Table 4.
Analysis of Change in Self-Report Measures over Time
| Measures | MTS Group (n = 38) | Control Group (n = 43) | ANCOVA Model Effects | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
Baseline
mean(sd) |
4-week
mean(sd) |
24-weeks
mean(sd) |
Baseline
mean(sd) |
4-weeks
mean(sd) |
24-weeks
mean(sd) |
Group
F statistic, sig |
Time
F statistic, sig |
Time × Group
F statistic, sig |
|
| Difficulty with Emotion Regulation Scale |
2.18 (.57) | 1.96 (.51) | 1.90 (.63) | 1.95 (.50) | 2.00 (.53) | 1.98 (.56) | F(1,78) = .41, p = .52 | F(2,78) = 4.89, p = .01 | F(2,78) = 5.65, p < .001* |
| Attentional Control Scale | 2.52 (.37) | 2.76 (.42) | 2.76(.41) | 2.77 (.36) | 2.78 (.39) | 2.73 (.39) | F(1,78) = .69, p = .41 | F(2,78) = 7.29, p < .001* | F(2,78) = .8.43, p < .001* |
| Five Facet Mindfulness Questionnaire FFMQ |
3.30 (.50) | 3.65 (.54) | 3.62 (.58) | 3.52 (.46) | 3.56 (.56) | 3.49 (.45) | F(1,78) = .15, p = .70 | F(2,78) = 7.34, p < .001* | F(2,78) = 10.22, p < .001* |
| FFMQ subscale: Non-judging |
3.20 (.91) | 3.87 (.79) | 3.62 (.90) | 3.74 (.75) | 3.82 (.75) | 3.54 (.73) | F(1,78) = .33, p = .57 | F(2,78) = 2.55, p = .08 | F(2,78) = 7.19, p < .001* |
| FFMQ subscale: Observing |
3.51 (.75) | 3.68 (.65) | 3.72 (.65) | 3.33 (.74) | 3.15 (.72) | 3.38 (.72) | F(1,78) = 5.51, p = .02 | F(2,78) = 2.83, p = .06 | F(2,78) = 3.52, p = .03 |
| FFMQ subscale: Non- reactivity |
3.15 (.61) | 3.51 (.56) | 3.51 (.63) | 3.31 (.58) | 3.35 (.77) | 3.42 (.63) | F(1,78) = .09, p = .77 | F(2,78) = 7.96, p < .001* | F(2,78) = 3.59, p = .03 |
| FFMQ subscale: Describing |
3.54 (.81) | 3.69 (.87) | 3.76 (.82) | 3.75 (.90) | 3.77 (.72) | 3.64 (.70) | F(1,78) = .47, p = .49 | F(2,78) = 2.45, p = .09 | F(2,78) = 4.57, p = .01 |
| FFMQ subscale: Acting with Awareness |
3.08 (.79) | 3.40 (.70) | 3.38 (.68) | 3.54 (.66) | 3.63 (.66) | 3.47 (.66) | F(1,78) = 4.58, p = .04 | F(2,78) = 3.50, p = .03 | F(2,78) = 5.49, p = .01 |
1
Mixed ANCOVAs were computed controlling for abstinence status. The analysis includes participants with data from all three assessment visits.
*
Values with asterisk are statistically significant after Bonferroni correction. Values without asterisk are not significant after Bonferroni correction.