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Revista Brasileira de Ortopedia

Print version ISSN 0102-3616On-line version ISSN 1982-4378


ALMEIDA, Isabela Costa Guerra Barreto et al. Chronic low back pain prevalence in the population of the city of Salvador. Rev. bras. ortop. [online]. 2008, vol.43, n.3, pp.96-102. ISSN 0102-3616.

INTRODUCTION: Chronic low back pain has epidemic levels in the general population and profiling the individuals affected may help directing investments to control the problem. OBJECTIVE: To estimate the prevalence of chronic low back pain in the population and to identify associated factors. METHODS: Transversal study based on a population survey carried out in the sectors classified by the census in the city of Salvador according to socio-economic level. 2,297 individuals were interviewed in whom low back pain was evaluated through a bodily map. Exploratory analysis of associated factors was performed by logistic regression. RESULTS: Chronic low back pain prevalence in the population was 14.7%, with higher incidence among former smokers (19.7%), people with belly circumference above the range of normality (16.8%), and individuals with low level of schooling (17.4%) when compared to the other categories. Factors such as physical activity, social class, excessive alcohol intake, race, gender, and occupation at the time of the interview were not associated to low back pain. In the multiple regression analysis, being single was negatively associated to chronic low back pain, whereas positive and statistically significant associations were observed between current smoking or smoking in the past and low back pain (OR 1.47; IC95%; 1.11-1.96; p < 0.000). CONCLUSION: The population in Salvador shows high prevalence of chronic low back pain associated to smoking.

Keywords : Low back pain [epidemiology]; Population.

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