PubMed · 10344884
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B Carne. 1998. A consumer perspective.. https://doi.org/10.7870/cjcmh-1998-0016
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The San Luis Valley Health and Aging Study, was designed to examine Hispanic versus non-Hispanic White differences in prevalence and incidence of aging-related outcomes in a rural population (1,358 community dwellers and 75 nursing home residents). Data presented here were gathered between 1993 and 1997. Previously reported analyses identified greater prevalence of functional dependence in daily living activities among Hispanic elderly, especially females, than among non-Hispanic White elderly. This analysis explored the degree to which incident changes explain these patterns. Comparisons of incidence, recovery, and mortality rates after 22 months revealed no significant ethnic differences, although trends were as hypothesized: greater Hispanic incidence, lower Hispanic recovery rates, and less Hispanic mortality. Overall age-adjusted incidence (activities of daily living = 9.5; instrumental activities of daily living = 15.1 per 100 person-years) exceeded reports from most other studies, while rates of recovery (activities of daily living = 14.5; instrumental activities of daily living = 9.9) and mortality (4.8 among community dwellers; 6.7 including nursing home residents) were similar to those of other reports. Patterns of new dependence, recovery, and mortality did not increase the previously observed disparity. Greater prevalent disability in the Hispanic cohort, especially in women, may reflect a reservoir accumulated during younger years and related to culture and socioeconomic status as well as to older age.
The aim of the present study was to demonstrate the use of a structural equation model to explore the complicated lead exposure pathways in a lead battery plant. A total of 96 out of 113 assembly workers were recruited in this study. Lead measurements included blood lead, respirable airborne lead, and body surface lead loadings. Latent variables of inadvertent contact of lead on fingers and ingested lead had indirect and direct effects on the blood lead levels, respectively, and so did the variables of respirable airborne lead, smoking, and the working-place clothes being washed. A model chi(22)2 value of 31.1 (P=0.094) for a goodness of fit test indicates that the derived structural equation model appropriately accounted for the variation of blood lead levels. It is concluded that lead loadings on fingers and lips had significant effects on occupational lead uptake, and, after-work hours and break times at work were the critical time periods for inadvertent lead exposure.