Table 1 Lifetime, one week, and point prevalence of neck, mid back, and low back pain at age 11–13 and two years later
11-13 yr. (n = 1291) | 13-15 yr. (n = 1064) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Girls (n = 625) | Boys (n = 666) | Girls (n = 499) | Boys (n = 565) | ||||||||||
n (mis) | % | 95% CI | n (mis) | % | 95% CI | n (mis) | % | 95% CI | n (mis) | % | 95% CI | ||
Lifetime prevalence | NP | 491 | 78.6 | 75.3, 81.2 | 490 | 73.6 | 70.2, 76.9 | 408 | 81.8 | 78.4, 85.2 | 410 | 72.6 | 68.9, 76.2 |
MBP | 382 | 61.1 | 57.3, 64.9 | 387 (1) | 58.2 | 54.4, 61.9 | 339 | 67.9 | 63.8, 72.0 | 336 (1) | 59.6 | 55.5, 63.6 | |
LBP | 302 (2) | 48.5 | 44.6, 52.4 | 271 (1) | 40.8 | 37.0, 44.5 | 293 (1) | 58.8 | 54.5, 63.2 | 258 (1) | 45.7 | 41.6, 49.9 | |
One week prevalence | NP | 149 | 23.8 | 20.5, 27.2 | 150 | 22.5 | 19.3, 25.7 | 164 | 32.9 | 28.7, 37.0 | 151 (2) | 26.8 | 23.2, 30.5 |
MBP | 105 (1) | 16.8 | 13.9, 19.8 | 132 (1) | 19.8 | 16.8, 22.9 | 144 (3) | 29.0 | 25.0, 33.0 | 136 (3) | 24.2 | 20.7, 27.7 | |
LBP | 82 (2) | 13.2 | 10.5, 15.8 | 66 (1) | 9.9 | 7.7, 12.2 | 108 (2) | 21.7 | 18.1, 25.4 | 103 (5) | 18.4 | 15.2, 21.6 | |
Point prevalence | NP | 68 (1) | 10.9 | 8.5, 13.3 | 70 (2) | 10.5 | 8.2, 12.9 | 81 (3) | 16.3 | 13.1, 19.6 | 66 (4) | 11.8 | 9.1, 14.4 |
MBP | 42 | 6.7 | 4.8, 8.7 | 62 (1) | 9.3 | 7.1, 11.5 | 47 (2) | 9.5 | 6.9, 12.0 | 52 (3) | 9.3 | 6.9, 11.6 | |
LBP | 31 (2) | 5.0 | 3.3, 6.7 | 28 (1) | 4.2 | 2.7, 5.7 | 40 (3) | 8.1 | 5.7, 10.5 | 33 (6) | 5.9 | 3.9, 7.9 | |