Table 2.
Change in major outcome variables from baseline to 3, 8, and 12-month time points for all five experimental conditions at each time point
| |
Food habits questionnaire (Fat behaviors) |
Total leisure activity score (Physical activity) |
BMI (kg/m2) |
Weight (kg) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Follow-up Month | 3 | 8 | 12 | 3 | 8 | 12 | 3 | 8 | 12 | 3 | 8 | 12 |
| ITV + TS |
−0.29 (0.32)de |
−0.23 (0.36)e |
−0.28 (0.33)e |
11.16 (31.0)e |
−0.15 (35.9) |
−6.58 (42.2)d |
−0.25 (1.0)e |
−0.12 (1.2) |
0.10 (1.6) |
−0.60 (2.6)e |
−0.31 (3.3) |
0.20 (4.4) |
| ITV |
−0.15 (0.31)e |
−0.17 (0.29)e |
−0.16 (0.25) |
11.89 (64.3)e |
6.48 (41.5) |
0.78 (43.4) |
−0.19 (1.1) |
−0.39 (1.5) |
−0.36 (1.5) |
−0.51 (2.9) |
−1.08 (3.8) |
−1.02 (4.1) |
| PTV & TS |
−0.08 (0.38)e |
−0.09 (0.36) |
−0.19 (0.37)e |
2.4 (41.7) |
−1.8 (43.8) |
−1.09 (39.3) |
−0.33 (1.2)e |
0.01 (2.0) |
−0.26 (3.8) |
−0.88 (3.2)e |
0.04 (5.3) |
−0.71 (10.6) |
| PTV |
−0.12 (0.30)ae |
−0.17 (0.32)e |
−0.31 (0.29)e |
6.15 (37.3) |
4.07 (36.4) |
10.52 (33.0)ae |
−0.20 (1.2) |
0.03 (1.6) |
0.18 (1.5) |
−0.60 (3.0) |
0.04 (4.2) |
0.45 (4.0) |
| Wait-list Comparison |
0.00 (0.34)abcd |
−0.08 (0.33)abd |
−0.12 (0.32)acd |
−3.88 (36.8)ab |
−0.59 (39.8) |
−1.51 (34.3)d |
0.16 (0.90)ac |
0.10 (1.36) |
0.04 (1.6) |
0.46 (2.4)ac |
0.30 (3.63 |
0.16 (4.2) |
| P-value (Group difference) | <.0001 | .0306 | .0121 | .2255 | .6730 | .0594 | .1416 | .4951 | .7247 | .1083 | .4478 | .7457 |
Footnotes: ITV interactive television, PTV passive television, TS telephone support.
p < .05 different from group as follows: adifferent from ITV + TS, bdifferent from ITV, cdifferent from PTV + TS, ddifferent from PTV, eComparison.
All data show include imputation for missing follow-up data using the baseline carried forward method.