Table 4.

Associations between Characteristics and Duration of Nurse Talk (Multivariate Results)

	b	SE	t-value	p-value
Baseline Nurse Characteristics
Credentials- Diploma or Associate Degree	−0.494	0.322	−1.54	.132
Years in Critical Care Practice (Linear)	0.027	0.033	0.83	.411
Years in Critical Care Practice (Quadratic)	−0.003	0.002	−1.70	.096
Baseline Patient Clinical Characteristics
Days Intubated Prior to Enrollment (Linear)	−0.022	0.008	−2.78	.007
Days Intubated Prior to Enrollment (Quadratic)	<0.001	<0.001	2.50	.016
Session-Dependent Patient Clinical Characteristics
RASS- Sedated or Agitated	−0.290	0.240	−1.21	.228
GCS- Score ≤14	−0.610	0.325	−1.88	.062

Note: Variable (Referent)- Gender (Female), Race (Black), CAM-ICU (Delirium Absent), RASS (Calm), GCS (Score of 15), Type of Intubation (Tracheostomy)

Abbreviations: APACHE- Acute Physiology and Chronic Health Evaluation, CAM-ICU- Confusion Assessment Method for the ICU, RASS- Richmond Agitation and Sedation Scale, GCS- Glasgow Coma Scale