From: Face mask type affects audiovisual speech intelligibility and subjective listening effort in young and older adults
Age (Years)
Gender
Young adults
Median: 26
Mean: 26.5
SD: 5.1
Range: 18–35
Male: 52.8%
Female: 45.6%
Other: 0.6%
No response: 1.1%
Older adults
Median: 64
Mean: 64.6
SD: 4.1
Range: 59–77
Male: 30.0%
Female: 70.0%
Other: 0.0%
No response: 0.0%