Abstract
The extent and factors that influence drug use were studied in two rural cohorts of Finnish men. The men aged between 65 and 84 years belonged to the Finnish study population of the 25-year follow-up of the 'Seven Countries Study'. Of the original 1,711 men in 1959, 766 were still alive in 1984. The participation rate in the follow-up was 93%. Of the non-institutionalized men (n = 675), 66% had used prescription drugs, and 36% non-prescription drugs, while 25% had not used any drugs during the week preceding the study. The number of drugs in use was highly dependent on the time period covered in the assessment. The number of prescribed drugs was associated with the number of symptoms experienced (P less than 0.001) and the use of OTC-drugs (P less than 0.05). Drug use was not associated with socio-economic variables. Standardized measurement methods are needed in the assessment of drug use to obtain more reliable and comparable results in different populations.
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