TABLE 1—

Baseline Characteristics of Vietnamese American Participants by Study Arm: Santa Clara County, CA, 2008–2013

Characteristics	Intervention Group, % (n = 320)	Control Group, % (n = 320)	Pa
Gender, womanb	50.0	50.0	≥ .99
Age, y
50–64	67.8	75.0	.18
65–74	32.2	25.0
Lived in US, y
≤ 10	39.1	37.7	.79
> 10	60.9	62.3
English proficiency
Fluent or good	8.4	4.4	.09
So-so	19.7	24.8
Not very good or not at all	71.9	70.9
Education
≤ elementary school	22.4	19.1	.6
Junior high or some high school	22.1	17.9
High school graduate or general equivalency diploma	20.2	22.9
Some college	25.3	29.2
≥ college graduate	9.9	11.0
Employment
Employed	26.9	27.2	.95
Unemployed, homemaker, student, retired, or disabled	73.1	72.8
Marital status
Married or living with partner	64.1	62.2	.69
Separated, widowed, divorced, or never married	35.9	37.8
Health insurance
None	30.9	29.4	.3
Indigent care from county	10.9	16.3
Medicare or MediCal (Medicaid)	42.8	41.3
Private	15.3	13.1
Annual household income, $
< 10 000	17.8	15.3	.14
10 000–19 999	20.3	24.1
20 000–39 999	10.9	16.3
> 40 000	12.5	9.7
Don’t know or refused	38.4	34.7
Self-perceived health status
Excellent, very good, or good	49.7	38.4	.02
Fair, poor, or don’t know	50.3	61.6
Had a particular place for health care	61.3	55.9	.22
Had a personal doctor	71.2	69.1	.64
Personal doctor was Vietnamesec	90.8	92.8	.46

^aP values are from generalized estimating equation models that account for clustering of participants by lay health workers.

^bEqual numbers of men and women by design.

^cAmong those who had a personal doctor.