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Table 2 The prevalence (%) of neck pain alone (NP), low back pain alone (LBP), and concomitant neck and low back pain (NLBP) by survey year, sex, and age

From: Time trends in single versus concomitant neck and back pain in finnish adolescents: results from national cross-sectional surveys from 1991 to 2011

Survey year *P for linear
  1991 1999 2001 2003 2005 2007 2009 2011 trend
Boys          
12-14          
NP alone 4.8 6.2 8.4 7.9 8.0 8.2 9.9 5.9 < 0.001
LBP alone 3.3 2.5 3.3 3.3 2.8 3.0 4.8 3.8 0.11
NLBP 1.6 2.8 2.5 2.3 3.5 5.6 5.5 3.8 < 0.001
16-18          
NP alone 7.1 9.3 11.7 10.4 10.5 9.6 11.2 10.7 < 0.001
LBP alone 5.4 4.6 6.1 6.1 5.9 6.1 6.6 6.9 0.008
NLBP 4.2 5.7 6.0 7.5 8.0 9.1 8.6 9.9 < 0.001
Girls          
12-14          
NP alone 11.1 18.2 17.5 15.9 18.9 16.8 16.6 18.5 < 0.001
LBP alone 2.7 2.3 2.5 2.3 3.1 3.2 3.9 3.0 0.023
NLBP 2.0 4.2 4.8 3.4 5.1 7.5 6.8 7.5 < 0.001
16-18          
NP alone 22.7 29.2 30.2 29.3 29.3 30.9 28.3 29.5 < 0.000
LBP alone 4.0 3.1 4.5 3.7 3.9 3.7 4.4 3.7 0.060
NLBP 6.9 10.1 10.9 11.3 13.5 15.1 17.4 15.9 < 0.000
  1. Level of significance for linear trends is shown with P-values.