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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Intensive Crit Care Nurs. 2012 Dec 8;29(3):121–127. doi: 10.1016/j.iccn.2012.11.001

Table 2.

Summary of Mixed Models Analysis of Cortisol and Covariates

Parameter β (se(β)) p-value
Day .79(1.3) .54
Baseline cortisol .69(.11) <.001
+PDM -1.9(18.9) .92
#HP -5.3(16.4) .75
PDM*day -3.6(2.6) .17
HP*day -1.2(1.8) .51
Female -5.0(12.0) .68
^APACHE III -.32(.34) .35

Note: +PDM = patient-directed music; #HPs = headphones; ^APACHE = acute physiology, age, and chronic health evaluation