Table 3.
ActiGraph Bias (95% CI); RMSE
| Freedson (MET) | Swartz (MET) | Crouter (MET) | Freedson (kcal) | |||||
|---|---|---|---|---|---|---|---|---|
| Bias (95% CI) |
RMSE | Bias (95% CI) |
RMSE | Bias (95% CI) |
RMSE | Bias (95% CI) |
RMSE | |
|
Across All Activities |
−1.4 (−1.4, −1.3) |
2.3 | −0.6 (−0.6, −0.5) |
2.0 | −0.6 (−0.7, −0.6) |
2.0 | −1.1 (−1.2, −1.0) |
2.9 |
|
Treadmill Activities |
−0.8 (−0.8, −0.7) |
1.5 | −0.1 (−0.2, −0.1) |
1.3 | −1.0 (−1.1, −0.9) |
1.7 | −0.4 (−0.5, −0.3) |
1.9 |
|
Activities of Daily Living |
−2.0 (−2.1, −1.9) |
3.1 | −1.1 (−1.2, −0.9) |
2.6 | −0.2 (−0.3, −0.1) |
2.3 | −1.8 (−2.0, −1.7) |
3.7 |
|
Walking 1.34 m·sec−1 0% gr |
0.0* (−0.1, 0.1) |
0.6 | 0.8 (0.8, 0.9) |
1.0 | 0.0* (−0.1, 0.1) |
0.9 | 0.7 (0.5, 0.9) |
1.6 |
|
Walking 1.56 m·sec−1 0% gr |
0.0 * (−0.1, 0.1) |
0.9 | 0.7 (0.6, 0.8) |
1.1 | −0.3 (−0.4, −0.2) |
1.0 | 0.6 (0.5,0.8) |
1.6 |
|
Running 2.23 m·sec−1 0% gr |
−1.1 (−1.3, −1.0) |
1.8 | −0.8 (−0.9, −0.6) |
1.5 | −1.4 (−1.7, −1.2) |
2.2 | −1.2 (−1.4, −0.9) |
2.0 |
|
Walking 1.34 m·sec−1 3% gr |
−0.8 (−0.9, −0.7) |
1.1 | 0.1 (0.0, 0.1) |
0.7 | −0.9 (−1.0, −0.8) |
1.3 | −0.2 (−1.0, −0.8) |
1.4 |
|
Walking 1.56 m·sec−1 3% gr |
−1.0 (−1.1, −0.9) |
1.3 | −0.2 (−.03, −0.1) |
0.8 | −1.3 (−1.4, −1.2) |
1.6 | −0.6 (−0.7, −0.4) |
1.4 |
|
Running 2.23 m·sec−1 3% gr |
−2.4 (−2.5, −2.2) |
2.7 | −2.0 (−2.2, −1.8) |
2.3 | −2.7 (−2.9, −2.4) |
3.1 | −2.7 (−2.9, −2.5) |
3.1 |
| Ascend Stairs | −5.9 (−6.2, −5.7) |
6.2 | −5.1 (−5.3, −4.9) |
5.3 | −3.9 (−4.1, −3.6) |
4.3 | −7.1 (−7.4, −6.8) |
7.4 |
| Basketball | −3.2 (−3.6, −2.7) |
3.5 | −2.5 (−3.0, −2.0) |
3.0 | −0.8 (−1.2, −0.3) |
1.7 | −3.3 (−4.0, −2.7) |
4.0 |
|
Move 6kg Box |
−1.4 (−1.5, −1.3) |
1.6 | −0.4 (−0.5, −0.3) |
1.0 | 0.8 (0.7, 0.9) |
1.2 | −0.9 (−1.1, −0.7) |
1.9 |
|
Descend Stairs |
0.0* (−0.2, 0.1) |
1.1 | 0.8 (0.7, 0.9) |
1.3 | 2.1 (1.9, 2.2) |
2.5 | 0.6 (0.4, 0.8) |
1.8 |
| Dishes | −0.4 (−0.5, −0.3) |
0.5 | 0.7 (0.6, 0.8) |
0.8 | −0.8 (−0.9, −0.7) |
0.9 | 0.4* (−0.1, 0.9) |
1.7 |
| Dust | −0.8 (−1.0, −0.7) |
0.9 | 0.3 (0.2, 0.4) |
0.5 | 0.3 (0.2, 0.5) |
0.5 | −0.4* (−0.8, 0.1) |
1.5 |
| Garden | −1.2 (−1.5, −0.9) |
1.5 | −0.2* (−0.4, 0.1) |
0.9 | 0.5 (0.2, 0.8) |
1.0 | −0.6 (−1.2, −0.1) |
1.8 |
| Laundry | −0.7 (−0.8, −0.6) |
0.8 | 0.4 (0.3, 0.5) |
0.6 | 0.0 (−0.3, 0.2) |
0.8 | 0.1* (−0.4, 0.6) |
1.6 |
| Mop | −1.5 (−1.8, −1.3) |
1.7 | −0.5 (−0.7, −0.2) |
0.8 | −0.2 (−0.4, 0.1) |
0.9 | −1.0 (−1.6, −0.4) |
2.1 |
| Mow | −2.3 (−2.5, −2.0) |
2.4 | −1.3 (−1.6, −1.0) |
1.6 | −0.2 (−0.5, 0.1) |
1.0 | −2.1 (−2.6, −1.7) |
2.6 |
| Paint | −0.9 (−1.1, −0.7) |
1.1 | 0.1 (0.0, 0.3) |
0.6 | 0.5 (0.3, 0.7) |
0.9 | −0.4* (−1.0, 0.2) |
1.9 |
| Rake | −2.2 (−2.5, −1.9) |
2.4 | −1.1 (−1.4, −0.8) |
1.4 | −0.8 (−1.1, −0.5) |
1.2 | −1.8 (−2.4, −1.2) |
2.6 |
| Clean Room | −0.7 (−1.1, −0.2) |
1.5 | 0.1* (−0.3, 0.5) |
1.3 | 1.7 (1.3, 2.2) |
2.2 | −0.1* (−0.8, 0.6) |
2.2 |
| Sweep | −1.2 (−1.4, −1.0) |
1.4 | −0.1* (−0.3, 0.1) |
0.6 | 0.0 (−0.2, 0.3) |
0.8 | −0.6 (−1.0, −0.1) |
1.6 |
| Tennis | −4.9 (−5.3, −4.4) |
5.1 | −4.1 (−4.5, −3.6) |
4.3 | −2.4 (−2.9, −2.0) |
2.8 | −5.5 (−6.0, −5.0) |
5.8 |
| Trim | −1.5 (−1.7, −1.3) |
1.6 | −0.4 (−0.5, −0.2) |
0.7 | −0.7 (−1.0, −0.5) |
1.1 | −1.2 (−1.7, −0.7) |
2.0 |
| Vacuum | −1.3 (−1.5, −1.2) |
1.4 | −0.2 (−0.4, −0.1) |
0.6 | 0.0 (−0.2, 0.2) |
0.6 | −1.1 (−1.5, −0.6) |
1.7 |
CI = Confidence Interval; RMSE = Root Mean Squared Error; m = meters; sec = seconds; gr = grade;
*
Predicted EE not significantly different than measured EE