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PubMed1989

Occupational health in the Negev: a model for regional planning.

In the Negev region of Israel, I tested a model approach to occupational health planning. This model included components assessing exposures, measuring adverse health outcomes, and evaluating health services. I analyzed employment survey data, compiled an exposure data base, and carried out site visits covering 10,707 employees (over 50% of the regional industrial work force). Site visits identified exposure hazards of inorganic and organic dusts, heavy metals, chemicals, pesticides, and noise. I identified elevated relative regional injury rates by Standard Morbidity Ratios (SMRs) in a variety of industries, including sixfold increases for mining and non-metallic minerals manufacture (SMR 6.8, 99% CI 6.1-7.7). Review of biological monitoring data suggested deficiencies in pesticide and heavy metals surveillance. A survey of primary care clinics estimated 13,707 cases of occupational injury and illness untreated by existing occupational medical services. Based on these findings, I formulated regional occupational health planning goals, including targeting high-risk industries for increased preventive activities. This regional approach, combining multiple measures of occupational health status, can serve as a model for assessing local public health planning needs.

Agriculture↗
PubMed2005

The contribution of lone parenthood and economic difficulties to smoking.

Smoking is more prevalent among lower socioeconomic status groups, among those who perceive economic difficulties and among lone mothers. Less is known of how these factors contribute to smoking independently. The aim of this study was first to examine the association between smoking and both economic difficulties and lone parenthood. We then also studied to what extent smoking among people experiencing economic difficulties and lone parenthood is due to other factors such as socioeconomic status and social relations. The data derive from surveys conducted among the employees of the City of Helsinki, Finland, in 2000 and 2001 including 6243 respondents aged 40-60 yr (response rate 68%). The measures were daily smoking, economic difficulties and family type, as well as socioeconomic status (education, occupational social class, household income, housing tenure) and social relations. The more had respondents experienced economic difficulties, the more prevalent was their smoking. Smoking among lone parents was more common than among parents living together; this was true for both men and women. After controlling for socioeconomic status and housing tenure, the association between smoking and economic difficulties, as well as that between smoking and lone parenthood, attenuated but remained statistically significant. However, after controlling for social relations the associations became stronger. Both economic difficulties and lone parenthood were associated with smoking independent of education, occupational social class, household disposable income, housing tenure or social relations for both men and women.

Adult↗
PubMed1994

The making of an immigrant niche.

"This article speaks to the conceptual and methodological issues in research on the making of an immigrant niche through a case study of immigrant professionals in New York City government." The author argues that "the growth of this immigrant niche resulted from changes in the relative supply of native workers and in the structure of employment, which opened the bureaucracy to immigrants and reduced native/immigrant competition. These shifts opened hiring portals; given the advantages of network hiring for workers and managers, and an immigrant propensity for government employment, network recruitment led to a rapid buildup in immigrant ranks."

Americas↗
PubMed1991

[Occupational hygiene and miners' health status in the main coal mining areas of the RSFSR].

The article deals with the methological issues of preventive measures in the process of technological restructuring of mines in the Russian Federation, with due account of the hygienic stratification of different mines as to the degrees of the labour conditions' potential hazardness, regularities in and prognostics of occupational pathologies decreases and morbidity with temporary disability rates.

Anthracosilicosis↗
PubMed2005

A urinary metabolite of phenanthrene as a biomarker of polycyclic aromatic hydrocarbon metabolic activation in workers exposed to residual oil fly ash.

Residual oil fly ash is a chemically complex combustion product containing a significant component of potentially carcinogenic transition metals and polycyclic aromatic hydrocarbons (PAH). Various biomarkers of PAH exposure have been investigated previously, most notably 1-hydroxypyrene (1-OHP), in urine. In this study, we assessed the utility of r-1,t-2,3,c-4-tetrahydroxy-1,2,3,4-tetrahydrophenanthrene (trans, anti-PheT), a metabolite of phenanthrene, to detect occupational PAH exposure. Urine samples collected across the workweek were analyzed for 1-OHP and trans, anti-PheT in boilermakers (n = 20) exposed to residual oil fly ash. Median baseline urinary trans, anti-PheT concentrations were 0.50 microg/g creatinine in current tobacco smokers and 0.39 microg/g creatinine in nonsmokers. Median baseline urinary 1-OHP concentrations in smokers and nonsmokers were 0.31 and 0.13 microg/g creatinine, respectively. To study further the effect of smoking exposure on the urinary PAH markers, urinary cotinine was used. Although urinary trans, anti-PheT and 1-OHP concentrations were correlated (Spearman r = 0.63; P < 0.001) for all subjects, the regression coefficient between log-transformed trans, anti-PheT and log 1-OHP was statistically significant only for subjects with low levels of urinary cotinine or for nonsmokers. Each 1-unit increase in log 1-OHP was associated with a 0.77-unit increase (95% confidence interval, 0.45-1.09) in log trans, anti-PheT in subjects with low levels of urinary cotinine (P < 0.001). In these subjects, dichotomized occupational exposure status was a significant predictor of log trans, anti-PheT (P = 0.02) but not of log 1-OHP (P = 0.2). In conclusion, we found that urinary trans, anti-PheT was detected in levels comparable with 1-OHP in occupationally exposed workers, particularly nonsmokers. This study shows that urinary trans, anti-PheT may be an effective biomarker of uptake and metabolic activation of PAHs.

Adult↗
PubMed1992

Migration and development: a critical relationship.

"Wide income differentials, the threat of increased illegal immigration from developing countries, and sub-replacement fertility in the developed countries are some reasons for the recent reassessment of the relationship between migration and development.... The model presented in this article proposes different roles for permanent immigrants, contract workers, professional transients, illegal migrants and others according to the stages of modernization of the sending and receiving countries. The model was found consistent with the experiences of Mauritius, Seychelles, Singapore and, to a lesser extent, Malaysia."

Africa↗