Table 2. Walk ratio and other gait parameters according to level of psychological symptoms (SDQ) among early adolescents.
| SDQ |
N |
Mean (SD) |
Mean Difference |
95% Confidence Interval |
P Value |
| Walk Ratio[mm/(steps/min)] |
| Close to average |
52 |
6.7(0.8) |
Referent |
Referent |
Referent |
| Slightly raised |
12 |
5.9(1.1) |
-0.7* |
-1.3, -0.2 |
0.006 |
| High |
6 |
6.3(0.6) |
-0.4 |
-1.1, 0.3 |
0.275 |
| Very high |
10 |
5.8(0.6) |
-0.8* |
-1.4, -0.3 |
0.004 |
| Cadence [steps/min] |
| Close to average |
50 |
112.2(5.9) |
Referent |
Referent |
Referent |
| Slightly raised |
10 |
112.7(8.3) |
0.5 |
-3.9, 4.9 |
0.826 |
| High |
6 |
112.5(7.9) |
0.3 |
-5.2, 5.8 |
0.917 |
| Very high |
10 |
120.2(6.0) |
8.1* |
3.6, 12.5 |
0.001 |
| Step time [ms] |
| Close to average |
50 |
539.4(27.8) |
Referent |
Referent |
Referent |
| Slightly raised |
10 |
538.0(40.4) |
-1.4 |
-22.1, 19.3 |
0.893 |
| High |
6 |
537.4(36.7) |
-2.1 |
-27.8, 23.7 |
0.873 |
| Very high |
10 |
501.9(23.9) |
-37.6* |
-58.2, -16.9 |
0.001 |
| Vigorous activity proportion in total time [%] |
| Close to average |
50 |
0.6 (0.5) |
Referent |
Referent |
Referent |
| Slightly raised |
10 |
0.4(0.3) |
- 0.2 |
-0.4, 0.04 |
0.107 |
| High |
6 |
0.2 (0.2) |
- 0.3* |
-0.7, -0.01 |
0.044 |
| Very high |
10 |
0.2(0.1) |
- 0.3* |
-0.6, -0.03 |
0.012 |
| Vigorous activity proportion in activity level [%] |
| Close to average |
50 |
2.7 (2.0) |
Referent |
Referent |
Referent |
| Slightly raised |
10 |
1.8 (0.7) |
-0.9 |
-2.1, 0.3 |
0.066 |
| High |
6 |
0.9 (0.8) |
-1.9* |
-3.4, -0.4 |
0.017 |
| Very high |
10 |
1.3 (1.2) |
-1.4* |
-2.6, -0.2 |
0.011 |
SDQ: Strengths and Difficulties Questionnaire.* The mean difference is significant at the 0.05 level.
