| PMC full text: | Published online 2014 Nov 18. doi: 10.1186/s12998-014-0035-6
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Table 5
Data from the epidemiologic literature on “one week” prevalence of back pain (including LBP region)
| Balague et al. [ 1 ] | Jones et al. [ 21 ] | Sato et al. [ 22 ] | |
|---|---|---|---|
| Country | Switzerland | England | Japan |
| Design | Cross sectional | Cross sectional | Cross sectional |
| Study sample | Schoolchildren in primary and secondary school (one school district) | Schoolchildren in three school districts | Elementary and junior high schoolchildren in Niigata City |
| Response rate | 99% | 93% | 79,8% |
| Valid sample size | 1666 | 500 | 34423 |
| Data collection | Questionnaire | Questionnaire | Questionnaire |
| Age group | 7-17 (mean 12) | 10-16 | 9-15 |
| Definition of back pain | BP (=all spinal pain) | LBP | Any LBP now |
| Recall period | Previous week | Previous week | Now |
| Overall - prevalence week/now | BP (7-17y) | LBP | LBP |
| 16% | 10-13 y: Boys, Girls | 9-10 y: 3% | |
| 10-11y: 6%, 9% | 10-11 y: 4% | ||
| 11-12 y: 9%, 10,5% | 11-12 y: 6% | ||
| 12-13 y: 11%, 13% | 12-13 y: 12% | ||
| 13-14 y: 13%, 17% | 13-14 y: 17% | ||
| 14-15 y: 18%, 21% | 14-15 y: 15% | ||
| 15-16 y: 23%, 21% |