Table 4.

Baseline characteristics of eligible subjects according to treatment allocation

Variable	FD			ATEP			P valuea
	Number of subjects	Mean or percent	SE	Number of subjects	Mean or percent	SE
Age	123	42.22	1.03	112	40.88	1.21	0.40
Gender
Males	81	65.85		66	58.93		0.27
Females	42	34.15		46	41.07
Race
Caucasian	102	82.93		91	81.98		0.44
Hispanic	5	4.07		7	6.31
African American	8	6.50		7	6.31
Asian	8	6.50		4	3.60
Other	0	0.00		2	1.80
Marital status
Married	74	60.16		66	58.93		1.00
Divorced	20	16.26		19	16.96
Widowed	3	2.44		3	2.68
Never married	26	21.14		24	21.43
Education
<High school diploma	3	2.44		4	3.60		0.43
High school diploma	53	43.09		53	47.75
Trade or technical school	18	14.63		16	14.41
Bachelors degree	32	26.02		31	27.93
MS/PhD/Other advanced degree	17	13.83		7	6.31
Employment category
Manual labor	42	34.15		32	28.57		0.60
Non-manual labor	66	53.66		63	56.25
Unemployed, retired	15	12.20		17	15.18
Total household income
<$20,000	6	4.96		16	15.09		0.07
$20,000–39,999	28	23.14		25	23.58
$40,000–59,999	36	29.75		27	25.47
≥$60,000	51	42.15		38	35.85

^aBased on t test or χ²