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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: J Occup Environ Hyg. 2018 Dec;15(12):803–809. doi: 10.1080/15459624.2018.1515490

Table 2.

Multiple regression model of overall SWPF predicted from fit test exercises.

Model Coefficient Standard Error p-value
Intercept 16.32 20.92 0.45
Normal Breathing 0.56 0.11 <0.001
Head Up and Down −0.30 0.10 <0.01
Talking 0.58 0.13 <0.001