Table 2.
Mean of IAT D and Explicit Motivation Scores Across Time
| Variables | Total M (SD) | Quit attempt vs. no quit attempt | Cessation vs. no cessation | ||
|---|---|---|---|---|---|
| Quit attempt M (SD) | No quit attempt M (SD) | Cessation M (SD) | No cessation M (SD) | ||
| IAT D | |||||
| Baselinea | −0.16 (0.75) | −0.08 (0.75) | −0.27 (0.75) | −0.04 (0.67) | −0.19 (0.76) |
| W12b | −0.32 (0.71) | −0.35 (0.70) | −0.28 (0.74) | −0.50 (0.57) | −0.32 (0.72) |
| W26c | −0.32 (0.66) | −0.38 (0.66) | −0.23 (0.65) | −0.80 (0.32) | −0.28 (0.66) |
| IAT D change scores | |||||
| Baseline to W12b | −0.17 (0.95) | −0.27 (0.95) | −0.01 (0.96) | −0.47 (0.96) | −0.13 (0.96) |
| Baseline to W26c | −0.15 (0.99) | −0.27 (1.03) | 0.03 (0.91) | −0.76 (0.83) | −0.09 (0.98) |
| Explicit motivation | |||||
| Baselinea | 2.52 (11.56) | 0.48 (11.39) | 5.53 (11.21) | 6.20 (9.14) | 2.32 (11.76) |
| W12b | −3.09 (13.16) | −7.31 (12.51) | 3.22 (11.52) | −3.89 (12.30) | −2.73 (13.11) |
| W26c | −3.79 (12.57) | −8.03 (11.28) | 2.24 (11.87) | −5.00 (18.40) | −3.63 (12.29) |
| Explicit motivation change scores | |||||
| Baseline to W12b | −5.55 (11.27) | −7.78 (11.79) | −2.20 (9.57) | −10.56 (19.40) | −4.97 (10.40) |
| Baseline to W26c | −6.60 (11.74) | −8.79 (12.19) | −3.49 (10.37) | −11.20 (22.40) | −6.26 (10.80) |
IAT = Implicit Association Test; W12 = week 12; W26 = week 26.
aIn this row: total N = 210, quit attempt n = 125, no quit attempt n = 85, cessation n = 10, no cessation n = 194.
bIn this row: total N = 207, Quit attempt n = 124, no quit attempt n = 83, cessation n = 9, no cessation n = 192.
cIn this row: total N = 199, quit attempt n = 117, no quit attempt n = 82, cessation n = 10, no cessation n = 190.