Representation and Hesitancy in Population Health Research: Evidence from a COVID-19 Antibody Study

Deniz Dutz, Michael Greenstone, Ali Hortaçsu, Santiago Lacouture, Magne Mogstad, Azeem Shaikh, Alexander Torgovitsky and Winnie van Dijk

No 30880, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: We examine why minority and poor households are often underrepresented in studies that require active participation. Using data from a serological study with randomized participation incentives, we find large participation gaps by race and income when incentives are low, but not when incentives are high. We develop a framework for using randomized incentives to disentangle the roles of hesitancy and non-contact in driving the participation gaps, and find that hesitancy is the predominant factor. Hesitancy rates strongly correlate with hospitalization rates and COVID-19 risk, suggesting that individuals facing higher health risks may be underrepresented in studies with low incentives.

JEL-codes: C40 C42 C83 I1 I14 I30 O31 (search for similar items in EconPapers)
Date: 2023-01
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