The spine journal : official journal of the North American Spine Society
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No study has determined time trends of neck pain and low back pain (NP&LBP) in the 20th century in Spain. ⋯ The prevalence of NP and NP&LBP, but not LBP, has decreased in the last years in Spain. NP&LBP were associated with similar sociodemographic and lifestyle habits in 2009 compared with 2006.