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. Author manuscript; available in PMC: 2015 Jul 31.
Published in final edited form as: Contemp Clin Trials. 2012 Apr 25;33(5):959–968. doi: 10.1016/j.cct.2012.04.009

Table 4.

Participant demographics.

Variable Total
(N = 1000)
N (%)
Self-Paced
(N = 495)
N (49.50%)
Counselor
(N = 505)
N (50.50%)
p-value
Age 39.2±13.9 39.1±14.2 39.3±13.7 0.80a
Gender 0.41b
 Male 423 (42.3) 203 (41.0) 220 (43.6)
 Female 577 (57.7) 292 (59.0) 285 (56.4)
Ethnicity 0.83b
 Hispanic or Latino 95 (9.5) 46 (9.3) 49 (9.7)
 Not Hispanic or Latino 905 (90.5) 449 (90.7) 456 (90.3)
Race 0.78b
 African American/Black 135 (13.5) 64 (13.0) 71 (14.1)
 American Indian/Alaskan native 29 (2.9) 15 (3.0) 14 (2.8)
 Asian/Pacific Islander 33 (3.3) 13 (2.6) 20 (4.0)
 White 749 (75.0) 375 (75.9) 374 (74.1)
 Other 53 (5.3) 27 (5.5) 26 (5.2)
Education 0.92c
 Did not finish elementary school 0 (0.0) 0 (0.00) 0 (0.0)
 Finished elementary school (6th grade) 2 (0.2) 1 (0.2) 1 (0.2)
 Jr. high School (8th grade) 2 (0.2) 1 (0.2) 1 (0.2)
 Some high school 25 (2.5) 12 (2.4) 13 (2.6)
 High school grad or G.E.D. 268 (26.8) 127(25.7) 141 (27.9)
 Vocational/training school after HS 13 (1.3) 8 (1.6) 5 (1.0)
 Some college or associate degree 517 (51.7) 256 (51.7) 261 (51.7)
 College graduate/baccalaureate degree 136 (13.6) 71 (14.3) 65 (12.9)
 Masters degree 35 (3.5) 17 (3.4) 18 (3.6)
 Doctoral degree 2 (0.2) 2 (0.4) 0 (0.0)
Military branch 0.85c
 Army 172 (17.3) 82 (16.7) 90 (17.9)
 army national guard 12 (1.2) 5 (1.0) 7 (1.4)
 Air Force 693 (70.0) 346 (70.3) 347 (69.0)
 Air national guard 31 (3.1) 18 (3.7) 13 (2.6)
 Navy 66 (6.6) 32 (6.5) 34(6.8)
 Marine Corp 14 (1.4) 5 (1.0) 9 (1.8)
 Coast Guard 7 (0.7) 4 (0.8) 3 (0.6)
Military status 0.65b
 Active duty 450 (45.0) 232 (46.9) 218 (33.2)
 Reservist 67 (6.7) 34 (6.9) 33 (6.5)
 Retiree 177 (17.7) 84 (17.0) 93 (18.4)
 Dependent family member 306 (30.6) 145 (29.3) 161 (31.9)
Years served 5.3±7.6 5.4±7.7 5.8±7.7 0.18d
Marital status 0.75c
 Never married 155 (15.5) 76 (15.4) 79 (15.7)
 Divorced/separated 151 (15.1) 77 (15.6) 74 (14.7)
 Widowed 26 (2.6) 16 (3.2) 10 (2.0)
 Presently married 658 (65.9) 321 (64.9) 337 (66.9)
 Living in marriage like relationship 9 (0.9) 5 (1.0) 4 (0.8)
Income 0.37b
 Less than $40,000 609 (61.0) 308 (62.4) 301 (59.6)
 $40,000 or more 390 (39.0) 186 (37.7) 204 (40.4)
Years smoked 18.7±13.2 18.7± 13.1 18.6±13.2 0.85d
Number of cigarettes 17.8±8.7 17.6±8.2 18.0±9.1 0.66d
Number of quit attempts 1.6±2.3 1.4±2.6 1.5±2.1 0.26d
Fagerstrom score 4.2±2.2 4.2±2.2 4.2±2.2 0.97d
a

t-test.

b

Chi-square test.

c

Fisher’s exact test.

d

Wilcoxon-Mann-Whitney test.