From: Prevalence of low Back pain among adolescents in relation to the weight of school bags
Question | n | (%) |
Have you ever felt low back pain that lasted a day or longer? | ||
Yes | 668 | (70.3) |
Have you felt low back pain that lasted a day or longer in the last 6 months? | ||
Yes | 466 | (49.1) |
Have you felt low back pain that lasted a day or longer in the past month? | ||
Yes | 293 | (30.8) |
How many times did you feel this back pain in the last month? (n=293) | ||
Once | 39 | (13.3) |
2-3 times | 120 | (41.0) |
4-5 times | 57 | (19.5) |
6 times or more | 77 | (26.3) |
Severity of LBPa, mean (SD)b | 5.48 | (1.6) |