Table 1.
Baseline characteristics by latency to target quit date (TQD) relative to website registration date.
| Baseline variable | TQD, 0 days | TQD, 1-14 days | TQD, 15-28 days | TQD, 29+ days | P valuea | |||
| n=73 | n=161 | n=79 | n=114 | |||||
| Demographic variables b | ||||||||
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Age, (years), mean (SD) | 34.22 (10.37) | 36.99 (10.97) | 36.90 (9.98) | 38.61 (11.49) | .064 | ||
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Gender (Female), n (%) | 36 (49.3) | 84 (52.2) | 37 (46.8) | 53 (46.5) |
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Race, n (%) |
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.328 | ||
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White | 66 (90.4) | 145 (90.1) | 70 (88.6) | 95 (83.3) |
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Non-white | 7 (9.6) | 16 (9.9) | 9 (11.4) | 19 (16.7) |
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Ethnicity (Hispanic), n (%) | 1 (1.4) | 8 (5.0) | 3 (3.8) | 2 (1.8) | .363 | ||
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Education, n (%) |
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.040 | ||
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High school or less | 9 (12.3) | 33 (20.5) | 22 (27.8) | 37 (32.5) |
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Some college | 42 (57.5) | 76 (47.2) | 34 (43.0) | 43 (37.7) |
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College 4+ yrs | 22 (30.1) | 52 (32.3) | 23 (29.1) | 34 (29.8) |
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Employment, n (%) |
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.616 | ||
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Employed fulltime | 50 (68.5) | 114 (70.8) | 55 (69.6) | 87 (76.3) |
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Otherc | 23 (31.5) | 47 (29.2) | 24 (30.4) | 27 (23.7) |
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Income, n (%) |
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.409 | ||
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Low income (≤$40,000) | 33 (45.2) | 69 (42.9) | 36 (47.4) | 60 (53.1) |
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High income (>$40,000) | 40 (54.8) | 92 (57.1) | 40 (52.6) | 53 (46.9) |
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| Smoking variables | ||||||||
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Cigarettes per day, mean (SD) | 20.26 (10.15) | 18.75 (7.90) | 20.80 (9.32) | 19.61 (9.32) | .356 | ||
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Time to first cigarette, n (%) |
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|
.825 | ||
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Within 30 minutes | 57 (78.1) | 122 (75.8) | 57 (72.2) | 88 (77.2) |
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After 30 minutes | 16 (21.9) | 39 (24.2) | 22 (27.8) | 26 (22.8) |
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Duration of last quit attempt, n (%) |
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|
.497 | ||
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≤3 days | 34 (49.3) | 82 (55.0) | 44 (59.5) | 59 (60.2) |
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4+ days | 35 (50.7) | 67 (45.0) | 30 (40.5) | 39 (39.8) |
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Desire to quit, mean (SD) | 9.25 (1.08) | 9.07 (1.24) | 8.87 (1.25) | 8.95 (1.43) | .263 | ||
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Confidence in quitting, mean (SD) | 6.49 (2.09) | 6.48 (2.13) | 5.72 (2.28) | 6.16 (2.08) | .052 | ||
| Psychosocial variables | ||||||||
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Health status, n (%) |
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.558 | ||
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Excellent | 12 (16.4) | 13 (8.1) | 7 (8.9) | 11 (9.7) |
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Very good | 26 (35.6) | 63 (39.1) | 26 (32.9) | 40 (35.4) |
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Good | 20 (27.4) | 57 (35.4) | 31 (39.2) | 35 (31.0) |
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Fair/Poord | 15 (20.5) | 28 (17.4) | 15 (19.0) | 27 (23.9) |
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Illness caused by smoking, n (%) | 45 (61.6) | 105 (65.2) | 40 (51.3) | 59 (51.8) | .069 | ||
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Spouse smokes, n (%) | 20 (51.3) | 40 (42.6) | 23 (45.1) | 31 (48.4) | .787 | ||
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1+ smokers in house, n (%) | 17 (23.3) | 23 (14.3) | 11 (13.9) | 27 (23.7) | .103 | ||
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Temptations Inventory, mean (SD) | 4.00 (0.47) | 3.90 (0.49) | 3.90 (0.59) | 3.92 (0.52) | .567 | ||
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Confidence Inventory, mean (SD) | 2.88 (0.60) | 2.82 (0.57) | 2.67 (0.48) | 2.71 (0.57) | .045 | ||
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Perceived Stress Scale, mean (SD) | 6.10 (3.11) | 5.90 (2.91) | 6.25 (3.26) | 6.89 (3.18) | .067 | ||
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CES-D Scale, mean (SD) | 8.79 (5.78) | 8.73 (5.27) | 9.96 (6.12) | 10.31 (5.81) | .082 | ||
aNonparametric test (categorical) or ANOVA used.
bParticipants could refuse to answer a question or respond “I don’t know”. Income, n=423; duration of last quit attempt, n=390; health status, n=426; illness caused by smoking, n=426; spouse smokes, n=248 (asked only among individuals with spouse).
cIncludes part-time employment, retired, student, homemaker, and unemployed.
dCollapsed “Fair” and “Poor” categories due to small cell counts.