Table 1.

Demographics of the Study Sample for Those Randomized and Who Completed Training, by Group Assignment.

	Mail		In-person		Web
	Randomized N = 255	Completed N = 170	Randomized N = 314	Completed N = 234	Randomized N = 329	Completed N = 143
Age (years) (mean years ± SD)	43.5±13.9	44.9±13.9	42.2±14.4	44.2±14.2	43.4±14.4	44.7±13.4
Sex	% (N)		% (N)		% (N)
Female	74.5 (190)	77.6 (132)	79.9 (251)	79.9 (187)	75.7 (249)	79.7 (114)
Male	25.5 (65)	22.4 (38)	20.1 (63)	20.1 (47)	24.3 (80)	20.3 (29)
Ethnicity/Race (*non-Hispanic)
White*	63.1 (161)	68.8 (117)	71.0 (223)	71.8 (168)	71.7 (236)	83.9 (120)
Hispanic (all races)	24.3 (62)	17.6 (30)	18.5 (58)	15.8 (37)	17.0 (56)	9.1 (13)
Black*	6.7 (17)	7.6 (13)	3.8 (12)	4.3 (10)	6.1 (20)	3.5 (5)
Native American*	2.4 (6)	2.9 (5)	1.6 (5)	2.1 (5)	1.2 (4)	1.4 (2)
Asian/Pacific Islander	.8 (2)	0.6 (1)	2.5 (8)	3.0 (7)	1.2 (4)	2.1 (3)
Other race*	2.7 (7)	2.9 (4)	2.5 (8)	3.0 (7)	2.7 (9)	-
Education
High school graduate /GED	5.5 (14)	3.5 (6)	7.0 (22)	7.3 (17)	7.3 (24)	4.2 (6)
Some college	31.4 (80)	25.3 (43)	37.6 (118)	35.0 (82)	31.3 (103)	28.0 (40)
Associate’s degree	14.4 (36)	14.1 (24)	12.1 (38)	11.5 (27)	10.0 (33)	11.2 (16)
Bachelor’s degree	27.8 (71)	32.9 (56)	25.5 (80)	26.5 (62)	31.0 (102)	31.5 (45)
Post baccalaureate degree	19.2 (13)	21.8 (37)	15.3 (48)	17.5 (41)	17.7 (58)	22.4 (32)
Occupation
Helping professions	27.1 (69)	27.6 (47)	29.3 (92)	26.9 (63)	25.2 (83)	28.7 (41)
Business & services	18.4 (47)	14.1 (24)	18.2 (57)	20.9 (49)	20.4 (67)	17.5 (25)
Health care	19.6 (50)	18.8 (32)	18.8 (59)	20.9 (49)	17.0 (56)	22.4(32)
Other	17.3 (44)	21.2 (36)	16.2 (51)	21.2 (40)	16.1 (53)	15.4 (22)
Student	13.7 (35)	14.1 (24)	14.6 (46)	14.1 (29)	15.8 (52)	12.6 (18)
Previously conducted a BI	56.9 (145)	58.8 (100)	55.7 (175)	59.4 (139)	56.5 (186)	56.6 (81)