F Frost — Page 4 | PubMed Health

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Correctness of racial coding of American Indians and Alaska Natives on the Washington State death certificate.

Underestimation of death rates for specific races can obscure health problems and impair the ability of public programs to prevent premature death and disability. For accurate race-specific death rates, the racial classification of both the population at risk and the decreased population must be accurately ascertained. However, studies suggest that the American Indian (AI) and Alaska Native (AN) races may be not be accurately recorded on the death certificate. We performed a computerized linkage between the Indian Health Service (IHS) patient registry and the 1985-1990 computerized Washington State death certificate data. The deceased was correctly identified as AI or AN on the death certificate for 1,088 (87.2%) of 1,248 matched deaths. The majority (93%) of deceased persons identified on the death certificate as not AI or AN were listed as white. The percentage of American Indian ancestry was strongly associated with correct racial classification on the death certificate (P < .001). Birth in Washington State, membership in a large Washington State tribe, and death from an alcohol condition independently added to the likelihood of correct AI or AN racial classification. Persons who died from cancer were significantly less likely to be correctly coded as AI or AN on the death certificate.

Alaska↗

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History of smoking from the Washington State death certificate.

Beginning in 1988, a question added to the Washington State death certificate asked whether the decedent had smoked during the last 15 years of life. We analyzed death certificate data to evaluate the effectiveness of this question in identifying groups with high smoking rates and occupations with high rates of respiratory disease death among nonsmokers. We obtained statistical death certificate data from the Washington State Department of Health for resident deaths occurring between 1988 and 1991. Analyses included information on age, sex, race/ethnicity, marital status, underlying cause of death, high school graduation, smoking during the last 15 years of life, and occupation. Based on logistic regression analysis, we found that male sex, youth, divorced status, or death from lung cancer, chronic obstructive lung disease, or ischemic heart disease predicted a higher risk of smoking during the last 15 years of life. Hispanic ethnicity, single or widowed status, high school graduation, or death from breast cancer, diabetes, motor vehicle accidents, other accidents, or homicide predicted a lower risk of smoking. In farming occupations, there was an excess number of chronic obstructive lung disease deaths among nonsmokers. Findings from this study suggest that patterns of smoking during the last 15 years of life among decedents can provide useful public health surveillance information. The collection of risk factor information, such as smoking, should be recommended for the U.S. standard death certificate. Questions on smoking should be both simple and answerable by informants who may not have known the decedent for a lifetime. Additional studies on the accuracy of smoking history from the death certificate should be conducted.

Adult↗