Table 2.
The numbers of breaks in self-weighing, their durations, and the subsequent weight change among all study participants who had a break from self-weighing and in the 3 BMI groups.
| Characteristic | All who had a break from self-weighing (n=7085) | Normal weight (n=2941) | Overweight (n=2648) | Obese (n=1496) | Kruskal Wallis statistic for the difference between the BMI groups | P value |
| Number of breaks, median (IQR) |
3 (2 to 5) | 3 (2 to 5) | 3 (1 to 5) | 3 (2 to 6) | 8.48 (df=2) | .01 |
| Duration of the break (days), median (IQR) |
58.83 (44.00 to 86.30) |
58.33 (44.00 to 85.00) |
57.75 (43.62 to 85.55) |
61.20 (45.36 to 90.00) |
11.44 (df=2) | .003 |
| Weight change (kg), median (IQR) |
0.85 (0.03 to 1.92) |
0.58 (–0.13 to 1.46) |
0.93 (0.06 to 1.99) |
1.37 (0.38 to 2.61) |
247.32 (df=2) | <.001 |
| Weight change (%), median (IQR) |
1.05 (0.04 to 2.30) |
0.87 (–0.18 to 2.20) |
1.10 (0.08 to 2.32) |
1.30 (0.36 to 2.46) |
58.54 (df=2) | <.001 |