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Cadernos de Saúde Pública
On-line version ISSN 1678-4464Print version ISSN 0102-311X
DAL PIZZOL, Tatiane da Silva et al. Use of medication by the elderly in urban and rural areas in southern Brazil: a population-based study. Cad. Saúde Pública [online]. 2012, vol.28, n.1, pp.104-114. ISSN 1678-4464. http://dx.doi.org/10.1590/S0102-311X2012000100011.
The study aimed to measure use of medication and polypharmacy among the elderly in Carlos Barbosa, Rio Grande do Sul State, Brazil, and to compare socio-demographic, economic, and health characteristics in relation to area of residence (urban versus rural) in a random sample of 811 persons 60 year of age or older. Interviews were used to collect data on socio-demographic characteristics, chronic illnesses, and self-reported use of medications. The association between area of residence and medication or polypharmacy was adjusted for confounders using Poisson regression with robust variance. Prevalence rates for use of medication and polypharmacy were higher among older persons living in the urban area. Living in the urban area was positively and independently associated with use of medication (PR = 1.10; 95%CI: 1.02-1.20) and polypharmacy (PR = 1.83; 95%CI: 1.27-2.65) in this group of elderly in southern Brazil.
Keywords : Aged; Drug Utilization; Health Services Accessibility; Rural Health.