Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews · Headline outcomes only

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 100%High 0 · 0%

Effects of extensive instructions vs simple instructions

PAR (dB) ‐ Fit testing of foam earplugs (immediate) · workers exposed to noise using HPDs

1 finding from 1 review

Hearing protection field attenuation estimation systems and associated training for reducing workers’ exposure to noise 2024 · Cochrane Headline outcomes only
no estimate extracted
1 study · 321 participants
Moderate

Effects of extensive instructions vs simple instructions

PAR pass rate (%) ‐ Fit testing of foam earplugs (immediate) · workers exposed to noise using HPDs

Effects of extensive instructions probably leads to higher PAR pass rate (%) ‐ Fit testing of foam earplugs (immediate) compared with simple instructions (moderate certainty).

1 finding from 1 review

Hearing protection field attenuation estimation systems and associated training for reducing workers’ exposure to noise 2024 · Cochrane Headline outcomes only
RR 1.75 [1.44, 2.11]
1 study · 321 participants
Moderate