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This study aimed to estimate the prevalence of back pain in the urban population of Campinas, São Paulo State, Brazil, and identify the most affected groups. Data were obtained from a population survey in 2008-2009 that included 1,118 individuals aged 18-59 years. Overall prevalence of back pain was 30.6% (34.4% in women and 26.5% in men). After adjustment, prevalence was higher among women, those with less schooling, people working more than 40 hours a week, smokers and former smokers, those with no leisure-time physical activity, and those who were physically active in household chores and at work. Prevalence increased with age and with the number of children, number of diseases and health problems, and those with worse self-rated health. The results confirm the high prevalence of low back pain and the associated incapacity, indicating the population groups that require heightened attention from health services.

Dor nas costas em população adulta: estudo de base populacional em Campinas, São Paulo, Brasil