Table 2. Characteristics of Patients Enrolled in the Randomized Controlled Trial (n = 560) and Those Who Did Not Complete the Trial (n = 154) by Study Arm

Patient Characteristics	Enrolled		Did Not Complete
Patient Characteristics	Control	Intervention	Control	Intervention
Mean age (years)	50.5	54.6	69.0	60.3
Female sex (%)	59	63	48	51
Minority group (%)	18.5	18.1	10	6.1
High school education (%)	54^*	45^*	82	90
Average risk factors per patient (n)	1.53	1.15	1.56	1.30
Active smokers (%)	15	17	25	19
Preventive service coverage at baseline (%)	41	37	26	31
Household income <$30,000 per year (%)	26^*	40^*	35^*	22^*

↵* P < .0001 for value pairs between control and intervention groups.