Table 2:

Adjusted Mean Difference in the Number and Quality of Conversations about Aging-Related Concerns in Pre-Frail and Frail vs Robust Patients and Usual-Care vs GA-Intervention Patients

		Adjusted Mean Difference in Pre-Frail and Frail compared to Robust Patients				Adjusted Mean Difference in GA-Intervention compared to Usual-Care in Robust, Pre-Frail, and Frail Patients		pValue of Interaction (frailty status*study arm)
		Usual-Care		GA-Intervention
		Difference (95% CI)	pValue	Difference (95% CI)	pValue	Difference (95% CI)	pValue
		# Conversations	Robust	ref	-	ref	-		3.27 (1.68 to 4.86)	0.0002
Pre-Frail	0.83 (−0.21 to 1.87)		0.1197	1.31 (0.37 to 2.25)	0.0067	3.75 (2.32 to 5.18)	0.0001	0.6111
Frail	1.73 (0.59 to 2.87)		0.0031	2.49 (1.51 to 3.47)	<0.0001	4.03 (2.50 to 5.56)	0.0001
# Concerns Acknowledged	Robust	ref	-	ref	-	2.08 (1.04 to 3.12)	0.0002
	Pre-Frail	0.79 (−0.03 to 1.61)	0.0624	0.58 (−0.13 to 1.29)	0.1077	1.87 (0.97 to 2.77)	0.0002	0.7397
	Frail	1.12 (0.24 to 2.00)	0.0145	1.31 (0.56 to 2.06)	0.0006	2.27 (1.29 to 3.25)	<0.0001
# Concerns Addressed	Robust	ref	-	ref	-	2.03 (0.87 to 3.19)	0.0013
	Pre-Frail	0.2 (−0.41 to 0.81)	0.5232	0.3 (−0.23 to 0.83)	0.2634	2.13 (1.05 to 3.21)	0.0005	0.9403
	Frail	0.71 (0.04 to 1.38)	0.0382	0.87 (0.32 to 1.42)	0.0021	2.19 (1.07 to 3.31)	0.0005

Geriatric Assessment (GA), Confidence Intervals (CI)

Models included the study arm, frailty status, and interaction term between frailty status and study arm as a fixed effect and practice site as a random effect independent of residual error