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. Author manuscript; available in PMC: 2018 Jul 16.
Published in final edited form as: Contemp Clin Trials. 2018 May 19;70:72–82. doi: 10.1016/j.cct.2018.05.011

Table 3.

Baseline participant characteristics

Range for Scale Scores Summary Statistics
C+NRT (n=185) Counseling (n=93) All (n=278)
DEMOGRAPHIC CHARACTERISTICS
Age, mean(SD) 48.6 (11.6) 49.0 (11.8) 48.7 (11.7)
Gender, n (%)
 Female 94 (50.8) 47 (50.5) 141 (50.7)
 Male 91 (49.2) 46 (49.5) 137 (49.3)
Cohabitation Status, n (%)
 Married or living with a partner 48 (26.0) 17 (18.3) 65 (23.4)
Employment Status, n (%)
 Employed full-time 45 (24.3) 29 (31.2) 74 (26.6)
 Employed part-time or seasonally 37 (20.0) 20 (21.5) 57 (20.5)
 Not currently employed 63 (34.1) 34 (36.6) 97 (34.9)
 Retired 27 (14.6) 4 (4.3) 31 (11.2)
 Student/Homemaker 13 (7.0) 6 (6.5) 19 (6.8)
Education Level, n (%)
 Less than high school (HS) graduate 27 (14.6) 13 (14.0) 40 (14.4)
 HS graduate or HS equivalent (GED) 53 (28.7) 23 (24.7) 76 (27.3)
 Some college or tech school 75 (40.5) 45 (48.4) 120 (43.2)
 College graduate or higher 30 (16.2) 12 (12.9) 42 (15.1)
Health Insurance that Pays for Most Medical Care, n (%)
 No 39 (21.1) 26 (28.0) 65 (23.4)
 Yes 146 (78.9) 67 (72.0) 213 (76.6)
Household Income in Thousands, mean (SD) 26.9 (24.3) 28.8 (31.7) 27.5 (2.7)
 Refused/Don’t Know 18 (9.7) 14 (15.1) 32 (11.5)
Number of people in household, including self, mean (SD) 2.3 (1.6) 2.5 (1.7) 2.4 (1.7)
Poverty level, n (%)
 Missing 18 (9.7) 14 (15.1) 32 (11.5)
 ≤100 79 (42.7) 38 (40.9) 117 (42.1)
 101–200 41 (22.2) 20 (21.5) 61 (21.9)
 201–250 17 (9.2) 8 (8.6) 25 (9.0)
 251–300 8 (4.3) 4 (4.3) 12 (4.3)
 301–400 10 (5.4) 2 (2.2) 12 (4.3)
 > 400% 12 (6.4) 7 (7.5) 19 (6.8)
Housing, n (%)
 Own a home 25 (13.5) 7 (7.5) 32 (11.5)
 Rent or stay with others 160 (86.5) 86 (92.5) 246 (88.5)
Perceived Health, n (%)
 Good, Fair, or Poor 142 (76.8) 71 (76.3) 213 (76.6)
 Very good/Excellent 43 (23.2) 22 (23.7) 65 (23.4)
Height in inches, mean(SD) 67.6 (3.9) 67.1 (3.6) 67.4 (3.8)
Weight in pounds, mean(SD) 203.5 (57.7) 202.0 (58.4) 203.0 (57.8)
BMI, mean(SD) 31.3 (8.7) 31.7 (9.8) 31.5 (9.1)

