Table 2.
Validity statistics comparing DABQ with actigraph regarding four data processing methods (ENMO, MAD, CPM VA, CPM VM) (n = 101)
| 24 h- MBs | ActiGraph (SD), min/day | DABQ (SD), min/day | ICC (95% CI) | Spearman’s Rho |
MD (SD) | Upper LOA | Lower LOA | MAE | RMSE |
|---|---|---|---|---|---|---|---|---|---|
| ENMO | |||||||||
| Sleep |
467.18 (50.90) |
465.01 (50.36) |
0.56 (0.41;0.67) | 0.58 |
2.18 (47.90) |
-91.7 | 96.06 | 35.26 | 47.72 |
| SB |
883.36 (67.02) |
514.68 (197.21) |
0.01 (-0.04;0.07) |
0.01 |
368.68 (204.37) |
-31.9 | 769.25 | 368.69 | 421.06 |
| LPA |
34.25 (16.04) |
435.43 (202.12) |
0.00 (-0.03;0.05) |
0.1 |
-401.17 (201.06) |
-795.26 | -7.09 | 401.17 | 448.31 |
| MVPA |
38.23 (23.23) |
24.88 (38.78) |
0.23 (0.05; 0.40) |
0.42 |
13.35 (39.29) |
-63.66 | 90.36 | 29.18 | 41.32 |
| MAD | |||||||||
| Sleep |
467.18 (50.90) |
465.01 (50.36) |
0.56 (0.41;0.67) |
0.58 |
2.18 (47.90) |
-91.7 | 96.06 | 35.26 | 47.72 |
| SB |
635.66 (90.93) |
514.68 (197.21) |
0.24 (0.02;0.44) |
0.39 |
120.97 (179.62) |
-231.08 | 473.03 | 167.58 | 215.84 |
| LPA |
257.82 (66.56) |
435.43 (202.12) |
0.17 (-0.05;0.38) |
0.46 |
-177.61 (179.33) |
-529.10 | 173.88 | 202.79 | 251.78 |
| MVPA |
62.37 (31.22) |
24.88 (38.78) |
0.24 (-0.04; 0.47) |
0.44 |
37.49 (39.47) |
-39.86 | 114.84 | 46.77 | 54.29 |
| CPM VA | |||||||||
| Sleep |
467.18 (50.90) |
465.01 (50.36) |
0.56 (0.41;0.67) |
0.58 |
2.18 (47.90) |
-91.7 | 96.06 | 35.26 | 47.72 |
| SB |
608.13 (88.15) |
514.68 (197.21) |
0.26 (0.06;0.44) |
0.36 |
93.45 (179.62) |
-258.60 | 445.49 | 159.67 | 201.71 |
| LPA |
312.80 (71.36) |
435.43 (202.12) |
0.22 (0.01; 0.41) |
0.42 |
-122.63 (180.75) |
-476.90 | 231.63 | 173.31 | 217.71 |
| MVPA |
34.92 (19.02) |
24.88 (38.78) |
0.30 (0.12; 0.47) |
0.43 |
10.04 (35.68) |
-59.90 | 79.97 | 26.34 | 36.90 |
| CPM VM | |||||||||
| Sleep |
467.18 (50.90) |
465.01 (50.36) |
0.56 (0.41;0.67) |
0.58 |
2.18 (47.90) |
-91.7 | 96.06 | 35.26 | 47.72 |
| SB |
527.56 (98.59) |
514.68 (197.21) |
0.38 (0.21;0.53) |
0.43 |
12.88 (173.54) |
-327.26 | 353.02 | 143.41 | 173.19 |
| LPA |
365.29 (84.91) |
435.43 (202.12) |
0.31 (0.12;0.47) |
0.42 |
-70.14 (178.17) |
-419.36 | 279.08 | 151.76 | 190.69 |
| MVPA |
62.99 (30.47) |
24.88 (38.78) |
0.26 (-0.05;0.50) |
0.38 |
38.11 (37.87) |
-36.13 | 112.35 | 45.84 | 53.60 |
SB: sedentary behavior, LPA: light physical activity, MVPA: moderate to vigorous physical activity, ICC: intraclass correlation, 95% CI: 95% Confidence intervals, MD: mean difference between two measurement methods, SD: standard deviation of the mean difference, LOA: limit of agreement. MAE: Mean Absolute Error; RMSE: Root Mean Square Error. The intensity-based cutoff points thresholds for each metric are as follows: ENMO Hildebrand et al. (2014), MAD Vähä Ypyä et al. (2018, 2023), CPM VA Troiano et al. (2008), and CPM VM Sasaki et al. (2011)