Table 3.

—Results From Multivariable Regression Analyses on Caregiver CES-D and ARS Scores at 2, 6, and 12 Months After the Initiation of Mechanical Ventilation

Independent Variables by Time Point	CES-D		ARS
	Coefficient (SE)	P Value	Coefficient(SE)	P Value
2 mo
Patient education   ≥ 12th grade	…	…	7.09  (2.50)	< .01
Male patient	−1.66  (0.51)	< .01	−7.29  (2.35)	< .01
6 mo
No significant variables	…	…	…	…
12 mo
Tracheostomy	1.26  (0.49)	.01	0.56  (0.23)	.02
Male patient	−1.02  (0.50)	.05	−0.73  (0.23)	< .01
Functional dependencya	…	…	0.73  (0.34)	.03

ADL = Activities of Daily Living; IADL = Instrumental ADL. See Table 2 for expansion of other abbreviations.

^aADL > 0 or IADL > 0.