Table 2. Within-Group and Between-Group Weight Change Comparisons, Baseline to 12 Months.
| Variable | Estimate (95% CI) | Unadjusted difference or OR (95% CI) | AOR (95% CI)a | Average marginal effects (95% CI) | P value for difference or average marginal effects | |
|---|---|---|---|---|---|---|
| WNP patients | Matched controls | |||||
| Patients, No. (%) | 95 (100) | 106 (100) | NA | NA | NA | NA |
| Mean weight change, kgb | −5.4 (−7.8 to 3.0) | −0.3 (−1.9 to 1.4) | −4.9 (−7.76 to −2.11) | NA | NA | <.001 |
| Mean % weight changeb | −4.4 (−6.4 to −2.5) | −0.1 (−1.3 to 1.4) | −4.4 (−6.77 to −2.17) | NA | NA | <.001 |
| ≥5% Weight loss, No. (%)c | 39 (41.1) | 19 (17.9) | 2.96 (1.58 to 5.67) | 2.90 (1.54 to 5.58) | 21.2 (8.8 to 33.6) | <.001 |
| ≥10% Weight loss, No. (%)c | 21 (22.1) | 4 (3.8) | 7.17 (2.60 to 25.3) | 7.19 (2.55 to 25.9) | 17.4 (8.7 to 26.2) | <.001 |
Abbreviations: AOR, adjusted odds ratio; NA, not applicable; OR, odds ratio; WNP, weight navigation program.
a
Adjusted for initial weight.
b
Difference-in-differences linear regression model.
c
Logistic regression model.