Table 3.
Change talk and relatedness across treatment groups.
| Change talk (CT) | ICC (95% CI) | GMI
|
TCC
|
t | p | d | ||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | |||||
| Desire | .99 (.99–1.0) | 8.67 | 10.21 | .13 | .35 | 2.06 | .03 | 1.22 |
| Ability | .99 (.97–.99) | 8.33 | 8.77 | 1.75 | 1.58 | 1.93 | .05 | 1.07 |
| Reasons | .97 (.84–.99) | 23.89 | 21.29 | 3.25 | 4.16 | 2.62 | .02 | 1.39 |
| Need | .87 (.44–.98) | 8.00 | 6.56 | 1.50 | 1.69 | 2.71 | .02 | 1.40 |
| Taking steps | .93 (.63–.99) | 4.56 | 3.71 | 1.88 | 2.03 | 1.71 | .09 | .93 |
| Commitment | .95 (.73–.99) | 3.11 | 3.72 | .88 | 1.64 | 1.56 | .14 | .80 |
| Total CT | .99 (.96–.99) | 56.11 | 48.93 | 9.31 | 6.92 | 2.54 | .02 | 1.38 |
| Relatedness | .99 (.92–.99) | 28.56 | 12.99 | 16.75 | 7.81 | 2.47 | .04 | 1.15 |
Note: ICC = intra-class correlation; GMI = group motivational interviewing; TCC = treatment control condition. Means correspond to frequency of each type of CT per group session.