Informal out-of-pocket payments for healthcare services in Greece

Informal out-of-pocket (OOP) payments for healthcare services are not unusual in Greece. This study estimates the association between respondent and incident-level characteristics and informal payments. A survey of 4218 households was conducted from November 2016 to February 2017. We analyzed healthcare incidents by all household members within the past four months. Multivariate negative binomial regression analysis was used to estimate the...