Table 2.
Baseline covariates by level of community engagement (None, Passive, Both) in the analytic sample (N=399).
| Overall (N=399) | None (N=145) | Passive (N=82) | Both (N=172) | P-value | |
|---|---|---|---|---|---|
| Demographic Variables | |||||
| Women; N (%) | 211 (52.9) | 63 (43.4) | 42 (51.2) | 106 (61.6) | .005 |
| Age (years); mean (SD) | 37.3 (11.2) | 37.2 (12.1) | 38.3 (11.5) | 36.9 (10.4) | .646 |
| Race, White; N (%) | 350 (87.7) | 124 (85.5) | 71 (86.6) | 155 (90.1) | .434 |
| Ethnicity, Hispanic; N (%) | 10 (2.51) | 3 (2.07) | 1 (1.22) | 6 (3.49) | .598a |
| Education, some college or more; N (%) | 318 (79.7) | 115 (79.3) | 65 (79.3) | 138 (80.2) | .974 |
| Employment, Full time; N (%) | 271 (67.9) | 99 (68.3) | 60 (73.2) | 112 (65.1) | .435 |
| Household income, less than $50,000; N (%) | 219 (55) | 79 (54.5) | 44 (53.7) | 96 (56.1) | .921 |
| Marital status, married/ cohabitating; N (%) | 247 (61.9) | 94 (64.8) | 47 (57.3) | 106 (61.6) | .532 |
| No. of people in household; mean (SD) | 2.88 (1.51) | 2.92 (1.44) | 2.65 (1.25) | 2.96 (1.66) | .485a |
| Used Internet for more than 5 years; N (%) | 333 (83.5) | 118 (81.4) | 66 (80.5) | 149 (86.6) | .328 |
| Online communication, at least daily; N (%) | 164 (41.1) | 48 (33.1) | 30 (36.6) | 86 (50.0) | .006 |
| Smoking Variables | |||||
| Cigarettes per day; mean (SD) | 20.9 (10.2) | 20.8 (11.3) | 20.9 (9.6) | 21.0 (9.4) | .589a |
| FTND; mean (SD) | 5.28 (2.35) | 5.08 (2.39) | 5.41 (2.41) | 5.38 (2.29) | .453 |
| First puff age (years); mean (SD) | 14.1 (3.55) | 13.9 (3.40) | 14.6 (3.79) | 14.0 (3.56) | .352 |
| Daily smoking age (years); mean (SD) | 17.1 (3.91) | 17.0 (4.55) | 17.3 (3.51) | 17.0 (3.50) | .872 |
| No. of quit attempts past year; mean (SD) | 2.87 (6.27) | 3.33 (4.81) | 2.16 (2.61) | 2.83 (8.27) | .370a |
| Desire to quit (1–10); mean (SD) | 9.15 (1.19) | 9.12 (1.31) | 9.02 (1.07) | 9.23 (1.16) | .432 |
| Confidence in quitting (1–10); mean (SD) | 6.24 (2.27) | 5.89 (2.34) | 6.32 (2.56) | 6.49 (2.02) | .060 |
| Smoking Temptations Inventory; mean (SD) | 3.96 (0.51) | 3.93 (0.52) | 3.95 (0.57) | 3.98 (0.46) | .576 |
| Smoking Situations Confidence Inventory; mean (SD) | 2.8 (0.60) | 2.7 (0.60) | 2.72 (0.55) | 2.92 (0.60) | .001 |
| Other types of tobacco use; N (%) | 33 (8.29) | 14 (9.66) | 11 (13.4) | 8 (4.68) | .047 |
| Smokers in house; N (%) | 70 (17.5) | 29 (20.0) | 13 (15.9) | 28 (16.3) | .620 |
| Motivation to quit (next 30 days); N (%) | 349 (87.5) | 120 (82.8) | 67 (81.7) | 162 (94.2) | .002 |
| No. of quit methods past year; mean (SD) | 2.4 (1.96) | 2.3 (2.05) | 2.6 (1.80) | 2.5 (1.96) | .305a |
| Psychosocial Variables | |||||
| CES-D; mean (SD) | 9.69 (5.63) | 9.90 (5.87) | 9.27 (5.46) | 9.73 (5.52) | .719 |
| Cohen Stress Scale; mean (SD) | 6.27 (3.25) | 6.47 (3.57) | 6.10 (3.31) | 6.18 (2.94) | .638 |
| Weight Concern Scale; mean (SD) | 4.73 (2.43) | 4.54 (2.48) | 4.83 (2.46) | 4.83 (2.38) | .530 |
| PIQ – Positive subscale; mean (SD) | 9.7 (2.3) | 9.58 (2.36) | 9.67 (2.29) | 9.82 (2.26) | .638 |
| PIQ – Negative subscale; mean (SD) | 5.67 (4.16) | 5.49 (4.28) | 6.16 (3.69) | 5.58 (4.28) | .481 |
| Medical History | |||||
| Body Mass Index; mean (SD) | 26.9 (5.9) | 26.8 (5.5) | 27.2 (5.7) | 26.9 (6.4) | .911 |
| Alcohol use (yes); N (%) | 283 (70.9) | 98 (67.6) | 63 (76.8) | 122 (70.9) | .338 |
| Drug use (yes); N (%) | 59 (14.8) | 30 (20.7) | 12 (14.6) | 17 (9.88) | .026 |
| History of depression; N (%) | 120 (30.1) | 34 (23.4) | 25 (30.5) | 61 (35.5) | .067 |
| History of respiratory disease; N (%) | 63 (15.8) | 22 (15.2) | 10 (12.2) | 31 (18.0) | .476 |
| History of high blood pressure; N (%) | 60 (15.0) | 25 (17.2) | 14 (17.1) | 21 (12.2) | .388 |
a
P-values calculated using Fisher's Exact test for categorical variables with low cell counts and Kruskal-Wallis test for skewed continuous variables.
FTND: Fagerström Test for Nicotine Dependence; CES-D: Center for Epidemiologic Studies, Depression Scale; PIQ: Partner Interaction Questionnaire.