Revisiting vulnerability: Comparing young and adult workers' safety voice intentions under different supervisory conditions.

•We test the belief that young workers are less likely than adult workers to speak up about safety concerns.•Under clear supervisor commitment to safety, younger and adult workers did not differ on their safety voice intentions.•Under unclear supervisor commitment to safety, adult workers were less likely to speak up about safety compared to younger workers.•These findings have implications for our understanding of young and adult worker safety voice.•These findings also highlight the importance of how supervisors signal commitment to safety.