Table 5.
Linear regression analysis of percentage weight regain during the 12-month extended care program (Months 4 to 16) a
| Independent Variable b | Weight Change, % | ||
|---|---|---|---|
| Parameter Est. | Std. Err | P-value | |
| Treatment Condition | 0.29 | 0.14 | 0.0396 |
| Randomization Weight | <0.01 | 0.01 | 0.4582 |
| Initial Weight Change | −0.06 | 0.02 | 0.0170 |
| Age | <0.01 | 0.01 | 0.9578 |
| Race | 0.04 | 0.17 | 0.8106 |
| Marital Status | 0.21 | 0.14 | 0.1409 |
| Education | 0.10 | 0.14 | 0.4830 |
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)