Table 4.
Linear regression analysis of weight change (kg) during the 12-month extended care program (Months 4 to 16) a
| Independent Variable b | Weight Change, kg | ||
|---|---|---|---|
| Parameter Est. | Std. Err | P-value | |
| Treatment Condition | −2.28 | 0.92 | 0.0154 |
| Randomization Weight | −0.02 | 0.04 | 0.6193 |
| Initial Weight Change | 0.26 | 0.15 | 0.0779 |
| Age | <0.01 | 0.04 | 0.9197 |
| Race | −0.73 | 1.08 | 0.5015 |
| Marital Status | −1.33 | 0.94 | 0.1589 |
| Education | −0.62 | 0.95 | 0.5124 |
aAnalyses are based on multiple imputation of missing data
bFor categorical independent variables, the comparison level versus reference level are as follows: Treatment Condition (Clustered Campaign vs. Self-directed), Race (Non-Caucasian vs. Caucasian), Marital Status (Not-married vs. Married), Education (Bachelors or higher degree vs. Associates or lower degree)