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.

Risica et al.

Risica et al. International Journal of Behavioral Nutrition and Physical Activity 2013 10:141   doi:10.1186/1479-5868-10-141

Open Data