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. Author manuscript; available in PMC: 2009 Jun 1.
Published in final edited form as: J Appl Physiol (1985). 2008 Apr 17;104(6):1618–1624. doi: 10.1152/japplphysiol.00045.2008

Table 3.

Multivariable regression models for passive Pcrit in entire study sample

Model 1
 Model 2
β 95 % CI P Value β 95 % CI P Value
Sex 2.63 1.75-3.51 <0.001 1.81 0.61-3.00 0.003
Age (per 10 yr) 0.52 0.10-0.93 0.015 0.54 0.13-0.95 0.011
BMI (per 10 kg/m2) 1.40 1.01-1.78 <0.001 0.93 0.34-1.53 0.002
Sex × BMI 0.78 0.00-1.56 0.048

Passive Pcrit, pharyngeal critical pressure under hypotonic conditions; CI, confidence interval.