Table 2.
Period prevalence rates and characteristics of adolescent low back pain among participants
| Variable | Boys (n = 273) |
Girls (n = 298) |
p | All (n = 571) |
| Period prevalence (n / %) | ||||
| Lifetime | 160/58.6 | 171/57.4 | 0.767 | 331/58.0 |
| 12-month | 120/44.0 | 130/43.6 | 0.936 | 250/43.8 |
| One-month | 68/24.9 | 78/26.8 | 0.729 | 146/25.6 |
| Point | 36/13.2 | 48/16.2 | 0.317 | 84/14.7 |
| Recurrence | 130/43.6 | 102/37.4 | 0.030* | 232/40.6 |
|
School absenteeism (n/ %) |
32/11.7 | 43/14.4 | 0.289 | 75/13.1 |
| Perceived risk factors (n/%) | ||||
| Sitting most of the time | 29/10.6 | 33/11.1 | 62/10.9 | |
| Standing most of the time | 21/7.7 | 19/6.4 | 40/7.0 | |
| Walking most of the time | 21/7.7 | 22/19.6 | 43/7.5 | |
| Depression/anger | 2/0.7 | 7/2.3 | 9/1.6 | |
| Activities requiring bending | 44/16.7 | 49/16.4 | 93/16.3 | |
| School bag weight | 41/15.0 | 39/13.1 | 80/14.0 | |
| Others | 5/1.8 | 6/2.0 | 0.790 | 11/1.9 |
| After school activity (n/%) | ||||
| Leisure | 113/41.4 | 82/27.5 | 195/34.2 | |
| Commercial | 26/9.5 | 39/13.1 | 65/11.4 | |
| Others | 8/2.9 | 5/1.7 | 0.036* | 13/2.3 |
*
Significant difference at α = 0.05 (two tailed)