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Table 3

Characteristics of back pain among pupils with the lifetime prevalence and their association with scoliosis

Scoliosis groupNo scoliosis groupGender- and school-grade-adjusted
N = 31N = 10,561OR(95% CI)P value
No.%No.%
Duration of back pain
 ≤1 week1238.76,81468.1a1.00(reference)
 1 week<, ≤1 month516.11,87318.7a1.50(0.52, 4.29)0.450
 1 month<, ≤3 months26.55525.5a1.94(0.43, 8.76)0.390
 >3 months1135.57727.7a7.92(3.39, 18.51)<0.001
Recurrence of back pain2683.96,02860.1b3.94(1.37, 11.36)0.011
Severity of back pain
 Level 12064.58,53980.91.00(reference)
 Level 239.71,63115.70.80(0.24, 2.72)0.722
 Level 3722.63913.86.96(2.89, 16.78)<0.001
OR odds ratio of each back-pain status according to scoliosis, CI confidence interval

aCalculated for 10,011 pupils excluding 550 non-respondents

bCalculated for 10,036 pupils excluding 528 non-respondents