Pain assessment through the brief pain inventory in a low socio-economic level population

Abstract

BACKGROUND AND OBJECTIVES:Chronic pain affects thousands of people, changing their functionality and emotional status. The Brief Pain Inventory has not been used in populational studies and may be a relevant tool. This study aimed at characterizing chronic pain sensory aspects and their influence on daily life activities. METHODS: This is a cross-sectional populational study carried out in a Family Health Unit (Salvador/BA/Brazil). Participated in the study 191 individuals aged 20 years or above, with pain for six months or longer. Brief Pain Inventory was used as evaluation tool because it has sensory aspects as predicting variables and reactive aspects as outcome variables. Chi-square test was used for proportional analysis and Spearman correlation test was used for intergroup comparisons. RESULTS: Sample was made up of 86.4% females, single (48.7%), non white (49.7%), low education (46.6%) and low socio-economic level (100.0%). Most participants (46.8%) have reported pain for at least five years, with predominance of knees (46.1%) and lumbar spine (42.4%), being that 77.5% of the population made systematic use of some painkiller. There has been negative correlation between sensory and reactive variables: general activities (p<0.001; r=0.482), mood (p<0.001; r=0.396), walking ability (p<0.001; r=0.318) and working ability (p<0.001; r=0.389). There has been no correlation for the ability of enjoying life (p=0.403; r=0.061). CONCLUSION: In a low socio-economic level population, chronic pain primarily affects knees and lumbar spine with negative interference on general activities, mood, walking and working ability. Keywords: Chronic pain, Epidemiology, Population. entre 20 anos ou mais, com queixa de dor por um período igual ou superior a seis meses. O Inventário Breve de Dor foi utilizado como um instrumento de avaliação que tem os aspectos sensoriais como variáveis previsoras, e os aspectos reativos como variáveis de desfecho. Foi utilizado o teste qui-quadrado para análise proporcional e correlação de Spearman para a comparação intergrupo. RESULTADOS: A amostra foi composta por 86,4% de mulheres, solteiros (48,7%), não brancos (49,7%), baixa escolaridade (46,6%) e baixo nível socioeconômico (100,0%). A maioria (46,8%) descreveu dor por período no mínimo de cinco anos, com predominância em joelhos (46,1%) e coluna lombar (42,4%). Setenta e sete e meio por cento da população faz uso sistemático de algum fármaco para dor. Encontrou-se correlação negativa entre as variáveis sensoriais com variáveis reativas: atividades gerais (p<0,001; r=0,482), humor (p<0,001; r=0,396), capacidade de caminhar (p<0,001; r=0,318) e capacidade de trabalho (p<0,001; r=0,389). Não houve correlação para a capacidade de apreciar a vida (p=0,403; r=0,061). CONCLUSÃO: Em uma população de baixo nível socioeconô-mico, a dor crônica afeta especialmente os joelhos e a coluna lombar com interferência negativa nas atividades gerais, humor, capacidade de andar e trabalhar. Descritores: Dor crônica,Epidemiologia, População. Pain assessme...

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“…Santos et al 14 investigated the pain profile in 191 subjects of low socioeconomic status in the same city, using the BPI. They found that pain was of moderate intensity in 46.8%, most often in the knees (46.1%) and the lumbar spine (42.4%).…”