Age-Period-Cohort Analysis

5

APC Accounting/Multiple Classification Model, Part I: Model Identification and Estimation Using the Intrinsic Estimator

5.1 Introduction

The age-period-cohort (APC) accounting/multiple classification model described by Mason et al. (1973) has served for over three decades as a general methodology for estimating A, P, and C effects in demographic and social research. It also has been the dominant model for APC analysis in biostatistics and epidemiology (Holford 2005). This methodology uses conventional linear regression models or their generalized linear model extensions and has mainly been applied to data using the first research design (tables of rates or proportions) described in Chapter 3. The problem of identification of model ...