Table 3.

Patients’ Characteristics as Obtained From the Postvisit Questionnaire, for Intervention Practices (n = 445 Patients) and Control Practices (n = 389 Patients)

Characteristic	Intervention Patients % or Mean	Control Patients % or Mean	P Value
^a χ² test.
^b Student t test for independent samples.
Sex (n)	(443)	(386)	.06^a
Male	68	62
Female	32	38
Age category (n)	(435)	(382)	.09^a
18–30 y	14	10
31–40 y	15	12
41–50 y	19	25
51–60 y	19	24
61–70 y	19	17
71–80 y	14	12
Racial identification (n)	(431)	(378)	.60^a
White	85	83
Black	10	12
Other/≥2 responses	4	5
Ethnic identification (n)	(431)	(378)	.002^a
Hispanic	10	4
Not Hispanic	90	96
Current marital status (n)	(434)	(383)	.048^a
Married	64	54
Living together	4	6
Separated	4	3
Divorced	10	14
Widowed	9	12
Never married	10	12
Employed full-time (n)	(434)	(383)	.21^a
Yes	44	40
No	56	60
Employed part-time (n)	(443)	(386)	.63^a
Yes	13	14
No	87	86
Retired (n)	(443)	(386)	.05^a
Yes	26	20
No	74	80
Educational attainment (n)	(432)	(384)	.02^a
<High school	11	16
High school graduate	33	28
Some college	30	27
College graduate	19	16
Postgraduate study	8	13
Years as patient of study physician (n)	3.07 (281)	3.37 (221)	.07^b
Source of insurance (n)	(433)	(380)	.07^a
Private	50	47
Medicare	31	27
Medicaid	6	8
Self-pay	8	13
Other	5	6