TABLE 1.
Descriptive statistics
| Total sample (N = 77) | Siblings within normal weight (N = 39) | Siblings with overweight/obesity (N = 38) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | SD | Minimum | Maximum | M | SD | Minimum | Maximum | M | SD | Minimum | Maximum | |
| z-BMI | 0.78 | 0.89 | −1.45 | 2.42 | 0.03 | 0.52 | −1.45 | 0.65 | 1.56 | 0.35 | 1.05 | 2.42 |
| Age | 15.36 | 1.43 | 13.01 | 17.84 | 15.64 | 1.42 | 13.01 | 17.84 | 15.06 | 1.39 | 13.10 | 17.75 |
| Daily wear time (hours) | 13.79 | 1.31 | 10.68 | 19.90 | 13.78 | 1.00 | 11.94 | 15.67 | 13.80 | 1.60 | 10.68 | 19.90 |
| Daily MVPA time (minutes) | 23.38 | 18.34 | 0.00 | 75.50 | 24.59 | 20.49 | 2.67 | 75.50 | 22.07 | 15.88 | 0.00 | 73.75 |
| MVPA minutes before EMA | 1.42 | 1.33 | 0.00 | 6.42 | 1.28 | 1.30 | 0.04 | 5.56 | 1.58 | 1.37 | 0.00 | 6.42 |
| Activity counts before EMA | 20 231.65 | 8504.27 | 6730.15 | 46 770.53 | 19 305.28 | 9378.46 | 6730.15 | 46 770.53 | 21 208.11 | 7478.01 | 8584.93 | 43 103.21 |
| Completed EMA prompts | 32.75 | 5.76 | 7.00 | 68.00 | 33.38 | 6.58 | 18.00 | 68.00 | 32.11 | 4.76 | 7.00 | 34.00 |
Abbreviations: EMA, ecological momentary assessment; MVPA, moderate to vigorous physical activity; z-BMI, body mass index z-score.