Table 3.
Model Results | |||||
---|---|---|---|---|---|
Fixed Effect | Estimate* | Standard Error | DF | t Value | p |
Factors Associated with Baseline Weight | |||||
Intercept | 162.75 | 5.1925 | 333 | 31.34 | <.0001 |
Smoking status (between) | 2.6848 | 5.2183 | 333 | 0.51 | 0.6072 |
Sex (female) | −23.2569 | 3.4758 | 333 | −6.69 | <.0001 |
Education level | 2.2454 | 1.2552 | 333 | 1.79 | 0.0745 |
Obesity | 69.1617 | 3.5086 | 333 | 19.71 | <.0001 |
Weight concern (much) | 11.7413 | 4.0412 | 333 | 2.91 | 0.0039 |
Predictors of Change in Weight Over Time | |||||
Time (Months) | 0.5811 | 0.2545 | 934 | 2.28 | 0.0226 |
Time (Months2) | −0.04483 | 0.01294 | 934 | −3.47 | 0.0006 |
Smoking status (within) | 0.7747 | 0.4252 | 934 | 1.82 | 0.0688 |
Smoking status (between) | −0.3155 | 0.3839 | 934 | −0.82 | 0.4114 |
Weight concern (much) | −0.5223 | 0.2611 | 934 | −2.00 | 0.0458 |
Intervention condition | −0.2533 | 0.2360 | 934 | −1.07 | 0.2834 |
Smoking status (between) × weight concern (much) | 1.7071 | 0.5681 | 934 | 3.01 | 0.0027 |
Smoking status (between) × intervention condition | 1.3795 | 0.4857 | 934 | 2.84 | 0.0046 |
Average differences in baseline weight in pounds (lbs.) or rate of weight gain per one-unit change in the predictor variable (if continuous) or between groups (if categorical)