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| Carriquiry, Alicia L.; Fuller, Wayne A.; Goyeneche, J.J.; Dodd, Kevin W.. |
| In recent years, it has become apparent that ratios of usual intakes of dietary components, such as the percent of calories from fat or the percent of calories from standard fat, are important indicators of dietary adequacy. The problem of estimating a percentile of the distribution of ratios of usual intakes of nutrients presents problems that arise from the fact that, from a statistical point of view, ratios of dietary components can be viewed as ratios of random variables. The methods developed by Nusser et al. (1995) to estimate usual intake distributions of nutrient, for example, cannot be directly applied to ratios, since the ratio of usual intakes is not equal to the mean of the ratio of daily intakes. In this paper we discuss the problem of... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Food Consumption/Nutrition/Food Safety. |
| Ano: 1995 |
URL: http://purl.umn.edu/18673 |
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| Pan, Suwen; Fuller, Wayne A.; Jensen, Helen H.. |
| Although welfare reform began in 1996 at the national level, Iowa was one of the earliest states to obtain a waiver to initiate the Iowa Family Investment Program (FIP) in 1993. To gain a better understanding of welfare recidivism, we use Iowa administrative quarterly data between October1993 and September 1995, impute the education attainment for the caseheads with missing education attainment using fractional imputation and study the factors that affect the probability of working, the potential wage for the caseheads and the possibility of leaving FIP based on the potential wage. We find higher education (i.e. higher skills) leads to higher labor force participation, especially for single-mothers with children. Metro or urban location is associated with... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Labor and Human Capital. |
| Ano: 2001 |
URL: http://purl.umn.edu/20665 |
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| Carriquiry, Alicia L.; Fuller, Wayne A.; Goyeneche, J.J.; Jensen, Helen H.. |
| Data obtained from dietary intake surveys are often used to estimate the proportion of the population with insufficient (or excessive) intake of certain dietary components. It is generally agreed that the usual or long-run average intake of a nutrient is the appropriate measure of an individual's intake. In this light, assessments of the dietary status of the population should be based on the distribution of usual intakes for each dietary component. Several methods have been proposed for estimating the distributions of usual intakes from dietary data. The methodology presented by Nusser et al. (1995) is very appealing, since it accounts for all of the attributes of dietary intake data, and explicitly recognizes that when data are collected on... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Food Consumption/Nutrition/Food Safety. |
| Ano: 1995 |
URL: http://purl.umn.edu/18658 |
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