1. How does contingent work affect SSDI benefits? Author(s): Rutledge, Matthew S., authorZulkarnain, Alice, authorKing, Sara Ellen, author Publication: Chestnut Hill, MA : Center for Retirement Research at Boston College, February 2019 Subject(s): Disabled PersonsEmploymentInsurance BenefitsInsurance, DisabilityRetirement -- economicsHumansUnited States