Table 4.
Comparison of adolescent’s time spent in active and sedentary behaviors by location and purpose using previous day recall and direct observation
| Total |
Direct observation |
Previous-day recall vs. direct observation |
|||
|---|---|---|---|---|---|
| N |
Minutes |
% Agree (Kappa) | Bias (95% CI) | ICC (95% CI) | |
| Mean (SD) | |||||
|
Active
|
|
|
|
|
|
| Total |
26 |
81.9 (47.6) |
76.9% (0.54) |
-3.6 (-18.5, 11.3) |
0.73 (0.48, 0.87)* |
| Home |
24 |
37.9 (33.8) |
65.4% (0.20) |
-12.1 (-24.4, 0.1) |
0.62 (0.32, 0.81)* |
| Work/School |
5 |
41.6 (71.3) |
80.8% (0.20)+ |
-4.0 (-17.7, 9.8) |
0.10 (-0.31, 0.46) |
| Community |
19 |
53.3 (39.5) |
84.6% (0.57)+ |
11.3 (-7.2, 29.7) |
0.61 (0.31, 0.80)* |
| Household activity |
25 |
22.9 (31.5) |
65.4% (0.12) |
6.3 (-10.1, 22.8) |
0.56 (0.23, 0.77)* |
| Work |
2 |
46.9 (60.6) |
92.3% (#) |
-6.3 (-15.0, 2.5) |
NA |
| Education |
4 |
31.0 (61.5) |
88.5% (0.36)+ |
-4.2 (-12.4, 3.9) |
0.24 (-0.15, 0.57) |
| Transportation |
14 |
7.3 (5.8) |
53.8% (0.12) |
-2.5 (-4.6, -0.3)* |
0.37 (0.01, 0.65)* |
| Leisure |
26 |
47.6 (38.1) |
84.6% (#) |
4.2 (-9.6, 17.9) |
0.69 (0.43, 0.85)* |
|
Sedentary
|
|
|
|
|
|
| Total |
26 |
139.0 (63.8) |
94.9% (0.90)+ |
28.0 (16.4, 39.6)* |
0.83 (0.34, 0.92)* |
| Home |
24 |
90.4 (70.3) |
100% (1.00)+ |
32.2 (20.4, 44.1)* |
0.85 (0.25, 0.95)* |
| Work/School |
3 |
76.6 (46.2) |
80.1% (0.34)+ |
0.0 (-13.0, 13.0) |
0.37 (-0.03, 0.66)* |
| Community |
15 |
81.0 (57.1) |
96.2% (0.92)+ |
-4.7 (-18.1, 8.7) |
0.86 (0.71, 0.93)* |
| Household activity |
25 |
14.6 (10.3) |
84.6% (0.29)+ |
8.4 (1.5, 15.2)* |
0.33 (0.02, 0.62)* |
| Work |
1 |
65.5 (NA) |
96.2% (#) |
-4.4 (-10.8, 2.0) |
NA |
| Education |
4 |
76.1 (50.0) |
84.6% (0.26)+ |
-0.6 (-11.3, 10.1) |
0.75 (0.52, 0.88)* |
| Transportation |
13 |
21.0 (14.5) |
100% (1.00)+ |
4.4 (-1.2, 10.1) |
0.70 (0.43, 0.85)* |
| Leisure | 26 | 100.2 (57.4) | 96.2% (#) | 37.0 (0.2, 73.8)* | 0.55 (0.18, 0.78)* |
Note: N is number of segments in which the behavior was observed for at least 1 minute. ICC is intraclass correlation *indicates statistical significance at p < 0.05, #indicates the Kappa was not computable; +indicates agreement is not by chance according to McNemar Test.