Table 2.
Comparison of weight outcomes over time for MI versus control groups
| Baseline | End of BWLP | 6-month follow-up | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outcome measure | Unadjusted | Adjusteda | Effect size | Unadjusted | Adjusteda | Effect size | ||||||
| M | SD | M | SD | M | SE | M | SD | M | SE | |||
| Weight (kg) | ||||||||||||
| MI Group | 95.11 | 21.45 | 91.32 | 20.78 | 89.02 | .43 | +.045 | 95.08 | 22.83 | 91.26 | .42 | +.009 |
| Control group | 90.34 | 19.46 | 85.77 | 16.65 | 90.09 | .45 | 87.47 | 17.29 | 91.59 | .45 | ||
MI motivational interviewing, BWLP behavioral weight-loss program
aMean values calculated with baseline value as covariate. LMM effect size calculated as dGMA-RAW = estimated coefficient(time)/SDRAW [39]. (+) effect size favors MI group