• César Fernández-de-las-Peñas, Valentín Hernández-Barrera, Cristina Alonso-Blanco, Domingo Palacios-Ceña, Pilar Carrasco-Garrido, Silvia Jiménez-Sánchez, and Rodrigo Jiménez-García.
• Department of Physical Therapy, Occupational Therapy, Rehabilitation and Physical Medicine, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain. cesar.fernandez@urjc.es
• Spine. 2011 Feb 1;36(3):E213-9.

Study DesignCross-sectional epidemiological study.ObjectiveTo determine the 1-year prevalence of neck pain and low back pain in the Spanish population and their association with sociodemographic and lifestyle habits, self-reported health status and comorbidity with other chronic disorders.Summary Of Background DataNo recent population-based epidemiological studies have estimated the prevalence of neck and low back pain in Spain.MethodsWe analyzed data obtained from adults aged 16 years or older (n = 29,478) who participated in the 2006 Spanish National Health Survey, an ongoing, home-based personal interview which examines a nation-wide representative sample of civilian noninstitutionalized population residing in main family dwellings (household) of Spain. We analyzed prevalence data of neck and low back pain and their relationship with socio-demographic characteristics (sex, age, marital status, educational level, occupational status, or monetary income), self-perceived health status, lifestyle habits (smoking habit, alcohol consumption, sleep habit, physical exercise, or obesity), and the presence of concomitant chronic diseases or symptoms.ResultsThe 1-year prevalence was 19.5% (95% CI: 18.9-20.1) for neck pain and 19.9% (95% CI: 19.3-20.5) for low back pain. Both neck pain and low back pain were higher among female (26.4% and 24.5%) than male (12.3% and 15.1%). Subjects in the 31 to 50 years group were 1.5 times (95% CI: 1.3-1.8) more likely to report low back pain than participants in the 16 to 30 years group. Individuals reporting neck or low back pain showed worse self-reported health status (OR: 4.9, 95% CI: 4.5-5.3 for neck pain; OR: 4.7, 95% CI: 4.3-5.1 for low back pain) and were more likely to complain of depression (OR: 4.3, 95% CI: 3.9-4.7 or OR: 3.6, 95% CI: 3.3-3.9, respectively). Further, a strong association between neck and low back pain was found (OR: 15.6, 95% CI: 14.2-17.1). Finally, neck pain and low back pain were also associated with several other chronic conditions, particularly arthrosis (OR: 6.5, 95% CI: 6.0-7.0), and headaches (OR: 4.3, 95% CI: 3.9-4.8) for neck pain, and both arthrosis (OR: 5.7, 95% CI: 5.3-6.2), and osteoporosis (OR: 6.3, 95% CI: 5.6-7.2), for low back pain.ConclusionThis Spanish population-based survey showed that neck and low back pain are prevalent and highly associated between them, more frequent in female (particularly neck pain) and associated to worse self-reported health status. Individuals with neck and low back pain were more likely than those without pain to have depression and other painful conditions, including headache and osteoporosis.

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