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At least 109 records · Page 6Linked to original sources
PubMed1996

Race Composition and Earnings: Effects by Race, Region, and Gender

For more than 40 years, studies have reported that the higher the proportion of blacks in a community, the more white men earn, but the less black men earn. Researchers have speculated that black men earned less because earnings discrimination increases with percent black. Others have suggested that the negative effect of black representation on black men's earnings reflects black men's limited occupational opportunities. This study (1) investigates whether pay discrimination and regional location condition the relationship between black representation and workers' earnings and (2) examines the relationship between black representation and earnings for women. The results, based on 1980 Census data for black and white workers from 267 SMSAs, show that black representation was associated with higher earnings for white men and lower earnings for black men in both the north and south, and that part of the effect for southern black men stemmed from earnings discrimination. Southern black men's earnings gains from black representation offset some of the effects of discrimination, while northern black men encountered costs of black representation even in the absence of earnings discrimination. These findings reflect the disparate economic opportunities of black men in each region as manufacturing jobs have disappeared from the north and relocated to the south. For women, black representation led to higher earnings for blacks and whites. I argue that black representation does not lower black women's earnings because occupational sex segregation prevents black women from threatening white men's economic status.

Journal Article↗
PubMed1992

Forensic diagnosis of race--general race vs specific populations.

Commonly used methods of diagnosing racial affinity from the skull may give paradoxical results. This may be due to using single populations to represent large geographical areas, and to the use of measurements unduly subject to local variation. It is suggested that a more flexible approach, using appropriate local populations and selected measurements, would be entirely practical with the use of modern small computers.

Anthropology, Physical↗
PubMed1995

ACE inhibitor ramipril is more effective than the beta-blocker atenolol in reducing left ventricular mass in hypertension. Results of the RACE (ramipril cardioprotective evaluation) study on behalf of the RACE study group.

OBJECTIVES: To compare the effect of the angiotensin converting enzyme (ACE) inhibitor ramipril with that of the beta-blocker atenolol on reversal of left ventricular hypertrophy, on blood pressure and on other echocardiographic parameters. DESIGN: The study was conducted in accord with the PROBE (prospective randomized open blinded endpoint) design. Randomized treatment either with ramipril or with atenolol was continued for 6 months, and echocardiograms were recorded before and after 3 and 6 months of treatment. The echo tracings were blindly evaluated in a single reading centre. METHODS: M-mode, two-dimensional guided echocardiography was used to measure left ventricular wall thicknesses and dimensions, from which left ventricular mass was calculated, according to the Penn convention. RESULTS: Of 193 patients at 16 centres, 111 had echocardiograms that could be quantitatively evaluated. The primary analysis of the study was performed using data from those patients. In addition, echocardiograms of 88 patients were analysed on an 'according to protocol' basis (patients with preset values of left ventricular mass). Systolic and diastolic blood pressures were significantly reduced both by ramipril and by atenolol without any significant difference between the two drug treatments. The heart rate was significantly reduced by atenolol only. Both the 'primary' and the 'according to protocol' analyses showed that the left ventricular mass was significantly reduced by ramipril only. Comparison between treatments according to a multivariate analysis demonstrated a significantly greater reduction in left ventricular mass during ramipril than during atenolol treatment. CONCLUSIONS: The present study is the first of suitably large size in which a direct comparison of the effects of an ACE inhibitor and a beta-blocker on echocardiographic left ventricular mass has been performed. It has demonstrated that ramipril is more effective than atenolol in reversing left ventricular hypertrophy in essential hypertensive patients.

Adrenergic beta-Antagonists↗