Table 2 Prevalence of LBP in members and non-members of sports clubs
Boys (n = 772) | Girls (n = 865) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Variable | Category | Member | Non-member | P-value* | Member | Non-member | P-value* | ||||
n | % | n | % | n | % | n | % | ||||
Lifetime prevalence | Yes | 259 | 52.7 | 122 | 43.4 | <0.02 | 284 | 60.3 | 246 | 62.4 | 0.520 |
No | 232 | 47.3 | 159 | 56.6 | 187 | 39.7 | 148 | 37.6 | |||
LBPa | Yes | 138 | 28.1 | 51 | 18.1 | 0.02 | 160 | 34.0 | 143 | 36.3 | 0.475 |
No | 353 | 71.9 | 230 | 81.9 | 311 | 66.0 | 251 | 63.7 | |||
Frequent LBPb | Yes | 30 | 6.1 | 12 | 4.3 | 0.278 | 51 | 10.8 | 44 | 11.2 | 0.874 |
No | 461 | 93.9 | 269 | 95.7 | 420 | 89.2 | 350 | 88.8 | |||
LBP during the last seven daysc | Yes | 100 | 38.6 | 39 | 32.0 | 0.209 | 123 | 43.3 | 110 | 44.7 | 0.745 |
No | 159 | 61.4 | 83 | 68.0 | 161 | 56.7 | 136 | 55.3 | |||