4

Formalities of the Age-Period-Cohort Analysis Conundrum and a Generalized Linear Mixed Models (GLMM) Framework

4.1 Introduction

The three commonly used research designs—tables of rates or proportions, repeated cross-sectional sample surveys, and accelerated longitudinal cohort designs—described in the previous chapter can be used for age-period-cohort (APC) analysis. The use of suitable data alone, however, does not guarantee proper inferences regarding A, P, and C effects. Analytic approaches are often critical in determining the attribution of variations in the outcome of interest to distinct influences of age, period, and birth cohort. As noted previously and discussed in detail in this chapter, the APC underidentification problem, ...

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