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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Am J Ind Med. 2019 May 19;62(7):590–599. doi: 10.1002/ajim.22970

Table 4:

Adjusted prevalence ratios (PR) and 95% confidence intervals (CI) of hearing protection device use

PR 95% CI p-value
Hearing climate 1.32 (1.03, 1.69) 0.03
General safety climate 1.12 (0.87, 1.43) 0.40
Age greater than 40 years 1.07 (0.82, 1.40) 0.63
Supervisor 0.91 (0.62, 1.32) 0.60