TOBACCO USE CHARACTERISTICS
Age when you started smoking regularly, mean (SD) 21.0 (8.2) 22.5 (9.9) 21.5 (8.8)
Days smoked cigarettes in last 30, mean (SD) 10.6 (3.9) 10.4 (3.9) 10.6 (3.9)
Number of cigarettes used on days smoked, mean (SD) 4.8 (3.6) 4.4 (3.2) 4.7 (3.5)
Non-daily smoker type, n (%)
 Native (i.e., always been a non-daily smoker) 55 (29.7) 24 (25.8) 79 (28.4)
 Converted (i.e., formerly a daily smoker) 130 (70.3) 69 (74.2) 199 (71.6)
Length of time as a non-daily smokers in years, mean (SD) 6.9 (9.7) 7.1 (10.4) 7.0 (9.9)
Length of time as a non-daily smoker by category, n (%)
 3–6 months 26 (14.1) 7 (7.5) 33 (11.9)
 7–11 months 28 (15.1) 11 (11.8) 39 (14.0)
 12 months or greater 131 (70.8) 75 (80.7) 206 (74.1)
Reasons for smoking some but not all days, n (%) [check all that apply]
 Health 96 (51.9) 41 (44.1) 137 (49.3)
 Trying to cut back or quit 158 (85.4) 74 (80.0) 232 (83.5)
 Cost/can’t afford to smoke more 84 (45.4) 51 (54.8) 135 (48.6)
 Don’t have strong cravings or urges to smoke more 113 (61.1) 49 (52.7) 162 (58.3)
 Have control over smoking; can chose when and when not to smoke 107 (57.8) 47 (50.5) 154 (55.4)
 Only smoke in certain situations 154 (83.2) 81 (87.1) 235 (84.5)
 Because those around you disapprove 67 (36.2) 34 (36.6) 101 (36.3)
Use of other tobacco products in the past 30 days, n (%) yesa 58 (31.3) 36 (38.7) 94 (33.8)
Number of days used other tobacco products 4.9 (4.5) 4.4 (4.6) 4.7 (4.5)
Average amount used per day 2.1 (1.6) 1.6 (1.0) 1.9 (1.5)
Menthol smoker, n (%)
 Non-Menthol 35 (18.9) 14 (15.1) 49 (17.6)
 Menthol 150 (81.1) 79 (85.0) 229 (82.4)
Nicotine Dependence, “How soon after waking do you first smoke,” n (%)
 After 30 minutes 100 (54.1) 51 (54.8) 151 (54.3)
 Within 30 minutes 85 (46.0) 42 (45.2) 127 (45.7)
Withdrawal, mean(SD) 0–32 10.3 (7.0) 11.7 (7.5) 10.8 (7.2)
Craving, mean(SD) 10–70 24.5 (15.2) 25.7 (14.9) 24.9 (15.1)
Dependence Motives (WISDM Brief)b, mean (SD)
  Total 11–77 32.6 (12.3) 33.3 (12.5) 32.8 (12.4)
  Primary dependence motives 1–7 3.2 (1.4) 3.2 (1.4) 3.2 (1.4)
  Secondary dependence motives 1–7 2.8 (1.1) 2.9 (1.1) 2.9 (1.1)

SOCIAL INFLUENCES ON SMOKING
Social Smoking, “In the past 30 days, did you smoke…” n (%)
  Mainly when with others 53 (28.7) 22 (23.7) 75 (27.0)
  Mainly when alone 65 (35.1) 38 (40.9) 103 (37.1)
  As often alone as with others 67 (36.2) 33 (35.5) 100 (36.0)
Number of your five best friends smoke, mean(SD) 0–5 3.0 (1.6) 2.9 (1.7) 3.0 (1.6)
Number of smokers in the home (including self), mean(SD) 1.9 (7.2) 1.8 (3.1) 1.9 (6.1)
Partner smoking status, n (%)
 No partner/spouse 79 (42.7) 46 (49.5) 125 (45.0)
 Partner/spouse is a non-smoker 42 (22.7) 22 (23.7) 64 (23.0)
 Partner/spouse is a smoker 64 (34.6) 25 (26.9) 89 (32.0)

QUITTING HISTORY
Number of 24 hour quit attempts in past year, mean (SD) 7.3 (28.2) 5.7 (15.6) 6.8 (24.7)
Longest quit attempt in the past year, mean (SD) in months 1.1 (1.7) 1.3 (1.8) 1.1 (1.7)
Use of quitting aids (i.e., behavioral or pharmacological), n (%) ever 103 (55.7) 54 (58.1) 157 (56.5)

DEPRESSIVE SYMPTOMOLOGY, ALCOHOL, MARIJUANA, AND PRESCRIPTION PAIN USE
Depressive symptoms (PHQ-2 ≥ 3), n (%) 0–6 39 (21.1) 23 (24.7) 62 (22.3)
Alcohol misuse (AUDIT-C ≥ 3 for women and ≥ 4 for men), n (%) 91(49.2) 47 (50.5) 138 (49.6)
Marijuana, n (%) of participants who used in the past 30 days 56 (30.3) 23 (24.7) 79 (28.4)
 Refused 0 (0.0) 1 (1.1) 1 (0.4)
Prescription pain relievers, n (%) of participants who used in the past 30 days 75 (40.5) 33 (35.5) 108 (38.9)
a

Daily users of non-cigarette other tobacco products, not including electronic cigarettes, were excluded at eligibility screening

b

Primary dependence motives include automaticity, craving, loss of control, and tolerance. Secondary dependence motives include affective enhancement, affiliative attachment, cognitive enhancement, cue exposure, social/environmental goads, taste, and weight control. Total dependence motives are a sum of all 11 subscales.