TABLE II.
Activity Card Mean (SD) percent of minutes report wearing HPD |
All Subjects
|
Construction
|
Fixed–Variable
|
Fixed–Steady
|
p-ValueA | ||||
---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | ||
Day 1 | |||||||||
All shifts | 58 | 36 (±44) | 19 | 23 (±39) | 20 | 78 (±32) | 19 | 5 (±22) | <0.0001 |
Minutes with 1 min Leq >85 dBA | 58 | 38 (±46) | 19 | 24 (±40) | 20 | 82 (±34) | 19 | 5 (±22) | <0.0001 |
Week 2 | |||||||||
All shifts | 206 | 37 (±44) | 67 | 30 (±39) | 65 | 78 (±33) | 74 | 8 (±25) | <0.0001 |
Minutes with 1 min Leq >85 dBA | 206 | 38 (±46) | 67 | 30 (±40) | 65 | 82 (±33) | 74 | 8 (±25) | <0.0001 |
Note: n = number of shifts subjects reported wearing HPDs, all shifts and in high noise.
One-way ANOVA.