Epidemiology

Download e-book for iPad: Age-Period-Cohort Models: Approaches and Analyses with by Robert O'Brien

By Robert O'Brien

ISBN-10: 1466551534

ISBN-13: 9781466551534

ISBN-10: 1466551542

ISBN-13: 9781466551541

Age-Period-Cohort types: ways and Analyses with mixture facts offers an creation to the issues and methods for modeling age, interval, and cohort (APC) results for aggregate-level info. those recommendations comprise restricted estimation, using age and/or interval and/or cohort features, estimable features, variance decomposition, and a brand new process referred to as the s-constraint approach.

summary: Age-Period-Cohort versions: ways and Analyses with combination info provides an advent to the issues and methods for modeling age, interval, and cohort (APC) results for aggregate-level info. those recommendations contain restricted estimation, using age and/or interval and/or cohort features, estimable services, variance decomposition, and a brand new method referred to as the s-constraint technique

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Extra info for Age-Period-Cohort Models: Approaches and Analyses with Aggregate Data

Example text

American Sociological Review 30:843–61. , E. Allan, M. Harer, and C. Streifel. 1989. Age and the distribution of crime. American Journal of Sociology 94:803–31. M. O’Brien. 2002. Cohort effects on suicide rates: International variations. American Sociological Review 67:854–72. Vandeschrick, C. 2001. The Lexis diagram, a misnomer. Demographic Research 4:97–124. R. Gove. 1999. The intercohort decline in verbal ability: Does it exist? American Sociological Review 64:253–66. C. Land. 2006. A mixed models approach to the age-­period-­cohort analysis of repeated cross-­section surveys with an application to data on trends in verbal test scores.

This problem for APC models had its first modern presentation in Mason et al. (1973). Not only did they clearly describe the problem, but they noted that a single constraint would just identify the model. Two other works by Mason and Fienberg (Fienberg and Mason 1979; Mason and Fienberg 1985) helped establish their general approach. * The easiest situation to conceptualize is one that involves a linear coding of these factors: for example, coding period as the year of the occurrence, cohort by year of birth, and age in years of age.

These topics are now covered in depth in the context of the most frequently used form of APC models: those that use categorical coding. 3 Categorically Coded APC Model Categorical coding of the APC model allows the relationship between the dependent variable and the age groups, periods, and cohorts to take on a wide variety of functional forms; for example, it does not constrain the relationship between age and the dependent variable to be linear or quadratic. Categorical coding allows each category of age, period, and cohort to have its own effect that may be higher or lower than other age groups, periods, or cohorts.

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Age-Period-Cohort Models: Approaches and Analyses with Aggregate Data by Robert O'Brien


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