witwatersrand and South African Medi cal Research Council, Johannesburg, B. D. RICHARDSON, National Research Institute for Nutritional Diseases of the South Africa...
This study examined time to treatment initiation by age among a prospective cohort with drug-resistant tuberculosis (DR-TB). Participants aged 13 years or older nested within a cluster-randomized trial in 2 South African provinces were evaluated. Outcomes were treatment initiation within 5 days of DR-TB diagnosis (National Tuberculosis Program guidelines) and days from diagnosis to treatment. A...
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