| All sample (N=154) | G1 (N=62) | G2 (N=37) | G3 (N=36) | G4 (N=15) | P-value |
---|---|---|---|---|---|---|
PPE use during loud voicing/singing tasks: | 73/112 (65.2%) | 33/53 (62.3%) | 10/19 (52.6%) | 24/28 (85.7%) | 5/11 (45.5%) | #0.036* |
PPE use during instrumental aerodynamic assessment: | 55/72 (76.4%) | 28/33 (84.8%) | 7/12 (58.3%) | 16/18 (88.9%) | 4/8 (50.0%) | §0.039* |