Table 2.
Changes in waist circumference (WC, cm), body weight (BW, kg), and body mass index (BMI, kg/m2) according to study group.
| Variables | Group | Completers (n = 192) | Intention to treat (n = 270) | ||
|---|---|---|---|---|---|
| Mean (SD) | Difference (CI versus control) | Mean (SD) | Difference (CI versus control) | ||
| WC (cm) | Web + VFA | −3.2 (3.3) | −3.3 (−4.5 to −2.1) | −2.7 (3.3) | −2.7 (−3.8 to −1.9) |
| Web | −1.6 (2.6) | −1.6 (−2.8 to −0.5) | −1.3 (2.7) | −1.3 (−2.3 to −0.3) | |
| Control | 0.1 (3.6) | — | 0.0 (3.2) | — | |
|
| |||||
| BW (kg) | Web + VFA | −2.7 (3.1) | −2.0 (−3.0 to −1.1) | −2.2 (3.0) | −1.6 (−2.4 to −0.8) |
| Web | −1.7 (2.0) | −1.0 (−1.8 to −0.3) | −1.3 (0.6) | −0.5 (−1.5 to +0.5) | |
| Control | −0.6 (2.3) | — | −0.6 (2.2) | — | |
|
| |||||
| BMI (kg/m2) | Web + VFA | −0.9 (1.1) | −0.8 (−1.1 to −0.4) | −0.8 (1.0) | −0.6 (−0.9 to −0.3) |
| Web | −0.6 (0.7) | −0.4 (−0.6 to −0.1) | −0.5 (0.7) | −0.3 (−0.5 to +0.0) | |
| Control | −0.2 (0.8) | — | −0.2 (0.7) | — | |
Web: web-based program; VFA: visceral fat accumulation.
SD: standard deviation; CI: confidence interval.